- Published
- Source
- Help Net Security
- Filed under
- Data breaches, Attacks, AI for defence
Chinese-speaking attackers used Cairn, an open-source AI penetration testing framework, to run 25 operations against at least 19 organizations in August and September 2026. Palo Alto Networks’ Unit 42 found that the attackers gained unauthorized access or pulled data at 10 of them, often after typing little more than a domain name and a one-line goal. Most of the targets fall into three groups: seven in the semiconductor and advanced-manufacturing supply chain, three in defense …
Think your details were in it?
- Check your email address at Have I Been Pwned – it lists the breaches your details have appeared in.
- Change that service's password, and any other account that used the same one. A password manager makes every password unique.
- Turn on two-step verification, and expect scam messages that quote the leaked details to sound convincing.
More helpHave I Been Pwned (opens in a new tab)NCSC: top tips for staying secure online (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.
Supply Chain Compromise
Initial AccessWhat a defender checks
- Find where the affected package, update or vendor is used in your estate.
- Pin and verify dependencies, and keep a software bill of materials.
- Review what access the vendor's software has.
Build the skillBlue Team Engineer, Risk Assessment & Recommendations Reporting
© 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.
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- Scope, attacker path and dwell time
- Threat hunting with ATT&CK and KQL
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