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Why Abnormal AI Partnered With OpenAI on Daybreak

Why Abnormal AI Partnered With OpenAI on Daybreak

September 21, 2026
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Michael Aiello, Head of Product for Cyber at OpenAI | Credit: Michael Aiello/LinkedIn

Abnormal AI joins OpenAI’s Daybreak programme, as Mike Aiello says the partnership will accelerate the adoption of practical defences for enterprises

Leading frontier AI firm OpenAI, has partnered with Abnormal AI to help the enterprise securely wield the best in class AI models across its business and product development.

The collaboration will see Abnormal expand its use of OpenAI models while the two companies explore avenues for enhancing security capabilities for the detection, investigation and response to threats.

The partnership brings together Abnormal’s expertise in behavioural security with OpenAI’s frontier AI capabilities.

Why Has Abnormal AI Partnered with OpenAI on Daybreak?

With its mission of using AI to stop cybercrime,Abnormal protects more than 4,500 organisations – including more than 25% of the Fortune 500 – using proprietary Behavioural AI to identify sophisticated attacks that conventional, rules-based security tools can miss.

Protecting and empowering people

This strategic partnership, Abnormal says, starts with a “shared commitment to using AI to protect and empower people”.

It will focus on helping businesses move AI projects into production more quickly while maintaining the visibility, governance and control required in enterprise environments.

“We partner with companies that are aligned to our mission of fighting crime and that want to bring customers into the future with the most effective AI,” says Evan Reiser, Founder and CEO of Abnormal AI.

“That is why Abnormal is expanding its use of OpenAI for internal business operations and software development and why we are working together to help every enterprise adopt AI with confidence.”

Evan Reiser, Founder & CEO of Abnormal AI | Credit: Evan Reiser/LinkedIn

Abnormal will use OpenAI across areas including engineering, customer operations and security workflows. Both firms also intend to share lessons from these deployments to develop practical approaches that can help other organisations adopt AI safely.

OpenAI Daybreak partnership brings AI to cyber defence

Abnormal will be joining the OpenAI Daybreak Cyber Partner Program as an early security partner. OpenAI had launched Daybreak with the goal of putting “put frontier intelligence in the hands of trusted defenders everywhere”.

The company had recently expanded this programme with specific tiers called Daybreak Blue and Daybreak Red.

As part of this new collaboration, Abnormal and OpenAI will explore how OpenAI’s frontier models and Codex Security can complement Abnormal’s Behavioural AI. Potential capabilities include monitoring AI agent activity and identifying anomalous behaviour as autonomous systems increasingly populate the modern workflows.

Attackers are using AI to move faster and blend in more convincingly than ever before

Evan Reiser, Founder & CEO of Abnormal AI

Abnormal’s core detection and response products will continue to be powered by its proprietary Behavioural AI, maintaining the company’s focus on identifying threats through behavioural patterns rather than relying solely on traditional security rules.

AI-powered cybersecurity aims to strengthen defenders

OpenAI’s Daybreak initiative combines frontier cyber models, Codex Security, Trusted Access for Cyber and ecosystem partnerships to help security teams find vulnerabilities, investigate threats and improve organisational resilience.

“Abnormal brings deep expertise in email and identity security, and its products are already part of many workflows enterprises use to protect their people and systems,” said Mike Aiello, Head of Cyber Products at OpenAI.

“By partnering, we will help accelerate the adoption of practical defences and bring advanced AI capabilities to more defenders through tools they already trust.”

Key facts

  • Abnormal protects more than 4,500 organisations – including more than 25% of the Fortune 500
  • Abnormal will be joining the OpenAI Daybreak Cyber Partner Program as an early security partner
  • OpenAI’s Daybreak initiative combines frontier cyber models, Codex Security, Trusted Access for Cyber and ecosystem partnerships to help security teams find vulnerabilities, investigate threats and improve organisational resilience

The partnership comes as businesses face a rapidly changing threat landscape, with attackers increasingly using AI to increase speed and make malicious activity harder to detect.

”Abnormal’s mission is to stop crime with AI. Our behavioural AI enables us to understand the normal behaviour of an organisation and catch any deviation from that normal behaviour,” Evan says.

”As enterprises adopt AI tools and agents, we’re applying our technology to these new architectures. Our partnership with OpenAI accelerates secure AI adoption and ultimately strengthens our mission.”

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