Quick nod to the brilliant folks at @nicter_jp@bird.makeup and @xlab_qax@bird.makeup: their latest research shows #Eleven11bot is really the next #Rapperbot evolution, leveraging a brand‑new device family. Teamwork in action 👉 https://blog.nicter.jp/2025/06/rapperbot_2025_2g/ | https://blog.xlab.qianxin.com/rapperbot-en/| infosec.exchange
Linux kernel quiz: Why is this program so slow and takes around 50ms to run? What line do you have to add to make it run in ~3ms instead without interfering with what this program does? ``` user@debian12:~/test$ cat > slow.c #include #include #include #include static void open_sockets(void) { for (int i=0; i<256; i++) { int sock = socket(AF_INET, SOCK_STREAM, 0); if (sock == -1) err(1, "socket"); } } static void *thread_fn(void *dummy) { open_sockets(); return NULL; } int main(void) { pth...| infosec.exchange
@chris_kirsch @dangoodin since we’re starting to wind down, I’ll come clean: it me. Also to offer some reassurance: this was built with two purposes - to remind people to *really shut off* Bluetooth (I.e. not from control center) and to have a laugh. There’s no data collected, it’s just sending out BLE advertisement packets that don’t require pairing (and as such aren’t stopped by the control center toggle). Hoping by next DC to have it working with the new iOS17 “NameDrop” fe...| infosec.exchange
200 Posts, 6 Following, 95 Followers · Security Professional, Cyber Intelligence Principal @Netskope, Creator of the Cyber Attacks Timelines @ http://hackmageddon.com. Posts are my own!| Infosec Exchange
4.83K Posts, 1.13K Following, 14.9K Followers · Reporter covering security at Ars Technica. DM me on Signal: DanArs.82.| Infosec Exchange
Attached: 1 image I boosted several posts about this already, but since people keep asking if I've seen it.... MITRE has announced that its funding for the Common Vulnerabilities and Exposures (CVE) program and related programs, including the Common Weakness Enumeration Program, will expire on April 16. The CVE database is critical for anyone doing vulnerability management or security research, and for a whole lot of other uses. There isn't really anyone else left who does this, and it's typi...| Infosec Exchange
2 Posts, 384 Following, 320 Followers · Maker, breaker and fixer of software. Adventures in #appsec and #agile: beny23.github.io he/him| Infosec Exchange
1.02K Posts, 54 Following, 21.1K Followers · Creator of @haveibeenpwned@infosec.exchange. Microsoft Regional Director and MVP. Pluralsight author. Online security, technology and “The Cloud”. Australian.| Infosec Exchange
1.3K Posts, 278 Following, 480 Followers · Tech, banjo, guitar, outdoors #ReverseEngineering #DFIR #ThreatIntel| Infosec Exchange
52 Posts, 5 Following, 8 Followers · #OWASP Saitama Chapterの公式アカウントです。サイバーセキュリティ / さいたま・春日部 / コミュニティ / 勉強会| Infosec Exchange