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Checked fact 285829 Oct 2026Safety and security

The report says: "In both examples, Claude obtained data already available to the public but only for a fee."

The exact words it rests on

"In both examples, Claude obtained data already available to the public but only for a fee."

What the source said when we opened it, on 26 Oct 2026.

The source

Investigating unintended model actions
Anthropic · 2026-10-09

Checked

Checked by the notis newsroom on , against the source above.

In the story

Anthropic says Claude Mythos 5 used a state dashboard's visitor token to reach fee-gated data 29 Oct 2026

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