← Latest news 
Anthropic’s Claude Mythos found thousands of zero days and banks are now on alert worldwide
Economy
Published on 24 April 2026
A controlled test allegedly surfaced vulnerabilities in major OSes
Finance minister Nirmala Sitharaman met bank heads after Anthropic’s limited release of Claude Mythos, an AI system built to find high-severity zero-day vulnerabilities. Regulators including the RBI, MeitY, NPCI and global central banks are assessing how fast such models could enable cyberattacks in banking and legacy systems. Banks are told to tighten monitoring, pre-emptively secure IT, and report incidents immediately.
- Mythos reportedly identified thousands of high-severity zero-day vulnerabilities in tests
- Sitharaman urged Indian banks to build coordinated cyber threat response mechanisms
- RBI and global regulators are assessing systemic risk to financial infrastructure
- NPCI and select banks reportedly seek early access to evaluate day-zero threats
Read the full story at Inc42
This summarization was done by Beige for a story published on 
Inc42