Featured in Insight Partners' ScaleUp:AI 2025 Partner Series. CEO Ian Webster shares how Promptfoo is defining the standard for enterprise AI security.
"AI is underhyped. The software industry looks so different five to ten years from now."
Key Takeaways
Insights from the ScaleUp:AI feature
Closing the Security Gap
Traditional cybersecurity tools were built for predictable software. LLMs operate in natural language—attackers can manipulate them simply by talking to them.
Machines Testing Machines
Promptfoo's AI models behave like attackers, red teaming applications through chat interfaces and APIs to uncover vulnerabilities before deployment.
Rapid Adoption
As featured by Insight Partners: 200,000+ developers and 80+ Fortune 500 companies use Promptfoo, backed by an $18.4M Series A led by Insight.
Future of AI Security
As AI systems evolve into autonomous multi-agent systems, observability and continuous security testing become critical for enterprise deployments.
From the Article
Why AI security matters now
The Problem
"Old-school defenses aren't reliable because they're designed to read code, not conversation." Traditional security can't protect systems that operate in natural language.
The Origin
Ian Webster built the first version of Promptfoo while leading AI products at Discord—shipping to 200 million users taught him "all of the wonderful things, and also the terrible things" that follow.
The Urgency
"Global 2000 companies are going to be buying or making decisions in the AI security space in the next 12 months. There's no time to lose."
The Vision
"If we want to see a world where AI really benefits people and companies, we need to put those tools in the hands of developers." Building AI that's intelligent and accountable.
About ScaleUp:AI
ScaleUp:AI is Insight Partners' premier content series highlighting insights from the companies and leaders shaping the future of AI. As a global software investor and operational partner, Insight Partners has backed many of the world's most transformative technology companies.
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