ZERODAY CLOUD: Cloud Hacking Competition.
Wiz Research is calling the world's top security researchers: test your skills, make a difference, and help shape the future of cloud security. Join this first-of-its-kind cloud and AI hacking competition and find zero-day vulnerabilities in core open-source software powering the cloud. There's a prize pool of up to $5M, partner support from AWS, Google Cloud, and Microsoft, and the chance to demonstrate your exploit live on stage at Black Hat Europe, December 10-11, 2025.
Learn more here.

ZERODAY CLOUD: Operation Cloudfall

Live CTF Challenge - $20,000 in prizes
Participate in Operation Cloudfall, a live Capture the Flag (CTF) event during Black Hat Europe & ZeroDay.Cloud, Dec 10–11.

Here's what you need to know:

• Two challenge tracks: Cloud & Web and Pwn & Reversing
• In-person only — participation requires venue access with a Black Hat Business Hall Pass

Learn more here.