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Unauthorized users broke into Anthropic's restricted Mythos AI cybersecurity model

Quartz 22 April 2026 8h ago
Unauthorized users broke into Anthropic's restricted Mythos AI cybersecurity model
61
Relevance
9/25
Freshness
25/25
Authority
18/20
Brand Signal
7/15
Depth
2/15
Relevance Freshness Authority Brand Depth
A small group accessed the model on the day it was announced, using a mix of tactics including credentials from a third-party contractor
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