- Published
- Source
- Unit 42
- Filed under
- Malware & exploits, AI for defence
An investigation into a threat actor bypassing AI safety controls to coordinate credential theft, VoIP fraud planning, and database exfiltration.
Using AI safely
- Know which AI tools your organisation uses, and what data goes into them.
- Treat AI agents like any other identity: least privilege, logging and a named owner.
- Test AI features for prompt injection and data leakage before customers reach them.
More helpNCSC: guidelines for secure AI system development (opens in a new tab)
Defender’s notebook
The attacker technique behind this story, in MITRE’s terms – and what to check in your own estate.
Valid Accounts
Stealth, Persistence, Privilege Escalation, Initial AccessWhat a defender checks
- Review risky sign-ins: impossible travel, new devices, unusual locations.
- Reset credentials and revoke sessions for affected accounts.
- Put phishing-resistant MFA on admin accounts first.
Build the skillBlue Team Analyst · Identity & Access Monitoring
Exfiltration Over Web Service
ExfiltrationWhat a defender checks
- Watch for large uploads to cloud storage and file-sharing sites.
- Hunt for tools like rclone and unexpected archive files.
- Use DLP on your most sensitive data.
Build the skillBlue Team Specialist · Breach Analysis
© 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.
MyCyberWay training
AI security · in both programmes
AI is part of the attack surface now. Learn to watch it.
Blue Team Analyst covers Security Copilot in triage and monitoring the AI itself: inherited permissions, prompt injection and Purview DSPM for AI. Blue Team Engineer secures the deployment: Copilot pre-flight hardening, agent identity and tool allow-lists.
- Security Copilot in triage
- Prompt injection and DSPM for AI
- Agent identity and allow-lists
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