OpenAI to Acquire AI Security Startup Promptfoo

Specifically, OpenAI will use Promptfoo to enhance its Frontier platform with automated security testing and red-teaming capabilities, integration of security into development workflows, and the addition of reporting and traceability features.Promptfoo also provides an open source CLI and library for testing LLM applications. OpenAI said it will continue to improve the open source project.SecurityWeek tracked 426 M&A dealsin 2025, including 13 involving AI companies, up from eight deals in 2024.Related:Cybersecurity M&A Roundup: 42 Deals Announced in February 2026Related:Zurich Acquires Beazley in $11 Billion Deal to Lead CyberinsuranceRelated:Palo Alto Networks to Acquire Koi in Reported $400 Million Transaction

Promptfoo also provides an open source CLI and library for testing LLM applications. OpenAI said it will continue to improve the open source project.SecurityWeek tracked 426 M&A dealsin 2025, including 13 involving AI companies, up from eight deals in 2024.Related:Cybersecurity M&A Roundup: 42 Deals Announced in February 2026Related:Zurich Acquires Beazley in $11 Billion Deal to Lead CyberinsuranceRelated:Palo Alto Networks to Acquire Koi in Reported $400 Million Transaction

SecurityWeek tracked 426 M&A dealsin 2025, including 13 involving AI companies, up from eight deals in 2024.Related:Cybersecurity M&A Roundup: 42 Deals Announced in February 2026Related:Zurich Acquires Beazley in $11 Billion Deal to Lead CyberinsuranceRelated:Palo Alto Networks to Acquire Koi in Reported $400 Million Transaction

Related:Cybersecurity M&A Roundup: 42 Deals Announced in February 2026Related:Zurich Acquires Beazley in $11 Billion Deal to Lead CyberinsuranceRelated:Palo Alto Networks to Acquire Koi in Reported $400 Million Transaction

Related:Zurich Acquires Beazley in $11 Billion Deal to Lead CyberinsuranceRelated:Palo Alto Networks to Acquire Koi in Reported $400 Million Transaction

Related:Palo Alto Networks to Acquire Koi in Reported $400 Million Transaction

Eduard Kovacs (@EduardKovacs) is senior managing editor at SecurityWeek. He worked as a high school IT teacher before starting a career in journalism in 2011. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering.

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Source: SecurityWeek