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Articles by Jakub Sienkiewicz
2 articles published
May 22, 2026 (0d ago)
Why Mythos Doesn't Change Much (And What Actually Did)
AI vulnerability discovery is now possible with public models, not only proprietary systems like Claude Mythos. We explain what actually changed for AppSec teams, why raw AI security results are not enough, and how validation, prioritization, and developer trust now matter more than model access.
April 14, 2026 (1mo ago)
We Reproduced Anthropic's Mythos Findings With Public Models
Anthropic framed Mythos and Project Glasswing as proof that frontier AI vulnerability research now needs gated access. We tested the public, patched cases with GPT-5.4 and Claude Opus 4.6 and found that the key building blocks are already accessible outside Glasswing, while reliable operationalization remains the real moat.