Rubrik rebuilds code review pipeline after AI model finds numerous security flaws
Rubrik Inc. said it rebuilt its code review pipeline after Anthropic’s Mythos Preview model, accessed via Project Glasswing, flagged many security issues in Rubrik’s code. Rubrik created a team and a “harness” to add business and security context, using broad scans then narrower passes. Rubrik did not disclose figures, but reported fewer prioritized issues and chose “trustworthy” automation over full automation for critical fixes.
How this was made

The 30-second read
Why it matters
The key takeaway is a shift toward “trustworthy automation” and away from fully automated remediation for critical issues, implying changes to Rubrik’s secure development and review workflow.
Market read
Traders may view this as incremental validation of AI-assisted security workflows, but the lack of disclosed metrics or commercial outcomes limits tradable signal strength.
What to watch
The article omits whether Rubrik will productize this harness for customers, whether it affects delivery timelines, and whether any customers or regulators are involved.
Background
Rubrik used Anthropic’s Project Glasswing access to Mythos Preview to scan its own code repositories for vulnerabilities and attack chains.
Market effects
Highlights growing enterprise security demand for AI-assisted vulnerability discovery and the need for trustworthy automation in secure SDLC.
No clear regional linkage beyond general US enterprise software/security trends.
Relevant to global software security and AI tooling adoption, but without disclosed cross-border contracts or regulatory actions.
Counterpoint
The “rebuild pipeline” story may reflect internal experimentation with AI tooling rather than a durable, monetizable product change.
Key entities
- companyRubrik Inc.
Data resilience company that rebuilt its code review pipeline after AI surfaced many security flaws.
- companyAnthropic
AI provider whose Mythos Preview model was used for vulnerability scanning.
- productProject Glasswing
Anthropic program providing early access to Mythos Preview for finding software flaws and constructing attack chains.




