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Chinese-speaking group used Claude to run intrusions against about 50 organizations

Multiple, disclosed 10 Sep 2026 Manipulated AI Data exposed High

What happened

Anthropic reported that GTG-10007, Chinese-speaking operators likely based in Changsha, used Claude as the orchestration layer for an offensive program against about 50 organizations, with confirmed compromises at an education technology company, a retailer and a Southeast Asian government agency.

Targets spanned education, retail, energy, technology, healthcare, finance, manufacturing and government, with hands-on intrusions concentrated on domestic Chinese victims. Stolen data included student personal data and citizen records (names, phone numbers, home addresses) from the government agency.

How it happened

Manipulated AI: Jailbreak and misuse. An attacker talked an AI model past its safety rules and then used it to carry out the attack.

The AI involved was from Anthropic. The product was Claude, a type of AI agent.

Impact

Data was exposed. Data involved: personal data. Many organizations were affected.

Severity is rated High, calculated from how far the incident reached and how sensitive the data was.

Was the AI at fault?

No. The failure was in the systems, settings or people around the AI, not in the model's behaviour.

Status and timeline

Confirmed by the affected organization, the AI vendor, a regulator or a named security research firm.

It became public on 10 Sep 2026.

Anthropic says it disrupted the activity, banned associated accounts and strengthened safeguards.

Sources

  1. https://www.anthropic.com/threat-intelligence-report-september-2026
  2. https://www.bleepingcomputer.com/news/security/hackers-abused-claude-to-extract-secrets-from-18m-android-apps/

Related incidents

Cite as: Sev0, "Chinese-speaking group used Claude to run intrusions against about 50 organizations", https://sev0.fyi/incidents/2026-09-10-anthropic-gtg-10007-chinese-espionage-claude/. Data for this record: incidents.json.