Skip to main content
Featured

Prompt Injection vs Jailbreaking: What's the Difference?

Michael D'Angelo · 8/18/2025

Learn the critical difference between prompt injection and jailbreaking attacks, with real CVEs, production defenses, and test configurations..

Prompt Injection vs Jailbreaking: What's the Difference?

Latest Posts

AI Safety vs AI Security in LLM Applications: What Teams Must Know

AI Safety vs AI Security in LLM Applications: What Teams Must Know

Michael D'Angelo · 8/17/2025

AI safety vs AI security for LLM apps.

Top 5 Open Source AI Red Teaming Tools in 2025

Top 5 Open Source AI Red Teaming Tools in 2025

Tabs Fakier · 8/14/2025

Compare the top open source AI red teaming tools in 2025.

Promptfoo Raises $18.4M Series A to Build the Definitive AI Security Stack

Promptfoo Raises $18.4M Series A to Build the Definitive AI Security Stack

Ian Webster · 7/29/2025

We raised $18.4M from Insight Partners with participation from Andreessen Horowitz.

Evaluating political bias in LLMs

Evaluating political bias in LLMs

Michael D'Angelo · 7/24/2025

How right-leaning is Grok? We've released a new testing methodology alongside a dataset of 2,500 political questions..

Join Promptfoo at Hacker Summer Camp 2025

Join Promptfoo at Hacker Summer Camp 2025

Vanessa Sauter · 7/24/2025

Join Promptfoo at AI Summit, Black Hat, and DEF CON for demos, workshops, and discussions on LLM security and red teaming.

AI Red Teaming for complete first-timers

AI Red Teaming for complete first-timers

Tabs Fakier · 7/22/2025

A comprehensive guide to AI red teaming for beginners, covering the basics, culture building, and operational feedback loops.

System Cards Go Hard

System Cards Go Hard

Tabs Fakier · 7/15/2025

Master LLM system cards for responsible AI deployment with transparency, safety documentation, and compliance requirements.

The Promptfoo MCP Proxy: Enterprise MCP Security

The Promptfoo MCP Proxy: Enterprise MCP Security

Steven Klein · 7/14/2025

Learn about the security risks introduced by MCP servers and how to mitigate them using the Promptfoo MCP Proxy, an enterprise solution for MCP security..

OWASP Top 10 LLM Security Risks (2025) – 5-Minute TLDR

OWASP Top 10 LLM Security Risks (2025) – 5-Minute TLDR

Tabs Fakier · 7/14/2025

Master OWASP Top 10 LLM security vulnerabilities with practical mitigation strategies in this comprehensive 2025 guide.