Issue

Welcome to April 20, 2026

issue

Reporting date: (not necessarily the event date)

Sources

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The NSA and the Department of War are running Mythos Preview even after the same department flagged Anthropic as a supply chain risk. The corpus has followed this since February: refusal, blacklist, injunction, quiet workarounds, and now open contradiction.

Meanwhile Mythos is flooding open-source maintainers with bug reports, conscripting volunteers into a global red team.

Development timeline

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