Codex Security
Codex Security, formerly Aardvark, enters research preview as an application-security agent that validates findings and proposes fixes.
Builds project-specific context to cut false positives; in one case noise fell 84% since initial rollout. Rolling out via Codex web to Enterprise, Business and Edu with a month of free use. A cloud version with Daybreak Blue access followed at DevDay 2026.
- Date
- Friday, 6 March 2026
- Lab
- OpenAI
- Kind
- product
- Access
- research preview
- Price
- free for a month at launch
Figures
| Measure | Value | Measured by |
|---|---|---|
| Noise reduction in one repo since rollout | 84% company-reported | company |
Sources
- openai.com/index/codex-security-now-in-research-preview/
- simonwillison.net/2026/Sep/29/openai-devday-2026-live-blog/
This record was checked against its sources on 6 October 2026. How we check