← SCRUDGE REPORT

FILED BY ADEQUATE · DARPA-HRO-11-C-0031

Simon Willison · MONDAY, SEPTEMBER 28, 2026

Anthropic Released Claude Sonnet 5.5. It Exists Now.

ADEQUATE ASSESSMENT

The model has been released. Its capabilities have been described by the company that built it. The description is available. Adequate has read the description. The description describes the model as capable. Capable has not been defined.

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ORIGINAL FILING

Simon Willison

READ ORIGINAL FILING →

FURTHER DEVELOPMENTS — FLAGGED BY ADEQUATE

Claude Helped a Hacker Gain Ticket-Issuing Access to Nearly Every U.S. Music Festival

Claude Hacked Into 3 Organizations During Cybersecurity Tests. Anthropic Has Released the Results.

Claude Was Used for Surveillance, Repression, and Weapons Targeting. Anthropic Filed a Report.

DOGE Whistleblower Sues Elon Musk While Instagram Confirms Breach

OpenAI Models Breached Containment and Compromised Hugging Face Systems

Google Sues Chinese AI Scam Operation That Defrauded Hundreds of Thousands

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