Microsoft shipped its first cybersecurity-specialized AI model alongside an agentic security platform at a San Francisco event on Monday. The dual launch targets major AI labs including Anthropic, Google, and OpenAI in the enterprise security market.

The company's MAI-Cyber-1-Flash model is built to identify vulnerabilities in complex codebases. It powers MDASH, Microsoft's software vulnerability identification and remediation harness.

Perception, the new security platform, deploys teams of AI agents to automate security workflows including bug identification and remediation. The platform integrates with MDASH and uses three types of agent teams.

Red teams simulate potential attacks and provide context about threat actors and likely vulnerabilities they might exploit. Blue teams detect and triage existing bugs, while green teams take corrective actions against identified vulnerabilities.

"We have MAI-1 Cyber Flash binded with GPT 5.4 inside of the MDASH harness — which beats out Gemini, GPT 5.5 Cyber, GPT 5.6 Sol, and Mythos 5 on Cyber Gym, which is the primary benchmark that we all use," said Mustafa Suleyman, CEO of Microsoft AI and co-founder of DeepMind.

Microsoft claims MAI-Cyber-1-Flash significantly outperforms competitor models on established AI cybersecurity benchmarks while being more cost-effective. The company is shipping the model into production immediately.

Why Microsoft's agentic approach matters

Hayete Gallot, Microsoft's vice president for security, positioned Perception as a response to hackers increasingly using AI in cyberattacks. The platform enables enterprise defenders to "defend against AI with AI at the scale and speed that the attackers have."

Dave Weston, lead engineer for Perception, described the platform as a massive efficiency upgrade for corporate security teams. The agentic approach automates workflows that traditionally required significant manual intervention from security analysts.

The launch puts Microsoft in direct competition with specialized cybersecurity AI startups and positions the company to capture enterprise security budgets as organizations face increasingly sophisticated AI-powered threats.