THE “PERFECT” MAGECART ATTACK: FAKE STRIPE FORM WITH ZERO EXTERNAL FOOTPRINT August 26, 2025 The Source Defense Research Team has observed a rare and highly sophisticated Magecart attack that leaves almost no external trace. A hacker gained access to the merchant’s server and injected a first-party inline JavaScript designed to seamlessly replace the legitimate Stripe The post The “perfect” Magecart attack: fake stripe form with zero external footprint appeared first on Source Defense.| Source Defense
MAGECART ATTACK VIA 1X1 SVG & WEBSOCKETS August 12, 2025 The Source Defense Research Team has uncovered a new Magecart campaign impacting over 50 e-commerce websites, most located in Europe. This highly evasive attack uses an unusual loader — a fake 1×1 pixel SVG (Scalable Vector Graphics) file — to bypass traditional detection methods and deliver its malicious The post Magecart attack via 1X1 SVG & websockets appeared first on Source Defense.| Source Defense
WHEN A PNG ISN’T A PNG; NEW MAGECART SKIMMER DISCOVERED August 5, 2025 The Source Defense Research Team has uncovered a new Magecart campaign. Instead of using a traditional script, the attackers deliver malicious code disguised as a PNG image file. While appearing harmless, the file actually contains base64‑encoded JavaScript that silently harvests payment card The post When a PNG Isn’t a PNG: New Magecart Skimmer Discovered appeared first on Source Defense.| Source Defense
When one magecart attack isn’t enough; three attacks, one website July 29, 2025 The Source Defense Research Team has uncovered a rare and dangerous scenario: Three distinct Magecart campaigns attacking the same Australian e-commerce website at the same time. This finding underscores a troubling trend: once a website is compromised, it can become a battleground The post When one magecart attack isn’t enough; three attacks, one website appeared first on Source Defense.| Source Defense
Magecart Repurposes Legitimate Brazilian Sites for C2 July 22, 2025 MAGECART REPURPOSES LEGITIMATE BRAZILIAN SITES FOR C2 The Source Defense Research Team has uncovered a covert Magecart campaign targeting Brazilian e-commerce sites. This attack demonstrates how legitimate websites can be hijacked to serve as Command and Control (C2) servers, becoming unwitting hubs for digital skimming The post Magecart Repurposes Legitimate Brazilian Sites for C2 appeared first on Source Defense.| Source Defense
When Your Trusted Vendor Becomes the Threat July 15, 2025 A major Magecart attack is silently unfolding across the UK’s fast-food sector—and the root cause is a trusted vendor. The Source Defense Research Team has uncovered a widespread skimming campaign affecting over 65 fast-food websites developed by a popular online food ordering platform, a UK-based The post When Your Trusted Vendor Becomes the Threat appeared first on Source Defense.| Source Defense
NEW MAGECART ATTACK: SILENT SKIMMING AND WEBSOCKETS July 8, 2025 A newly discovered Magecart campaign is raising the bar on stealth—executing a silent skimming attack that evades conventional detection mechanisms by abusing first-party code and WebSocket channels. Attack details A trusted first-party script establishes a WebSocket connection to clicktrack01[.]com, which delivers the Magecart JavaScript payload. The post New Magecart Attack: Silent Skimming and WebSockets appeared first on...| Source Defense
ONGOING MAGECART VARIANT HIDES MALICIOUS CODE IN BROKEN IMAGE TAGS July 1, 2025 Our research team at Source Defense has uncovered a stealthy Magecart-style attack targeting dozens of e-commerce websites worldwide across various industries. This novel technique hides malicious JavaScript inside a Base64-encoded payload embedded in an image tag — making detection and mitigation significantly The post Ongoing Magecart variant hides malicious code in broken image tags appeared first on Source D...| Source Defense
RELYING ON EXTERNAL PAYMENT PROVIDERS IS NOT ENOUGH; HUNDREDS OF SUCH SITES ARE UNDER ATTACK June 24, 2025 Many eCommerces assume they’re safe since they don’t collect payment data; instead users are redirected to trusted providers like Stripe, PayPal and others. An active CosmicSting Magecart variant proves that belief dangerously false. The Source Defense Research Team The post Relying on external payment providers is not enough; hundreds of such sites are under attack appeared fir...| Source Defense
RARE AND DANGEROUS MAGECART ATTACK: GTM CODE ITSELF COMPROMISED June 17, 2025 The Source Defense Research Team has uncovered a rare and deeply alarming development in Magecart-style attacks — one that redefines how threat actors are abusing trusted web infrastructure. In contrast to previously documented GTM-based attacks, where Google Tag Manager (GTM) was used to load malicious JavaScript hosted The post Rare and dangerous Magecart attack: GTM code itself compromised appeared first on...| Source Defense
DOUBLE-ENCODED MAGECART ATTACK HIDES BEHIND LEGITIMATE DOMAIN, IMPACTS OVER 1K WEBSITES June 10, 2025 First-party script encodes stolen payment data twice, routes it through a trusted Czech eCommerce site The Source Defense Research Team has uncovered a sophisticated Magecart campaign that has compromised over 1,000 eCommerce websites worldwide. This attack is notable for its use of The post Double-encoded Magecart attack hides behind legitimate domain appeared first on Source Defense.| Source Defense
