BleepingComputerApr 6, 2026
New GPUBreach attack enables system takeover via GPU rowhammer
A new attack, dubbed GPUBreach, can induce Rowhammer bit-flips on GPU GDDR6 memories to escalate privileges and lead to a full system compromise. [...]
Read articleBleepingComputerApr 6, 2026
Disgruntled researcher leaks “BlueHammer” Windows zero-day exploit
Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gain SYSTEM or elevated administrator permissions. [...]
Read articleBleepingComputerApr 6, 2026
Microsoft fixes Classic Outlook bug causing email delivery issues
Microsoft has resolved a known issue that was preventing some Classic Outlook users from sending emails via Outlook.com. [...]
Read articleThe Hacker NewsApr 6, 2026
Iran-Linked Password-Spraying Campaign Targets 300+ Israeli Microsoft 365 Organizations
An Iran-nexus threat actor is suspected to be behind a password-spraying campaign targeting Microsoft 365 environments in Israel and the U.A.E. amid ongoing conflict in the Middle East. The activity, assessed to be ongoi...
Read articleBleepingComputerApr 6, 2026
Microsoft removes Support and Recovery Assistant from Windows
Microsoft has deprecated and removed the Support and Recovery Assistant (SaRA) command-line utility from all in-support versions of Windows updates starting March 10. [...]
Read articleThe Hacker NewsApr 6, 2026
DPRK-Linked Hackers Use GitHub as C2 in Multi-Stage Attacks Targeting South Korea
Threat actors likely associated with the Democratic People's Republic of Korea (DPRK) have been observed using GitHub as command-and-control (C2) infrastructure in multi-stage attacks targeting organizations in South Kor...
Read articler/netsecApr 6, 2026
Using Cloudflare’s Post-Quantum Tunnel to Protect Plex Remote Access on a Synology NAS
With Cloudflare now supporting PQC encryption, I thought it'd be a fun experiment to see if I could encapsulate Plex traffic in a tunnel since it's not supported natively. 🤓   submitted by   /u/IndySecMan [link]...
Read articleThe Hacker NewsApr 6, 2026
Multi-OS Cyberattacks: How SOCs Close a Critical Risk in 3 Steps
Your attack surface no longer lives on one operating system, and neither do the campaigns targeting it. In enterprise environments, attackers move across Windows endpoints, executive MacBooks, Linux infrastructure, and m...
Read articleThe Hacker NewsApr 6, 2026
⚡ Weekly Recap: Axios Hack, Chrome 0-Day, Fortinet Exploits, Paragon Spyware and More
This week had real hits. The key software got tampered with. Active bugs showed up in the tools people use every day. Some attacks didn’t even need much effort because the path was already there. One weak spot now spread...
Read articler/netsecApr 6, 2026
Cracking a Malvertising DGA From the Device Side
  submitted by   /u/AdTemporary2475 [link]   [comments]
Read articler/netsecApr 1, 2026
r/netsec monthly discussion & tool thread
Questions regarding netsec and discussion related directly to netsec are welcome here, as is sharing tool links. Rules & Guidelines Always maintain civil discourse. Be awesome to one another - moderator intervention will...
Read articler/netsecJan 26, 2026
/r/netsec's Q1 2026 Information Security Hiring Thread
Overview If you have open positions at your company for information security professionals and would like to hire from the /r/netsec user base, please leave a comment detailing any open job listings at your company. We w...
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