Checked fact 286329 Oct 2026Safety and security
The report says: "We have briefed the White House on these cases and notified each agency involved."
The exact words it rests on
"We have briefed the White House on these cases and notified each agency involved."
What the source said when we opened it, on 26 Oct 2026.
The source
Investigating unintended model actions
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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