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Anthropic says it disrupted the operation, which compiled ship transponder data, military photos, and satellite imagery to track American vessels

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Anthropic says an Iran-linked threat actor used its Claude AI model to compile targeting handbooks on U.S. Navy warships operating in the Middle East, according to a threat intelligence report the company published this week.

The actor used Claude, with assistance from a Python pipeline Claude helped build, to collect and analyze publicly accessible data on U.S. naval forces. The compiled material included a roster of U.S. personnel scraped from captions on public military photographs, ship and aircraft transponder identifiers, commercial satellite-imagery query scripts, and an inventory of public websites that exposed U.S. naval movements, the report said. The actor also directed Claude to research vulnerabilities in shipboard systems, cataloging known software flaws in maritime satellite communications terminals, Cisco $CSCO communications equipment, and industrial control products.