MAGECART RETURNS: THREAT ACTORS REBRAND GTM-HIDING ATTACKS June 3, 2025 The Source Defense Research Team has observed an infrastructure shift in a persistent Magecart campaign. The attackers have reactivated a previously dormant domain—jqueri[.]at—continuing their established strategy of hiding malicious scripts behind Google Tag Manager (GTM) containers. This move is part of an ongoing effort to stay ahead The post Magecart returns: threat actors rebrand GTM-hiding attacks appeared fir...| Source Defense
SOPHISTICATED WEBSOCKET ATTACK LEVERAGING BROKEN IMAGES AND SELF-REMOVING JAVASCRIPT May 27, 2025 The Source Defense Research team has uncovered a highly sophisticated client-side attack employing advanced evasion techniques. This latest campaign leverages broken <img> elements — specifically using their onerror event — to automatically execute obfuscated JavaScript when an image fails to load. Because the The post Sophisticated WebSocket attack leveraging broken images and self-removing ...| Source Defense
ATTACKERS STRIKE UNPROTECTED SITES – BECAUSE CLEANUP ALONE IS NOT ENOUGH May 20, 2025 The Source Defense Research team has identified a troubling pattern: attackers are returning to previously compromised sites—this time leveraging a brand-new domain, css.telechargent[.]com, that was still clean on VirusTotal and other blacklists at the time of detection. Because this domain had no The post Attackers strike unprotected sites – because cleanup alone is not enough appeared first on Sourc...| Source Defense
ATTACKERS MASK VARYING MALICIOUS SCRIPTS BEHIND ROTATING TRUSTED DOMAINS May 13, 2025 A newly observed global campaign is exploiting the trust users and security tools place in legitimate websites. In this silent skimming attack, malicious scripts are loaded from previously trusted domains—specifically compromised e-commerce sites—and steal PCI and PII data without raising immediate suspicion. Source Defense research has The post Attackers mask varying malicious scripts behind rotating...| Source Defense
NEXT LEVEL ATTACK: SEVERAL GTMS WORKING IN SYNC, CSS AND DOM EXPLOITED May 6, 2025 A sophisticated attack leveraging coordinated Google Tag Managers, CSS obfuscation, and DOM-based execution to deploy counterfeit payment forms and exfiltrate data via WebSocket The Source Defense Research Intelligence team has uncovered a sophisticated cyberattack targeting e-commerce websites globally. While prior The post Next level attack: Several GTMs working in sync, CSS and DOM exploited appeared first o...| Source Defense
DOUBLE-ENTRY ATTACK WITH CONVINCING FAKE FORMS TRIGGERED FROM NON-SENSITIVE WEBPAGES April 29, 2025 Recent attack exploits unprotected, non-sensitive webpages to deploy customized fake payment form per site Attackers are continuously evolving their methods to steal credit card data without detection. In this case, we’ve identified a custom-made attack that deploys a fake payment form tailored The post Double-entry attack with convincing fake forms triggered from non-sensitive webpages appea...| Source Defense
MULTIPLE WEBSITES BREACHED THROUGH COMPROMISED HOSTING SERVICE April 22, 2025 A new attack has been disclosed, hidden within a known and trusted source—effectively bypassing solutions that rely on Content Security Policy (CSP), where such sources are typically whitelisted. The Source Defense Research Team has uncovered another sophisticated breach affecting numerous websites, including UK-based restaurant websites The post Multiple websites breached throuh compromised hosting service app...| Source Defense
LOCALIZED DOUBLE-ENTRY ATTACK AFFECTS HUNDREDS OF WEBSITES VIA DOZENS OF MALICIOUS DOMAINS April 15, 2025 LOCALIZED DOUBLE-ENTRY ATTACK AFFECTS HUNDREDS OF WEBSITES VIA DOZENS OF MALICIOUS DOMAINS Client-side attacks usually rely on a few malicious domains, but this one targets about ten times more sites using a double-entry method tailored to each site. The The post Localized double-entry attack affects 100’s of websites via dozens of malicious domains appeared first on Source Defense.| Source Defense
TRENDING: ATTACKS VIA NESTED GTM SCRIPTS April 8, 2025 While the compromise of individual Google Tag Manager (GTM) containers is a known tactic, the emergence of multi-level GTM container chains makes these attacks even more difficult to detect. Over the past six months—including as recently as last week—Source Defense has identified a new and concerning The post Trending: Attacks via nested GTM scripts appeared first on Source Defense.| Source Defense
APRIL FOOLS PRANK? ATTACKER HIDES BEHIND “HARMLESS” THANK YOU PAGE & COOKIES April 1, 2025 The Source Defense research team has uncovered a novel attack technique that cleverly disguises malicious activity. In this method, attackers compromise a first-party script to stealthily copy payment details into commonly used cookies—a process typically regarded as trustworthy especially when The post Attacker hides behind “harmless” thank you page & cookies appeared first on Source Defense.| Source Defense
