OpenAI Blog
Aug 10
Expanding Daybreak as the Cyber Defense Window Narrows
Meet GPT-5. 6-Cyber, OpenAI’s cybersecurity-specific model available through Daybreak Red for authorized vulnerability research, exploit validation, and security testing.
Sophos cuts threat investigation time by 96% with OpenAI Daybreak
Sophos has implemented OpenAI’s Daybreak to dramatically reduce cyber‑threat investigation time, cutting it by 96%. The solution also automates 52% of Managed Detection and Response (MDR) cases while maintaining human oversight. This integration showcases how AI can streamline security operations and enhance efficiency.
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OpenAI Blog
Oct 26
How Ultrafast cut incident investigation from hours to minutes at OpenAI
OpenAI engineers use Codex Ultrafast to cut incident investigation time from hours to minutes. The tool enables faster security analysis, code refactoring, and integration into daily workflows. This demonstrates a significant efficiency improvement in handling incidents.
OpenAI Blog
Oct 14
SentinelOne cuts malware analysis from weeks to hours
SentinelOne has reduced the time required for malware analysis from weeks to hours with the introduction of OpenAI Daybreak. This acceleration allows the company to investigate a larger number of threats more efficiently. The new capability significantly expands SentinelOne’s threat analysis capacity.
OpenAI Blog
Jul 24, 2025
Resolving digital threats 100x faster with OpenAI
Discover how Outtake uses GPT-4. 1 and OpenAI o3 to power AI agents that detect and resolve digital threats 100x faster than before.
OpenAI Blog
Oct 27
How Check Point accelerates vulnerability research with Daybreak
With OpenAI Daybreak, Check Point speeds up the research behind new security protections, enabling its analysts to turn vulnerability intelligence into customer defenses faster.
OpenAI Blog
Jun 22
Daybreak: Tools for securing every organization in the world
OpenAI introduces new Daybreak tools, including Codex Security and GPT-5. 5-Cyber, to help organizations find, validate, and patch vulnerabilities at scale.
OpenAI Blog
Oct 14
How Block is building AI-powered security with OpenAI technology
Block is developing AI‑powered security solutions using OpenAI technology. The company’s security team leverages this AI to investigate threats more quickly and to propose patches within minutes.
OpenAI Blog
Oct 21
Cloudflare links vulnerability discovery to defense with OpenAI
Cloudflare uses OpenAI Daybreak to investigate vulnerabilities and propose fixes for review. Its developers use Codex to build faster and improve code quality.
OpenAI Blog
Aug 7
Responding to the next frontier of critical cyber capabilities
OpenAI is sharing preliminary cybersecurity evaluations for Astra and the steps we’re taking to strengthen safeguards and security controls.
OpenAI Blog
Oct 7, 2025
Disrupting malicious uses of AI: October 2025
Discover how OpenAI is detecting and disrupting malicious uses of AI in our October 2025 report. Learn how we’re countering misuse, enforcing policies, and protecting users from real-world harms.
OpenAI Blog
Feb 13
Beyond rate limits: scaling access to Codex and Sora
How OpenAI built a real-time access system combining rate limits, usage tracking, and credits to power continuous access to Sora and Codex.
OpenAI Blog
Sep 1
Path to Astra: critical capabilities and frontier safeguards
The OpenAI Blog article titled "Path to Astra: critical capabilities and frontier safeguards" announces that Astra is the first OpenAI model to meet the Critical cybersecurity capability threshold under the Preparedness Framework. It highlights that Astra incorporates stronger safeguards for its release, ensuring higher security standards. The piece underscores the model’s compliance with stringent cybersecurity criteria.