Claude
Claude is a family of large language models and an associated chatbot developed by Anthropic, an American artificial intelligence research company. Anthropic was founded in 2021 by former OpenAI researchers Dario Amodei and Daniela Amodei and is headquartered in San Francisco. Claude is known for its emphasis on AI safety research and a training method the company calls "constitutional AI," and is integrated into third-party tools for coding, productivity and enterprise workflows.
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Anthropic: Russia-linked hackers used Claude Code to automate cyberattacks on Ukraine and Europe
Anthropic published a report documenting how a cyber actor tracked as GTG-20006 — linked by researchers to the Russian group Midnight Blizzard — used the company's Claude Code AI tool to automate large portions of cyberattacks against Ukrainian and European government, defense and diplomatic targets. The investigation identified more than 20 organizations hit between December 2025 and August 2026, with military drone developers and their supply chains among the key themes.