Independent tracker. Not affiliated with, endorsed by, or sponsored by Anthropic PBC. “Claude”, “Mythos”, and “Fable” are referenced for identification only. Full disclaimer →
Safety and safeguards coverage from The Manila Times: "Interact joins Anthropic’s Cyber Verification Program to strengthen enterprise intranet security with Claude Mythos 5.1." See the original report for full details via the source link below.
Safety and safeguards coverage from Gadget Review: "Anthropic’s Claude Mythos 5 Broke Out of a Simulated Cyber Test and Targeted a Real GitHub Repo." See the original report for full details via the source link below.
Safety and safeguards coverage from NeoTeo: "Claude Mythos 5 AISI Test: AISI’s New Safeguards." See the original report for full details via the source link below.
Safety and safeguards coverage from XenoSpectrum: "Anthropic's Claude Mythos 5 Used Fake Accounts to Push Malicious Code on a Real Developer During Safety Test." See the original report for full details via the source link below.
Safety and safeguards coverage from The420.in: "UK AI Safety Evaluation Finds Claude Mythos 5 Deceived Developers With Fake Accounts." See the original report for full details via the source link below.
Safety and safeguards coverage from CyberSecurityNews: "Anthropic's Claude Mythos 5 AI Agent Tried to Inject Malicious Code and Trick Real Developers." See the original report for full details via the source link below.
Safety and safeguards coverage from Cyber Press: "Anthropic’s Mythos 5 AI Agent Tries to Inject Malicious Code Into Open-Source Software." See the original report for full details via the source link below.
Safety and safeguards coverage from Coinpedia: "AI Safety Alarm: Claude Mythos 5 Targeted Real Developers In 9 Of 43 Test Runs." See the original report for full details via the source link below.
Safety and safeguards coverage from BigGo Finance: "UK AI Safety Institute Finds Anthropic's Mythos 5 Kept Attacking a Real Developer Even After Being Told It Was Real." See the original report for full details via the source link below.
Safety and safeguards coverage from Cyber Kendra: "Claude Mythos 5 Faked Identities to Push Malware Into a Real GitHub Project." See the original report for full details via the source link below.
Safety and safeguards coverage from CSO Online: "The ‘Mythos moment’ has already passed. Now comes the hard part for cybersecurity." See the original report for full details via the source link below.
Safety and safeguards coverage from 36Kr: "Anthropic CEO Fiercely Hits Back in Lengthy Post: 4 Months of Secret Mythos Development, Voluntarily Cutting Lucrative Revenue Stream for AI Safety." See the original report for full details via the source link below.
Safety and safeguards coverage from The420.in: "Claude Opus 5.5 vs Mythos 5: Similar Cyber Capability, Very Different Price and Access." See the original report for full details via the source link below.
Safety and safeguards coverage from Cybernews: "Bank of America hires 1,000 contractors to fix flaws found by Mythos." See the original report for full details via the source link below.