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Encrypting your instructions is enough to bypass Grok and exfiltrate its users’ history

An Adversa researcher showed that encrypting malicious instructions with PBKDF2 and AES-256-GCM is enough to bypass Grok’s guardrails, which decrypt the payload and then execute it as their own tool output. xAI was told in June, and the assistant was still leaking users’ names, locations, and chat histories on August 20.

A forged NTFS3 image gives any local user root the moment a USB drive is mounted

The Linux kernel’s NTFS3 driver restores setuid bits straight from untrusted on-disk data, letting a crafted NTFS image produce a setuid-root binary as soon as the volume mounts. Reported privately two months ago and still unpatched, the bug hits desktops whose automounter mounts NTFS volumes with suid on by default.

AWS opens a Local Zone in Las Vegas for single-digit latency and edge inference

AWS announced general availability of a Las Vegas Local Zone (us-west-2-las-2a) on August 20, 2026, with EC2 C7i/M7i/R7i/C8gn, ECS, EKS, the Application Load Balancer, and Direct Connect. Teams under latency or data-residency pressure should weigh it against a full region before committing.

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