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A former NSA chief says a model cracked nearly every classified system

development2026-06-21

Claim

The general who led the NSA reportedly told a senator that Anthropic's Mythos cracked nearly every classified system it touched, not in weeks but in hours.

Reporting date: 2026-06-21 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to June 21, 2026 (theinnermostloop.substack.com)

The single claim underwriting the export regime that followed.

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Welcome to June 21, 2026

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A president says he briefly branded a lab a national security threat

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A former NSA chief says a model cracked nearly every classified system
Innermost Loop KB — secondary record
Reporting date: 2026-06-21
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-06-21-not-in-weeks-but-in-hours
Claim: The general who led the NSA reportedly told a senator that Anthropic's Mythos cracked nearly every classified system it touched, not in weeks but in hours.
Attributed sources:
- Welcome to June 21, 2026 — https://theinnermostloop.substack.com/p/welcome-to-june-21-2026
This citation does not imply independent verification of linked-source claims.

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