Catch Promptfoo at Black Hat 2025 & DEF CON 33: Live LLM Hacks, Free Swag, Pool Party
Promptfoo is heading to hacker summer camp. Catch us at Black Hat USA and DEF CON 33 for live LLM hack sessions, technical deep-dives, and a pool-side meetup.
Black Hat AI Summit: Tuesday, August 5​
See us auto-red-team GPT-4.1 in under 30 seconds and learn how Fortune 500 teams eliminate LLM vulnerabilities before production.
- When: Tuesday, August 5, 2025, 9:00 AM - 5:00 PM
- Where: Mandalay Bay Convention Center, Las Vegas
- Highlights: Live vulnerability discovery across 15+ attack vectors
Black Hat Business Hall: August 6-7​
Stop by booth 4712 in the AI Zone Pavilion. We'll run hands-on demos every 30 minutes, showing how our open-source scanner finds issues manual testing misses.
CEO Talk: Breaking and Fixing LLMs at Scale​
CEO Ian Webster will showcase how leading enterprises use Promptfoo to ship LLMs faster and more securely, including a live breach and patch demo.
- When: Wednesday, August 6, 1:30 PM
- Where: AI Stage, Business Hall
Reserve a Demo Slot​
Arsenal Labs: Watch Us Break Things​
Our researchers will run the attacks that keep CISOs awake:
- Practical prompt injection
- Modern jailbreak chains
- Stealth data exfiltration
- Cross-model fuzzing on GPT-4.1, Claude 4, Llama 4
Schedule
| Day | Time | Location |
|---|---|---|
| Wed Aug 6 | 2:30 PM - 6:00 PM | Business Hall, Arsenal Station 1 |
| Thu Aug 7 | 10:00 AM - 1:00 PM | Business Hall, Arsenal Station 1 |
Bring your nastiest prompts. We'll test them live.
DEF CON 33 Expo: August 8-10​
Find the booth with a red panda mascot and the best security swag. Meet the team and maybe even get a t-shirt!
- Live demos of agent security testing
- Limited-run "My LLM Got Pwned at DEF CON" shirts
- Stickers that make your laptop feel 73% safer
Promptfoo Pool-Side Party​
Open bar, lightning talks, great networking. RSVP early, space is limited.
Join the Team​
Promptfoo powers security workflows for 125,000 developers and counting. Help us defend the next million.
- AI Red Team Engineer: Break LLMs all day (legally)
- Security Engineer: Ship tools that harden AI deployments
- Developer Advocate: Teach the world to hack responsibly
FAQ​
What is Promptfoo?
Promptfoo is an open-source LLM security scanner that finds prompt-level vulnerabilities before they reach users. Think Burp Suite for AI prompts, with enterprise integrations.
Where can I find you at Black Hat?
Booth 4712, AI Zone Pavilion, Mandalay Bay. Look for the red panda.
Do demos cost anything?
No. Just bring your toughest prompts and questions.
What should I bring to the booth?
Curiosity, challenging prompts, and an open mind about AI risk.