Russian state-linked hackers use Anthropic's Claude AI in cyber ops against Ukraine, Europe

Anthropic reports that Russian intelligence-linked cybercrime groups have adopted its AI model Claude to enhance offensive cyber operations targeting Ukrainian and Western institutions. This marks a notable first documented use of a major commercial AI tool by Russian state-aligned threat actors, raising concerns about AI-enabled cyber warfare. The report is based on Anthropic's threat intelligence, with attribution to Russian state-linked groups still partially unverified.