THIRD PARTY SERVICE IDOSTREAM[.]COM COMPRIMISED; ATTACK VIA SOCIAL ENGINEERING March 25, 2025 As recently reported in the media, over a hundred auto dealerships worldwide were compromised by this malicious script, which generated a ClickFix webpage leading to the installation of SectopRAT malware. ClickFix is a social engineering tactic where cybercriminals deceive users into copying and The post 3rd party service IDOSTREAM[.]COM comprimised appeared first on Source Defense.| Source Defense
LIVE ATTACK HIDING BEHIND GOOGLE APPS March 18, 2025 Content Security Policy (CSP) and similar solutions allow scripts from “trusted” sources to run freely; but what happens when these sources are compromised? The Source Defense Research Team discovered yet another sophisticated attack that has been active for about a year; this time exploiting Google’s trusted The post Live attack hiding behind Google apps appeared first on Source Defense.| Source Defense
MAGECART AS A NATIONAL SECURITY ISSUE March 11, 2025 Magecart targets NYC Police Department and Federal Bureau of Prisons employees via merchants selling uniforms Governments invest heavily in security, but what happens when hackers exploit the private industry that serves government agencies? The Source Defense Research Team discovered an alarming attack—not only stealing credit card The post Magecart as a national security issue appeared first on Source Defense.| Source Defense
Welcome to the first edition of the Source Defense Research Intelligence News, where we share the latest attack findings from our research team—keeping you informed and protected against emerging threats. NEW THREAT: ABUSE OF STRIPE’S DEPRECATED API March 4, 2025 Sophisticated campaign conceals skimming from cybercrime researchers At Source Defense, we have uncovered a novel| Source Defense
A 30-Day Action Planfor 6.4.3 and 11.6.1 Zero to Compliance: The Source Defense Method Don’t Wait – Get Moving Now on eSkimming Security! There are more than 50 new requirements in PCI DSS 4.0. That’s a lot to worry about and a lot to get ready for in just a short period of time. Realistically, with an impending Q4| Source Defense
Source Defense has officially joined the PCI Security Standards Council’s Board of Advisors for the 2025 to 2027 term.| Source Defense
To shed light on the risks introduced through this critical digital supply chain, we scanned the top 4,300 websites by traffic worldwide and analyzed the data to provide answers to important questions. The post eSkimming Security: Behavior-Based vs CSP vs SRI: Which is More Effective? appeared first on Source Defense.| Source Defense
To shed light on the risks introduced through this critical digital supply chain, we scanned the top 4,300 websites by traffic worldwide and analyzed the data to provide answers to important questions. The post Turn PCI DSS 4.0.1 Compliance into a Competitive Advantage appeared first on Source Defense.| Source Defense
by Source Defense Even with the PCI DSS 4.0 deadline now behind us, many organizations are still exposed to costly eSkimming threats and compliance gaps. Source Defense recently hosted a webinar to explore how compliance actually drives better business outcomes – as seen through the lens of the positive bottom line impacts of implementing PCI The post eSkimming Security – Driving Bottom Line Results through Fraud Reduction and Revenue Maximization appeared first on Source Defense.| Source Defense
by Source Defense Don’t Trust Your Online Revenue Channel to Sub-par Solutions for eSkimming Security (Beware the big box “me too” solutions) As PCI DSS 4.0.1 enforcement has driven demand for eSkimming security and compliance controls (also known as client-side protection), several big-box CDN and “swiss army knife” security vendors have rushed to capitalize – The post Revenue Risk Hidden in Fly by Night New eSkimming Tools appeared first on Source Defense.| Source Defense
by Source Defense The Source Defense Research team has uncovered another active eSkimming campaign which demonstrates the use of novel techniques, and an increasing adversarial focus on attacking websites with techniques that bypass eSkimming security controls which focus solely on protecting payment pages. This indicates an evolution on the part of our adversaries in terms The post New Breed of Magecart: GTMs Working Together, JavaScript Hidden in CSS appeared first on Source Defense.| Source Defense
by Source Defense On a recent Source Defense roundtable, seasoned QSAs gathered to discuss the latest PCI DSS 4.0.1 updates—specifically requirements 6.4.3 and 11.6.1—and how organizations should respond. What followed was a frank, practical, and sometimes surprising conversation about merchant eligibility, the limits of iframe protection, and what compliance now looks like in an eSkimming-threatened The post What QSAs Are Saying About PCI DSS 4.0.1 and eSkimming Controls appeared first o...| Source Defense
by Source Defense A recent incident at Blue Shield of California highlights the critical importance of client-side security controls when implementing third-party scripts on healthcare websites. The nonprofit health plan has disclosed a significant data breach affecting 4.7 million members, stemming from a misconfiguration of Google Analytics on their web properties between April 2021 and The post Client-Side Security Breach Alert: Blue Shield of California Exposes 4.7 Million Members’ Heal...| Source Defense
