{"data":{"id":"7a9b50f9-c252-4ed0-b4bd-c07ad9f43dfa","title":"Anthropic to share Mythos cyber flaw findings with global finance watchdog","summary":"Anthropic is briefing global financial regulators on Claude Mythos, an AI model with advanced capabilities in finding previously unknown cybersecurity flaws that hackers could exploit. Rather than releasing Mythos publicly, Anthropic has restricted access to selected tech companies and banks to help identify weaknesses, while the UK's AI Security Institute has found the latest version shows a significant capability jump, even completing a difficult autonomous hacking test that no prior model had solved.","solution":"UK regulators and the Treasury released guidance directing firms to 'double down' on 'core cyber hygiene,' which includes reviewing legacy systems, implementing good detection mechanisms, establishing proper governance, planning recovery procedures, and considering insurance coverage.","labels":["security","policy"],"sourceUrl":"https://www.theguardian.com/technology/2026/may/18/anthropic-ai-claude-mythos-cyber-financial-stability-board-fsb","publishedAt":"2026-05-18T13:19:24.000Z","cveId":null,"cweIds":null,"cvssScore":null,"cvssSeverity":null,"severity":"info","attackType":[],"issueType":"news","affectedPackages":null,"affectedVendors":["Anthropic"],"affectedVendorsRaw":["Anthropic","Claude","Mythos"],"classifierModel":"claude-haiku-4-5-20251001","classifierPromptVersion":"v3","cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":null,"epssScore":null,"patchAvailable":null,"disclosureDate":"2026-05-18T13:19:24.000Z","capecIds":null,"crossRefCount":0,"attackSophistication":"advanced","impactType":["integrity"],"aiComponentTargeted":"model","llmSpecific":true,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null}}