📰 DAILY THREAT BRIEFING
Tuesday, April 7, 2026
12 News Items
HN · BleepingComputer · Krebs · Dark Reading · SANS · THN Intel · Unit 42 · Security.com

📰 Cybersecurity News Headlines

Top stories from leading cybersecurity publications as of April 7, 2026.

  1. German authorities identify REvil and GangCrab ransomware bosses
    — Bleeping Computer

    The Federal Police in Germany (BKA) has identified two Russian nationals as the leaders of GandCrab and REvil ransomware operations between…
  2. Understanding Current Threats to Kubernetes Environments
    — Unit 42

    Unit 42 uncovers escalating Kubernetes attacks, detailing how threat actors exploit identities and critical vulnerabilities to compromise cl…
  3. New GPUBreach attack enables system takeover via GPU rowhammer
    — Bleeping Computer

    A new attack, dubbed GPUBreach, can induce Rowhammer bit-flips on GPU GDDR6 memories to escalate privileges and lead to a full system compro…
  4. AI-Assisted Supply Chain Attack Targets GitHub
    — Dark Reading

    PRT-scan is the second in recent months where a threat actor appears to have leveraged AI for automated targeting of a widespread GitHub mis…
  5. Axios Attack Shows Social Complex Engineering Is Industrialized
    — Dark Reading

    The attack on the popular NPM package Axios is just one of many targeting maintainers and has shone a light on how threat actors can scale s…
  6. Fortinet Issues Emergency Patch for FortiClient Zero-Day
    — Dark Reading

    The authentication bypass flaw, tracked as CVE-2026-35616, is the latest in a series of Fortinet vulnerabilities that have been exploited in…
  7. Disgruntled researcher leaks “BlueHammer” Windows zero-day exploit
    — Bleeping Computer

    Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gai…
  8. Iran-Linked Password-Spraying Campaign Targets 300+ Israeli Microsoft 365 Organizations
    — The Hacker News

    An Iran-nexus threat actor is suspected to be behind a password-spraying campaign targeting Microsoft 365 environments in Israel and the U.…
  9. DPRK-Linked Hackers Use GitHub as C2 in Multi-Stage Attacks Targeting South Korea
    — The Hacker News

    Threat actors likely associated with the Democratic People's Republic of Korea (DPRK) have been observed using GitHub as command-and-contro…
  10. Multi-OS Cyberattacks: How SOCs Close a Critical Risk in 3 Steps
    — The Hacker News

    Your attack surface no longer lives on one operating system, and neither do the campaigns targeting it. In enterprise environments, attac…
  11. How often are redirects used in phishing in 2026?, (Mon, Apr 6th)
    — SANS ISC

    In one of his recent diaries, Johannes discussed how open redirects are actively being sought out by threat actors[1], which made me wonder …
  12. Germany Doxes “UNKN,” Head of RU Ransomware Gangs REvil, GandCrab
    — Krebs on Security

    An elusive hacker who went by the handle "UNKN" and ran the early Russian ransomware groups GandCrab and REvil now has a name and a face. Au…

Generated by CryptXNet.ai Threat Intelligence Platform · April 7, 2026 · Sources: The Hacker News, Bleeping Computer, Krebs on Security, Dark Reading, SANS ISC, THN Threat Intel, Unit 42, Security.com