Source Defense Research Blog | April 23, 2025 A Familiar Threat Resurfaces in the UK Our Source Defense Research team has uncovered an active Magecart-style eSkimming attack targeting a major UK-based online homeware retailer among a list of others. This campaign employs the same technique we observed earlier this year on another UK site, and The post New Magecart Variant Targets UK Retailer in Stealthy Double-Entry Attack appeared first on Source Defense.| Source Defense
by Source Defense A newly discovered payment card skimming campaign has emerged exhibiting a concerning level of sophistication and leveraging unique tactics that make detection highly challenging. The attack, identified by Source Defense researchers, employs an innovative technique that exploits Stripe’s deprecated API to verify card details before exfiltration – ensuring that only valid payment The post Sophisticated Payment Card Skimming Campaign Conceals Itself by Leveraging Stripe AP...| Source Defense
The post [Recording] Rapid eSkimming Security and Compliance appeared first on Source Defense.| Source Defense
The post [Recording] Last Minute Change to SAQ-A for Qualified Security Assessors (QSAs) appeared first on Source Defense.| Source Defense
The post [Recording] Last Minute Change to SAQ-A appeared first on Source Defense.| Source Defense
by Source Defense The PCI Council’s recent update to SAQ-A merchant requirements will spark questions and confusion across the eCommerce ecosystem. Under the changes, SAQ-A merchants will no longer have to specifically follow requirements 6.4.3 and 11.6.1 – but in order TO BE SAQ-A eligible, they must still have eSkimming security solutions in place. A The post Next Steps from the PCI Council’s SAQ-A Update: Critical Responsibilities and Opportunities for PSPs appeared first on Source D...| Source Defense
by Source Defense The PCI Security Standards Council’s recent update to SAQ-A merchant eligibility and compliance requirements introduces significant changes with just weeks to go before the March 31st deadline for 6.4.3 and 11.6.1…shocker. The TL:DR? Under the changes, SAQ-A merchants will no longer have to specifically follow requirements 6.4.3 and 11.6.1 – but they The post Assessing the New SAQ-A Changes: Insights for QSAs appeared first on Source Defense.| Source Defense
by Source Defense Implications to 6.4.3 and 11.6.1 and What It Means for PSPs, Merchants, and QSAs. On January 30, 2025 the PCI Security Standards Council announced changes to eligibility requirements for any merchant trying to demonstrate compliance under a SAQ-A. Under the changes, SAQ-A merchants will no longer have to specifically follow requirements 6.4.3 The post Cheat Sheet and Action Plan: The PCI Council’s SAQ-A Eligibility Update appeared first on Source Defense.| Source Defense
by Source Defense Ensuring compliance with PCI DSS 4.0, specifically requirements 6.4.3 and 11.6.1, is not just about meeting regulations—it’s about securing your customers’ trust and protecting your brand from emerging threats like Magecart and eSkimming. Achieving this requires more than just technology; it requires a trusted partner who can navigate the complexities of compliance. The post Finding the Right Partner for PCI DSS 4.0.1 Compliance: Requirements 6.4.3 and 11.6.1 appeared ...| Source Defense
by Source Defense In 2024, Magecart attacks reached new levels of sophistication, targeting thousands of e-commerce websites worldwide. At Source Defense Research, we tracked dozens of campaigns leveraging advanced techniques, from exploiting Google Tag Manager to innovative uses of WebSockets and payment form forgeries. These attacks highlight the adaptability of attackers in the face of The post Unveiling 2024’s Attack Trends: Insights from Source Defense Research appeared first on Source...| Source Defense
by Source Defense A sophisticated attack chain targeting e-commerce payment flows has been prematurely exposed in a concerning development, highlighting the delicate balance between responsible disclosure and public safety. Discovered initially by Source Defense’s research team and responsibly disclosed to Google on November 19, 2024 (Issue ID: 379818473), this critical vulnerability has now been publicly The post CRITICAL ALERT: Sophisticated Google Domain Exploitation Chain Unleashed appe...| Source Defense
The post [Recording] The Rise & Risk of Third-Party Scripts in Modern Websites appeared first on Source Defense.| Source Defense
by Source Defense A new report by Recorded Future’s Insikt Group reveals a concerning rise in Magecart attacks and e-skimming activity targeting online retailers. The research highlights how cybercriminals are evolving their tactics to bypass traditional, rather antiquated client-side security measures such as Content Security Policy (CSP) and compromise e-commerce platforms at an alarming rate. The post Magecart Attacks Surge as E-Commerce Security Struggles to Keep Pace appeared first on ...| Source Defense
