Promptfoo is an AI security testing platform that supports over 100,000 developers in creating secure and reliable AI applications. Backed by Andreessen Horowitz, Promptfoo serves large enterprises with solutions including automated red teaming, vulnerability scanning, and continuous monitoring tailored for LLM-based systems. The platform addresses the unique security challenges posed by AI technology, allowing organizations to adapt and enhance their security measures effectively. With a focus on community engagement and collaboration, Promptfoo emphasizes the importance of maintaining high security standards in an evolving technological landscape.