AI Agents Targeted More Than 1,200 Websites, Reaching Over 100 Companies

Summary
A researcher observed criminal operators using autonomous AI agents to attack more than 1,200 sites. Reuters identified over 100 affected companies; confirmed damage and data access vary, and exposed control panels also contained secrets.
Key points
- A security researcher found about two dozen exposed Cairn AI-tool instances being used maliciously; more than 20 were judged likely malicious.
- The busiest cluster linked 14 panels to more than 1,100 attack projects targeting websites in the United States, Japan and Australia.
- The agents were instructed to find ways to run code on online shops and plant web-shell uploaders. One documented intrusion used unauthorized access to a memcached session store, unsafe PHP object handling and an old Zend Framework weakness.
- Reuters identified more than 100 companies whose websites were reached. One retailer’s compromise was independently confirmed; Deere, SharkNinja and other businesses described limited or contained impact, while Cummins said it was investigating a possible attack on a vendor-run site.
- The amount of data taken, if any, is unknown. NorForge estimated about a 10% success rate across the observed tools, while cautioning that the clusters had different goals and were not directly comparable.
- Exposed panels contained attack details, credentials and keys. NorForge found hundreds of secrets in panel data and verified 11% as still valid.
- NorForge said it was working with Reuters to warn victims and asking hosting providers to take down the panels; it did not test whether panel controls could be used without a login.
Article Details
- Victim Organization
- Deere, SharkNinja, Cummins, a very large US retailer, a large hardware-parts vendor, and two unnamed smaller businesses were among the reported targets. Compromise was independently confirmed for one retailer and reported by two smaller businesses; the named companies described limited damage or a possible attack.
- Incident Type
- Unauthorized website intrusions using autonomous AI agents, including attempts to gain code execution and plant web-shell uploaders.
- Data Types Exposed
- Credentials and keys were present in exposed Cairn panel data; hundreds of secrets were found, and 11% were verified as still valid. Data taken from victim websites was not known.
- Operational Impact
- Agents attempted to attack more than 1,200 sites and reached websites belonging to more than 100 companies. A compromise was independently confirmed at one very large US retailer, and two smaller businesses told Reuters they were compromised. Deere reported no sign that sensitive information was accessed; SharkNinja said it contained the threat. Cummins was investigating a report of a possible attack on a vendor-run website.
- Ransom Or Extortion
- None reported.
- Claim Status
- confirmed
MITRE ATT&CK
People
Products
CAIRNThe researcher, Snorre Fagerland of the security firm NorForge, found the operations by scanning the internet for exposed copies of Cairn, an open-source AI tool popular with hackers.memcachedOne documented intrusion, by the agent's own account, worked through unauthorized write access to a memcached session store, unsafe handling of saved PHP objects, and a weakness in old Zend Framework code. The pathsZend Frameworkaccess to a memcached session store, unsafe handling of saved PHP objects, and a weakness in old Zend Framework code. The paths differ from victim to victim, so this is one chain, not a single method.
Tools
Claude Codeclaudecode_deepseek-v4.1-flash, which could point to a DeepSeek V4.1 Flash model driven by Anthropic's Claude Code. Neither the researcher nor Reuters confirmed the models, and Reuters said only that the campaignTruffleHogNorForge ran the secrets scanner Trufflehog over the panel data and found hundreds of secrets, 11% of which it verified as still valid.
Countries
AustraliaIts aim seems to be lasting access to shop and payment systems for later use, NorForge said, with targets in the United States, Japan and Australia.JapanIts aim seems to be lasting access to shop and payment systems for later use, NorForge said, with targets in the United States, Japan and Australia.United StatesIts aim seems to be lasting access to shop and payment systems for later use, NorForge said, with targets in the United States, Japan and Australia.