OpenAI acquires Promptfoo to embed AI red-teaming and security testing directly into its Frontier agent platform, signaling that agent safety is now table stakes.

OpenAI is acquiring Promptfoo, the AI red-teaming startup used by 125k developers and 30+ Fortune 500 firms, to strengthen ...

Promptfoo raised $18.4 million in a Series A round in July 2025 led by Insight Partners with participation from Andreessen Horowitz, according to the company’s own announcement. Promptfoo said at the ...

OpenAI has announced plans to acquire AI security platform Promptfoo to strengthen testing, safety, and evaluation tools for enterprise AI systems built on its Frontier platform.

OpenAI’s latest acquisition addresses a security need Jamieson O’Reilly, security advisor at OpenClaw, raised during an exclusive interview with Infosecurity ...

Founded in 2024, Promptfoo began as an open-source framework for evaluating AI prompts and model behavior. It later expanded into a commercial platform used by developers and enterprise security teams ...

Researchers warn that a newly identified open-source AI security testing platform called CyberStrikeAI was used by the same threat actor behind a recent campaign that breached hundreds of Fortinet ...

OpenAI is acquiring Promptfoo to strengthen AI agent security, adding enterprise testing tools for jailbreaks, prompt injections, data leaks, and governance.

CyberStrikeAI lowers the barrier to complex cyberattacks by combining AI orchestration, MCP integration, and more than 100 ...

AI-powered CyberStrikeAI linked to 600 FortiGate breaches in 55 countries, with 21 IPs tied to China-based infrastructure.

AI has turned security triage into 'terror reporting,' draining time, attention, and the 'will to live.' But, used right, it can help. Here's how.

As AI-assisted coding accelerates software development, security teams are facing a growing challenge managing expanding open-source dependencies and the vulnerabilities they introduce across ...