The Oregon Zoo's recent data breach serves as a stark reminder of the urgent need for robust cybersecurity measures in today's digital landscape. With over 117,000 payment card details potentially compromised, this incident underscores the vulnerabilities that organizations face when it comes to eSkimming (client-side) attacks and PCI DSS compliance. The post Oregon Zoo Data Breach Exposes Payment Card Information appeared first on Source Defense.| Source Defense
In the rapidly evolving world of e-commerce, security remains a top priority. As part of our ongoing commitment to safeguarding our clients, we are bringing an important update to your attention regarding Adobe Commerce (Magento). This update underscores the urgent need to take immediate action when it comes to protecting your customers’ data. It is the second time in as many weeks that a widespread client-side attack has been disclosed - providing support for the decision by the PCI Counci...| Source Defense
With the introduction of PCI DSS 4.0, merchants are now grappling with new requirements that aim to enhance the security of cardholder data. At a recent roundtable hosted by Source Defense, industry veterans gathered to dissect these changes and their implications for businesses of all sizes. The post Polyfill – Additional Analysis and Discovery: Signs of PII and Credential Harvesting, Broad Exposure through Digital Supply Chain appeared first on Source Defense.| Source Defense
Don't Wait - Get Moving Now on eSkimming Security! There are more than 50 new requirements in PCI DSS 4.0. That's a lot to worry about and a lot to get ready for in just a short period of time. Realistically, with an impending Q4 code-freeze, you have the next six months to tackle it all. The post [Recording] A 90 Day Action Plan for 6.4.3 and 11.6.1 appeared first on Source Defense.| Source Defense
Join us for a webinar that will dig into CoalFire's thoughts and answer the questions you have! We'll dig deep into the requirements found in 6.4.3 and 11.6.1. We'll look at CoalFire's view on what is really in scope. The post [Recording] Go With The Payment Flow appeared first on Source Defense.| Source Defense
Join us for this informative discussion around strict new requirements for PCI DSS Compliance. We'll examine the changes outlined in 6.4.3 and 11.6.1. You’ll leave with an actionable timeline and guidance for success that will ensure readiness and successful compliance before the looming deadline. The post [Recording] Understanding PCI DSS 4.0 in Higher Education appeared first on Source Defense.| Source Defense
Last week Source Defense gathered hundreds of the world’s largest merchants, Payment Service Providers, QSACs and Card Associations to hear from a prominent group of leading thinkers in compliance and data security standards to talk about the upcoming deadline and changes to PCI DSS 4.0. The post The PCI Dream Team Discusses PCI DSS 4.0 and Payment Page Security appeared first on Source Defense.| Source Defense
Source Defense gathered hundreds of the world’s largest merchants, Payment Service Providers, QSACs and Card Associations to hear from a prominent group of leading thinkers in compliance and data security standards to deliberate the forthcoming tides of transformation encapsulated in PCI DSS version 4.0.. The post [Recording] PCI Dream Team Roundtable appeared first on Source Defense.| Source Defense
eSkimming is a growing threat to businesses of all sizes. This type of attack involves injecting malicious code into a website to steal credit card data as it is entered by customers. eSkimming attacks can be difficult to detect and prevent, but there are a number of steps that businesses can take to protect themselves. The post [Recording] Kick Starting PCI DSS 4.0 appeared first on Source Defense.| Source Defense
eSkimming is a growing threat to businesses of all sizes. This type of attack involves injecting malicious code into a website to steal credit card data as it is entered by customers. eSkimming attacks can be difficult to detect and prevent, but there are a number of steps that businesses can take to protect themselves. The post [Recording] Cyber Academy Learning Session 1 of 3 appeared first on Source Defense.| Source Defense
Led by Matt McGuirk, Source Defense Solution Architect and client-side subject matter expert, this engaging roundtable discussion will feature expert compliance professionals shedding light on what these new requirements mean, their practical implications, and the actionable steps to address them effectively. The post [Recording] QSA Roundtable – Merchant FAQs about 6.4.3 and 11.6.1 appeared first on Source Defense.| Source Defense
A notorious Chinese-speaking threat actor, known for skimming credit card numbers off e-commerce sites and point-of-sale service providers across Asia/Pacific, has expanded its target scope to North and Latin America. The post Silent Skimmer: The Rising Threat in Card-Skimming Attacks appeared first on Source Defense.| Source Defense
Learn about the recent discovery of a sophisticated series of Magecart attacks by the Source Defense research team and how cybercriminals are targeting online payment data. Discover attack vectors and potential prevention strategies to protect your business from similar threats. The post Source Defense Research Uncovers a Series of Sophisticated Magecart Attacks appeared first on Source Defense.| Source Defense
