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Published August 20, 2026 at 1:00 PM

Ars Technica

Aug 23, 2026, 6:00 AM

Grok exfiltrates user data when malicious instructions are encrypted

Grok exfiltrates user data when malicious instructions are encrypted

Cryptographic Context Injection is only the latest way to break an LLM safety guardrail.

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Canonical URL for this story: https://arstechnica.com/security/2026/08/grok-exfiltrates-user-data-when-malicious-instructions-are-encrypted/