Grok exfiltrates user data when malicious instructions are encrypted

Ars Technica security feed covering active exploitation of critical vulnerabilities, AI- and LLM-enabled attacks, supply-chain credential theft, server and endpoint compromise, phishing and social engineering, privacy surveillance, passkeys, cryptography, and defensive security technology. Multiple reports describe high-impact attacks including Exchange and macOS flaws under active exploitation, compromised AI packages leaking credentials, and vulnerabilities enabling remote device or server control.