IT Security Weekend Catch Up – September 21, 2025

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21.09.2025 | 14:40

IT Security Weekend Catch Up – September 21, 2025
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IT Security Weekend Catch Up – September 21, 2025

Afraid of missing important security news during the week? We're here to help! Every week we put together a curated list of all important security news in one place, for your reading pleasure. Enjoy!

For the less technical

  1. The window for combating AI propaganda is closing
  2. Crossing NATO lines: Tracing the GRU’s explosive parcel bombs
  3. How Russia’s GRU plotted Europe’s parcel explosions
  4. European airports snarled by cyberattack, disruption to stretch into Sunday
  5. SonicWall warns customers to reset credentials after breach
  6. BreachForums hacking forum admin resentenced to three years in prison
  7. Two charged for TfL cyber attack
  8. Proton Mail suspended journalist accounts at request of cybersecurity agency
  9. Software update shoves ads onto Samsung’s pricey fridges

For the more technical

  1. Breaking Hardened Runtime: The 0-day Microsoft delivered to macOS
  2. Popular tinycolor npm package compromised in supply chain attack affecting 40+ packages
  3. S1ngularity/nx attackers strike again
  4. Self-replicating Shai-hulud worm spreads token-stealing malware on npm
  5. Introducing HybridPetya: Petya/NotPetya copycat with UEFI Secure Boot bypass
  6. Phoenix: Rowhammer attacks on DDR5 with self-correcting synchronization
  7. Vibe reverse engineering
  8. SlopAds covers fraud with layers of obfuscation
  9. SystemBC – Bringing the noise
  10. Microsoft seizes 338 websites to disrupt rapidly growing ‘RaccoonO365’ phishing service
  11. Cloudflare participates in global operation to disrupt RaccoonO365
  12. Geedge & MESA leak: Analyzing the Great Firewall’s largest document leak
  13. How an attacker’s blunder gave us a rare look inside their day-to-day operations
  14. CountLoader: Silent push discovers new malware loader being served in 3 different versions
  15. From El Dorado to BlackLock: Inside a fast-rising RaaS threat
  16. Introduction to Raven Stealer
  17. WhiteCobra's playbook exposed: Critical mistake reveals 24-extension campaign targeting VS Code and Cursor
  18. The most powerful ever? Inside the 11.5Tbps-scale mega botnet AISURU

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Afraid of missing important security news during the week? We’re here to help! Every week we put together a curated list of all important security news in one place, for your reading pleasure. Enjoy! For the less technical The window for combating AI propaganda is closing Crossing NATO lines: Tracing the GRU’s explosiv 2025-09-21T14:40:53+02:00

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