Encrypted Prompts Defeat Grok and Gemini Guardrails; Chat Histories Stolen

Researchers at Adversa AI disclosed an attack technique that smuggles malicious instructions past AI safety filters by encrypting them. They then demonstrated it against production deployments of xAI's Grok and Google's Gemini - including a zero-click chain that could exfiltrate a Grok user's entire chat history. The technique, which the researchers call Cryptographic Context Injection, inverts…