In recent years, an increasing number of customers have requested options to extend retention in Microsoft Defender XDR beyond the default 30 days at a low cost, all with the requirement of having the KQL experience available. Blog information: Feature is... Het bericht How to store Defender XDR data for years in Sentinel data lake without expensive ingestion cost verscheen eerst op Jeffrey Appel - Microsoft Security blog.| Jeffrey Appel – Microsoft Security blog
Microsoft released the new Microsoft Sentinel data lake in public preview this month. With the data lake feature, it is possible to scale and store data more easily for less cost. The new Microsoft Sentinel data lake is a new...| Jeffrey Appel - Microsoft Security blog
Microsoft Defender XDR includes a powerful response capability with the name Attack Disruption. As part of the Defender XDR solution attack disruption capabilities can protect the environment against sophisticated, high-impact attacks. Attack Disruption works automatically; however, it still needs manual...| Jeffrey Appel - Microsoft Security blog
Since August 2024 there has been a sophisticated phishing campaign actively leveraging the device code authorization flow. Currently, there is a wide range of attacks targeting a wide range of sectors including government/ IT services and critical industries. The attack... Het bericht How to protect against Device Code Flow abuse (Storm-2372 attacks) and block the authentication flow verscheen eerst op Jeffrey Appel - Microsoft Security blog.| Jeffrey Appel – Microsoft Security blog
OAuth apps are still an important target for attackers to misuse in organizations. Since the MFA baseline is improved with number matching and additional controls attackers are finding new ways to gain access to environments/ and collect data. One of...| Jeffrey Appel - Microsoft Security blog
When using Defender for Endpoint it is important to make sure the agent are healthy. I performed many reviews/ configurations in the past years and onboarded around a million devices to Defender for Endpoint for small and larger “enterprise” customers....| Jeffrey Appel - Microsoft Security blog
Microsoft Copilot for Security is a new tool based on AI, it takes signals from various sources to use the data as additional input and research layer. Microsoft Copilot for Security is integrated into a specialized language model that includes...| Jeffrey Appel - Microsoft Security blog
Microsoft announced last year a new feature with the name; Automatic Attack Disruption in Defender XDR (Microsoft 365 Defender). Since October last year, Microsoft expanded the Automatic attack disruption feature with the support of human-operated attacks and the ability of...| Jeffrey Appel - Microsoft Security blog
Recently threat actors like Midnight Blizzard use the OAuth applications in tenants that they can misuse for malicious activity. Actors use compromised user accounts to create/ modify and grant permissions to OAuth applications in tenants and move across test and...| Jeffrey Appel - Microsoft Security blog
Microsoft Defender XDR is expanding in the full attack stage. With the new Deception capability in Microsoft Defender XDR, it is possible to detect attackers early in the kill chain and disrupt advanced attacks. Deception is a new feature for...| Jeffrey Appel - Microsoft Security blog
Last year Microsoft announced a new feature called; Automatic attack disruption which uses correlated insights from the Microsoft 365 ecosystem and powerful AI models to stop sophisticated attack techniques while the attack is in progress. Automatic attack disruption supports the...| Jeffrey Appel - Microsoft Security blog