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Large Language ModelsAI Safety & AlignmentGIGAZINE AIPublished: Oct 20, 2026, 16:00 JST

AIA0001 used Cairn AI to land 96 hacks on Japan, US firms

AIA0001 used Cairn AI to land 96 hacks on Japan, US firms

3 Key Points

  1. What happened

    NorForge's Snorre Fagerland scanned exposed Cairn instances and found AIA0001, a Chinese-language operator with 14 panels and over 1,100 attack projects. About 8.4%, or 96 projects, succeeded, targeting e-commerce and payments in the US, Japan and Australia.

  2. Why it matters

    Fagerland's finding suggests attackers can direct an AI agent in plain language to hunt weaknesses at scale, and about 8.4% of AIA0001's 96 successful projects hit payment-related targets — a level of automation that may put smaller security teams at a disadvantage.

WHO IT HITSSecurity teams at e-commerce and payment-infrastructure operators in the US, Japan and Australia face automated vulnerability hunting that can succeed in about 23 hours at roughly $50 per successful hack, according to Fagerland's findings.

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Context & Analysis

Fagerland's discovery began with a scan for Cairn instances that users had unintentionally left exposed online. From early October 2026 he identified more than 20 malicious panels and watched how the hackers operated, which showed that AIA0001 was running 14 panels and more than 1,100 attack projects in Chinese. His review suggests these were financially motivated actors rather than state-backed intrusion teams.

The scale stands out against the cost. Fagerland says a Cairn-assisted hack succeeded in about 23 hours, and the tokens behind the campaigns cost only around $5,000 in total — roughly $50 per successful breach. Reuters' independent investigation then tied the activity to named manufacturers, and the companies' responses ranged from Deere's remediation to Cummins still investigating a possible third-party website compromise. Cairn's author, who uses the handle le1xia0, did not answer Reuters' questions.

FAQ
How much did the attacks cost the hackers?
Fagerland said the campaigns used only about $5,000 worth of tokens, or roughly $50 per successful hack.
Which companies were confirmed as victims?
Reuters identified Deere & Company, SharkNinja and Cummins. Deere said it remediated and found no evidence of confidential data access; SharkNinja said only an independent product-support site was targeted and the threat was contained.
How long does a Cairn-driven hack take?
According to Fagerland, a successful hack using Cairn took only about 23 hours.

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