Most enterprises can't stop stage-three AI agent threats, VentureBeat survey finds

How mature is your AI agent security? VentureBeat's survey of 108 enterprises maps the gap between monitoring and isolation — ...

Hackers are abusing unpatched Windows security flaws to hack into organizations

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...
Decrypt

Anthropic’s Alarming Mythos Findings Replicated With Off-the-Shelf AI, Researchers Say

Security researchers used GPT-5.4 and Claude Opus 4.6 in an open-source harness to reproduce Anthropic's Mythos vulnerability ...
Scientific American

What is Mythos, Anthropic’s unreleased AI model, and how worried should we be?

The company says Mythos is too dangerous to release publicly. Cybersecurity experts agree the model's capabilities matter, ...
CSO Online

Another Microsoft Defender privilege escalation bug emerges days after patch

New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...
Hackaday

This Week In Security: Docker Auth, Windows Tools, And A Very Full Patch Tuesday

CVE-2026-34040 lets attackers bypass some Docker authentication plugins by allowing an empty request body. Present since 2024, this bug was caused by a previous fix to the auth workflow. In the ...