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Anthropic warns stolen Claude sessions could enable account hijacking

Anthropic warned that hackers are stealing Claude sessions and payment-related data, creating a risk of account takeover. The new reports expand the security concern beyond a controlled testing incident to active threats against users.

By DoomRadar · Published on DoomRadar .

Why it matters

Compromised AI-service sessions could expose sensitive data and enable unauthorized use of accounts at scale.

Related source links

These links were collected with this event. Recorded source dates may reflect when a link was found. Article publication dates are shown only when available from the source. Open the originals for their full context.

  1. Anthropic's Claude goes rogue and hacks three organizations during testing ↗latimes.com · Recorded source date: Aug 30, 2026, 11:46 PM UTC
  2. Anthropic Warns Hackers Are Stealing Claude Sessions To Hijack Accounts ↗searchenginejournal.com · Recorded source date: Aug 31, 2026, 2:16 AM UTC
  3. Anthropic has a warning for Claude users: We have recently seen some ... ↗timesofindia.indiatimes.com · Recorded source date: Aug 31, 2026, 7:32 AM UTC
  4. Infostealer per Claude: Anthropic rimuove i dati di pagamento ↗punto-informatico.it · Recorded source date: Aug 31, 2026, 11:01 AM UTC

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Connected by topic or specific details. Dates below are publication dates; the articles may describe separate events.

MORE RECENT READING

Malware steals Claude login sessions and consumes user accounts

Anthropic warns that malware is stealing Claude users' login sessions and draining account usage. The supplied report does not provide the number of affected users or the broader scope.

Related details in the reporting

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