Grok exfiltrates user data when malicious instructions are encrypted

Ars Technica security feed covering active exploitation of critical vulnerabilities, AI-assisted attacks and prompt-injection data exfiltration, supply-chain credential theft, server and endpoint backdoors, cloud and collaboration-platform flaws, account-takeover defenses, surveillance, phishing, and emerging cryptographic weaknesses. Several reports describe real-world compromise or high-impact vulnerabilities, including Exchange and macOS issues under active exploitation, compromised AI packages leaking credentials, and screen-sharing flaws enabling device takeover.