CTI · corroborated · 2026-08-22

Grok Zero-Click Attack Steals Chat History Through Encrypted Prompt Injection

Full story & timeline

MITRE ATT&CK

• T1059 Command and Scripting Interpreter Execution
• T1041 Exfiltration Over C2 Channel Exfiltration

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://cyberpress.org/grok-zero-click-attack-steals-chat-history/
• https://gbhackers.com/zero-click-grok-attack-prompt-injection/