In 2022, a staggering 60 million payment card records were put up for sale on the dark web. Of these, 45.6 million were obtained through card-not-present transactions, meaning they were stolen during online purchases. The post How to Stop Magecart Attacks and Save Your Business appeared first on Source Defense.| Source Defense
Nearly 75% of fraud and data breach cases involve eCommerce and retail merchants, according to the latest Visa Biannual Threats Report. Digital skimming attacks targeting eCommerce platforms and third-party code integrations are common. The post Protecting eCommerce & Retail Sites from Client-Side Attacks appeared first on Source Defense.| Source Defense
The theft of payment card data from retail organizations is on the rise, with 18 percent of breaches attributable to Magecart attacks, according to Verizon's 2023 Data Breach Investigations Report (DBIR) released June 6. The post Latest Verizon Data Breach Report: Retail is an Easy Target for Web Application Attacks appeared first on Source Defense.| Source Defense
Source Defense announced the release of Source Defense 3.0. The release expands the Source Defense Platform to include an external monitoring, detection and alerting offering (Source Defense Detect), making the company the only in market to offer both detection and protection-based (Source Defense Protect) solutions for client-side attacks and data privacy violations. The post Source Defense Expands Client-Side Security and Data Privacy Solutions with Release of Platform Version 3.0. appeared...| Source Defense
Almost all eCommerce websites leverage a dozen or more 3rd and 4th party digital supply chain partners that are beyond the reach of their security and compliance teams. Every day, that digital partner ecosystem puts eCommerce organizations at risk of both data leakage and data theft. The post Protecting eCommerce & Retail Sites from Client-Side Attacks appeared first on Source Defense.| Source Defense
Cybersecurity and Fraud Prevention industry veteran brings more than 20 years of leadership experience to fuel company’s growth, expand its community focus and continue innovation as a pioneer in website security and data privacy compliance. The post Source Defense Appoints Ross Hogan as Chief Executive Officer appeared first on Source Defense.| Source Defense
The Kritec skimmer operates by intercepting the checkout process during online purchases. After a customer enters their payment details, the skimmer simulates a fake payment dialog, giving the impression that the payment has been processed. It then displays a fake error message, redirecting the victim to the actual payment page. During this process, the skimmer steals the customer's payment card details. The post Magecart/eSkimming Attack Using Kritec Skimmer Creates the Perfectly Hijacked Ch...| Source Defense
Digital Skimming and Magecart attacks are the new favorite method of credit card data and PII theft for cyber criminals. Stopping these attacks will require a new way of thinking for eCommerce, Security and Compliance teams. A solution to the problem is easy, cost-effective, rapid, and comes without adding additional workloads to already overworked teams. The post [Recording] PCI DSS 4.0 – Close the eSkimming Gap appeared first on Source Defense.| Source Defense
Retail stores often have visible security measures in place, such as security cameras and personnel monitoring. However, online stores have a security gap as they are vulnerable to cyberattacks, data breaches, and fraud. This security gap poses a significant challenge to e-commerce companies and requires robust cybersecurity measures to ensure customer data and financial transactions are secure. The post In-Store Versus Online: How Well Do You Know Your Security? appeared first on Source Defe...| Source Defense
Digital Skimming attacks are on the rise and the vast majority of eCommerce sites are exposed. 75% of all breaches Visa investigated last year involved eCommerce sites - with digital skimming attacks the top of the list. The bad news is that the partners you trust to power the customer experience are inadvertently opening the door to these attacks - exposing your customers to credit card fraud and identity theft. The post Digital Skimming Infographic appeared first on Source Defense.| Source Defense
The post Source Defense Explainer appeared first on Source Defense.| Source Defense
An authorized IRS eFile website is the latest victim of a JavaScript attack. eFile.com has become the victim of an attack which originated in a previously innocent JavaScript file. The javascript file, popper.js, was modified to include obfuscated code which redirected the browser to a legitimate looking error page. The post JavaScript: A Taxing Situation appeared first on Source Defense.| Source Defense
A Single Data Breach Could Cost You 20% of Your Customers Security and privacy are as important to your online customers as the products you sell, so much so that 78% of consumers will think twice about doing business with a brand after a data breach. The trouble is that the partners you trust to The post A Single Data Breach Could Cost You 20% of Your Customers appeared first on Source Defense.| Source Defense
