1d ago

OpenAI introduces Daybreak for secure software development

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OpenAI introduced Daybreak, a system that combines its leading models with Codex as an agentic harness and security partners. The platform embeds secure code review, threat modeling, patch validation, dependency risk analysis, detection, and remediation guidance into developer workflows. OpenAI described the release as an early step toward software resilient by design and said it will expand capabilities through verification and safeguards while partnering with industry and government on iterative deployment of advanced cyber models.

Original post

https://openai.com/daybreak/ "The goal is simple: accelerate cyber defenders and continuously secure software. Daybreak combines the intelligence of OpenAI models, the extensibility of Codex as an agentic harness, and our partners across the security flywheel to help make the world safer for everyone. Defenders can bring secure code review, threat modeling, patch validation, dependency risk analysis, detection, and remediation guidance into the everyday development loop so software becomes more resilient from the start. In the coming weeks, we’re working with our industry and government partners as we prepare to deploy increasingly more cyber-capable models as part of our approach to iterative deployment."

12:39 PM · May 11, 2026 View on X
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ORIGINAL POSTOP#1OpenAI@OPENAI

Introducing Daybreak: frontier AI for cyber defenders.

Daybreak brings together the most capable OpenAI models, Codex, and our security partners to accelerate cyber defense and continuously secure software.

A step toward a future where security teams can move at the speed defense demands.

8:45 PM · May 11, 2026 · 5M Views
Sam Altman@sama

OpenAI is launching Daybreak, our effort to accelerate cyber defense and continuously secure software. AI is already good and about to get super good at cybersecurity; we'd like to start working with as many companies as possible now to help them continuously secure themselves.

9:34 PM · May 11, 2026 · 350.5K Views
9:34 PM · May 11, 2026 · 87.1K Views
ORIGINAL POSTSA#3Sam Altman@SAMA

OpenAI is launching Daybreak, our effort to accelerate cyber defense and continuously secure software.

AI is already good and about to get super good at cybersecurity; we'd like to start working with as many companies as possible now to help them continuously secure themselves.

9:34 PM · May 11, 2026 · 350.5K Views

Daybreak: our umbrella effort for defensive acceleration, equipping cyber defenders with the best possible frontier AI capabilities.

OpenAI@OpenAI

Introducing Daybreak: frontier AI for cyber defenders. Daybreak brings together the most capable OpenAI models, Codex, and our security partners to accelerate cyber defense and continuously secure software. A step toward a future where security teams can move at the speed defense demands.

8:45 PM · May 11, 2026 · 5M Views
9:00 PM · May 11, 2026 · 51.8K Views
ORIGINAL POSTTI#548Tibo@THSOTTIAUX

Cybersecurity is changing.

Daybreak brings together our most capable cyber models, Trusted Access tiers, advanced security workflows in Codex and at scale repo scanning with patch generation. With much more to come.

3:58 AM · May 12, 2026 · 39.9K Views
Tibo@thsottiaux

Cybersecurity is changing. Daybreak brings together our most capable cyber models, Trusted Access tiers, advanced security workflows in Codex and at scale repo scanning with patch generation. With much more to come.

3:58 AM · May 12, 2026 · 39.9K Views
3:59 AM · May 12, 2026 · 11.3K Views

@sama Look at me Sam, I’m the cybersecurity expert now

Sam Altman@sama

OpenAI is launching Daybreak, our effort to accelerate cyber defense and continuously secure software. AI is already good and about to get super good at cybersecurity; we'd like to start working with as many companies as possible now to help them continuously secure themselves.

9:34 PM · May 11, 2026 · 350.5K Views
9:37 PM · May 11, 2026 · 2.5K Views
openai.com
/daybreak/

"The goal is simple: accelerate cyber defenders and continuously secure software.

Daybreak combines the intelligence of OpenAI models, the extensibility of Codex as an agentic harness, and our partners across the security flywheel to help make the world safer for everyone. Defenders can bring secure code review, threat modeling, patch validation, dependency risk analysis, detection, and remediation guidance into the everyday development loop so software becomes more resilient from the start.

In the coming weeks, we’re working with our industry and government partners as we prepare to deploy increasingly more cyber-capable models as part of our approach to iterative deployment."

7:39 PM · May 11, 2026 · 6.2K Views

Our goal is simple: accelerate cyber defenders and continuously secure software.

That's our plan behind Daybreak, and we're excited to get frontier models and tools in the hands of our partners to help make the world more secure.

OpenAI@OpenAI

Introducing Daybreak: frontier AI for cyber defenders. Daybreak brings together the most capable OpenAI models, Codex, and our security partners to accelerate cyber defense and continuously secure software. A step toward a future where security teams can move at the speed defense demands.

8:45 PM · May 11, 2026 · 5M Views
9:07 PM · May 11, 2026 · 5.4K Views
OpenAI introduces Daybreak for secure software development · KRO · Digg