Cyber security firm joins several other companies as part of AI giant’s plan to integrate GPT-5.5 into managed security workflows.
Proofpoint has joined OpenAI's Daybreak Cyber Partner Program, a new initiative designed to help cyber security vendors incorporate advanced artificial intelligence capabilities into defensive security operations.
The company joins cyber security firms Darktrace and Tenable, which also announced signing up to OpenAI’s project in the past week.
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The partnership will allow Proofpoint to integrate GPT-5.5 into its managed products, services and security workflows, supporting tasks such as threat investigation, incident response and intelligence analysis without providing customers with direct access to OpenAI's underlying models.
Under the program, Proofpoint and other partners will work with OpenAI to apply AI across a range of security workflows, including alert enrichment, threat analysis, incident triage and managed security operations. The company said the technology could help analysts investigate threats more quickly, prioritise risks more effectively and scale defensive operations.
“Organisations are looking for practical ways to apply AI to strengthen cyber defence while maintaining strong governance and safety controls,” Ryan Kalember, chief strategy officer at Proofpoint, said in a June 24 statement.
“By incorporating GPT-5.5 into Proofpoint's products, services, and AI-powered security workflows, we can help security teams improve threat investigation, decision-making, and efficiency as they protect their people, data, and AI agents.”
The company also plans to expand capabilities within Satori, its agentic AI platform designed to automate security tasks and reduce operational workloads for security teams. Proofpoint currently uses OpenAI models within Satori and said GPT-5.5 could enable additional functionality as the platform evolves.
Beyond product integration, the companies will collaborate on best practices for AI governance, monitoring, safety controls and abuse prevention. The stated goal is to ensure AI strengthens defensive cyber capabilities while maintaining accountability and reducing the risk of misuse.
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David Hollingworth
David Hollingworth has been writing about technology for over 20 years, and has worked for a range of print and online titles in his career. He is enjoying getting to grips with cyber security, especially when it lets him talk about Lego.