BidenCash, which purposely leverages the namesake of U.S. President Joe Biden, has been operating for the past year and has become one of the top carding marketplaces on the dark web. But what makes this latest dump of stolen data significant is the completeness of the dataset. The post Fullz and Cybercrime: Why the BidenCash Data Dump Matters appeared first on Source Defense.| Source Defense
Digital Skimming and Magecart attacks are the new favorite method of credit card data and PII theft for cyber criminals. Stopping these attacks will require a new way of thinking for eCommerce, Security and Compliance teams. A solution to the problem is easy, cost-effective, rapid, and comes without adding additional workloads to already overworked teams. The post [Recording] Digital Skimming: The New Threat to Your Customers and Brand appeared first on Source Defense.| Source Defense
A data breach is one of the worst things that can happen to any eCommerce business. It affects both customers and employees and can have a lasting impact on a company's reputation and financial stability. Data breaches have become a fact of life for organizations across the globe. But what happens after a data breach? The post Retail Data Breaches: What Comes Next? Understanding the Aftermath of a Digital Skimming Attack appeared first on Source Defense.| Source Defense
The Liquor Control Board of Ontario (LCBO), Canada’s largest alcoholic beverage retailer, revealed last week that hackers had injected malicious code into its website to steal customer and credit card data. This represents another in a growing line of disclosures related to Digital Skimming attacks. The post Canada’s Largest Alcohol Retailer Hit by Magecart Attack appeared first on Source Defense.| Source Defense
According to the Annual Payment Fraud Intelligence Report by Recorded Future, nearly 60 million compromised payment card records were posted for sale on dark web platforms in 2022, of which 45.6 million were classified as card-not-present (CNP)—meaning they were harvested during an online eCommerce transaction. The post Magecart E-Skimmer Attacks Targeted Thousands of eCommerce Sites in 2022 appeared first on Source Defense.| Source Defense
A data breach can have significant financial, reputational, and legal implications for any retail or ecommerce business. But these often pale in comparison to the financial, professional, emotional, physical, and mental health ramifications for those customers whose personal data was stolen. The post What Happens to a Customer After a Data Breach? appeared first on Source Defense.| Source Defense
Retail business leaders deal with many risks that threaten their businesses' economic stability and viability. And while physical security measures to protect against things like workplace violence, theft, and in-store fraud are commonplace, most CEOs would be astonished by the amount of material cyber risk that remains on their eCommerce platforms. The post Data Security: Your Ultimate Duty to Your Online Customer appeared first on Source Defense.| Source Defense
Source Defense Named Winner of the Coveted Global InfoSec Awards during RSA Conference 2022 Source Defense Wins Next Gen Web Application Security in 10th Annual Global InfoSec Awards at #RSAC 2022 SAN FRANCISCO (BUSINESSWIRE) JUNE 6, 2022 – Source Defense is proud to announce we have won the following award(s) from Cyber Defense Magazine (CDM),| Source Defense
Source Defense provides an entirely new solution, leveraging a fully automated, machine-learning-assisted set of policies that ensure 3rd party JavaScript integrations operating on your website maximize user experience and eliminate the threat of such integrations being leveraged for malicious website activity.| Source Defense
In a recent attack spotted by the Source Defense Cyber Research team, a compromised first-party script on a payment page stored sensitive data in a cookie named csp_f_y. The exfiltration didn’t happen immediately—it was triggered on the next page load using location.href, slipping past content security policies (CSP) that would have otherwise blocked malicious outbound requests.| Source Defense
Payment Card Industry Data Security Standard PCI DSS v4.0 6.4.3 and 11.6.1 Resources In March 2022, the Payment Card Industry Security Standards Council released a revised version of its Data Security Standard, commonly known as PCI DSS v4.0. In this revised version are two new sections, 6.4.3 and 11.6.1 which offer guidance regarding 3rd, 4th,| Source Defense
A new report by Recorded Future's Insikt Group reveals a concerning rise in Magecart attacks and e-skimming activity targeting online retailers. The research highlights how cybercriminals are evolving their tactics to bypass traditional, rather antiquated client-side security measures such as Content Security Policy (CSP) and compromise e-commerce platforms at an alarming rate.| Source Defense
A new report by Recorded Future's Insikt Group reveals a concerning rise in Magecart attacks and e-skimming activity targeting online retailers. The research highlights how cybercriminals are evolving their tactics to bypass traditional, rather antiquated client-side security measures such as Content Security Policy (CSP) and compromise e-commerce platforms at an alarming rate.| Source Defense
A new report by Recorded Future's Insikt Group reveals a concerning rise in Magecart attacks and e-skimming activity targeting online retailers. The research highlights how cybercriminals are evolving their tactics to bypass traditional, rather antiquated client-side security measures such as Content Security Policy (CSP) and compromise e-commerce platforms at an alarming rate.| Source Defense
by Source Defense The landscape of payment security is at a critical turning point. As we approach the March 31, 2025 PCI compliance deadline for implementing new e-skimming controls, organizations face mounting pressure to address what has become the predominant vector for payment fraud. This isn’t just another compliance checkbox – it represents a fundamental| Source Defense
Payment card security faces new challenges as merchants and service providers prepare for the Payment Card Industry Data Security Standard (PCI DSS) 4.0 requirements on eSkimming prevention. With the March 2025 deadline approaching, organizations must act quickly to implement these new mandates.| Source Defense
With less than four months until the compliance deadline for new eSkimming security controls in PCI DSS, Source Defense, a pioneer in client-side security, hosted a critical roundtable discussion featuring leading Qualified Security Assessors (QSAs). The webinar brought together top industry experts to address requirements 6.4.3 and 11.6.1, which organizations must implement by Q1 2025.| Source Defense
Webinar Replay: eSkimming Security and PCI Compliance Watch the webinar, then CLICK HERE to visit our PCI DSS 4.0 Resource Center Download the CoalFire whitepaper below [Whitepaper] CoalFire Provides Guidance on PCI DSS 6.4.3 and 11.6.1 Guidance from CoalFire on the eSkimming Security requirements found in PCI DSS 4.0. The most talked about and concerning new| Source Defense
Webinar Replay: Understanding PCI DSS 4.0 Watch the webinar, then CLICK HERE to visit our PCI DSS 4.0 Resource Center Download the CoalFire whitepaper below [Whitepaper] CoalFire Provides Guidance on PCI DSS 6.4.3 and 11.6.1 Guidance from CoalFire on the eSkimming Security requirements found in PCI DSS 4.0. The most talked about and concerning new requirements| Source Defense
The Rise and Risk of Third-Party Scripts in Modern Website First of its kind research from the 2024 Verizon Payment Security Report New research from Source Defense included in the 2024 Verizon Payment Security Report sheds light on the ever-growing use of 3 rd party digital supply chain partners in modern website design. It highlights the risks| Source Defense
Webinar Replay: Community Enablement Watch the webinar, then CLICK HERE to visit our PCI DSS 4.0 Resource Center Download the CoalFire whitepaper below [Whitepaper] CoalFire Provides Guidance on PCI DSS 6.4.3 and 11.6.1 Guidance from CoalFire on the eSkimming Security requirements found in PCI DSS 4.0. The most talked about and concerning new requirements in PCI| Source Defense
With the March 2025 deadline for PCI DSS v4.0 compliance looming, businesses face the challenge of adapting to over 50 new security requirements. Among these, eSkimming protections are crucial for safeguarding online transactions. Time is running out—begin your compliance efforts today to stay ahead of the curve and secure your payment systems.| Source Defense
With the March 2025 PCI DSS 4.0 deadline looming, organizations face new challenges, particularly in securing against eSkimming threats. At a recent Source Defense roundtable, industry experts shared crucial insights on navigating these changes. Learn how to prepare for compliance and protect your organization from emerging client-side security risks.| Source Defense
Source Defense Protect: Behavior Based Application Defense A VikingCloud Technical Solution Review for the Payment Card Industry (PCI) eSkimming Security is Mandated for Compliance Under PCI DSS 4.0! Find Out How Source Defense’s Pioneering Approach to Behavioral Based Defense Can Help You! As the March 2025 deadline for implementing eSkimming security controls in PCI| Source Defense
With the introduction of PCI DSS 4.0, merchants are now grappling with new requirements that aim to enhance the security of cardholder data. At a recent roundtable hosted by Source Defense, industry veterans gathered to dissect these changes and their implications for businesses of all sizes.| Source Defense
Webinar Replay: Community Enablement Watch the webinar, then CLICK HERE to visit our PCI DSS 4.0 Resource Center Download the CoalFire whitepaper below [Whitepaper] CoalFire Provides Guidance on PCI DSS 6.4.3 and 11.6.1 Guidance from CoalFire on the eSkimming Security requirements found in PCI DSS 4.0. The most talked about and concerning new requirements in PCI| Source Defense
CoalFire Provides Guidance on PCI DSS 6.4.3 and 11.6.1 A Holistic Approach to Protecting Credit Card Payment Flows Guidance from CoalFire on the eSkimming Security requirements found in PCI DSS 4.0 The most talked about and concerning new requirements in PCI DSS 4.0 fall under sections 6.4.3 and 11.6.1. For the first time, merchants are| Source Defense