Starts in...

Join the Discord! Also check out the rules and prizes!


Card image cap

Zellic hires top CTF talent and applies them to the world's most critical security problems. We specialize in securing blockchain companies and smart contract protocols. Zellic is led by Stephen Tong and Jasraj Bedi who previously founded perfect blue, the #1 CTF team in 2020 and 2021.

Learn More!
Vector35 Logo

Binary Ninja is an interactive decompiler, disassembler, debugger, and binary analysis platform built by reverse engineers, for reverse engineers. Binary Ninja is actively used by malware analysts, vulnerability researchers, and software developers worldwide.

Learn more!
Card image cap
Trail of Bits

Trail of Bits helps secure the world's most targeted organizations and products. We combine high-end security research with a real-world attacker mentality to reduce risk and fortify code.

Learn more!
no starch press logo
no starch press

San Francisco-based No Starch Press publishes the finest in geek entertainment. We focus on computer programming, security, hacking, alternative operating systems, STEM, and LEGO. Our titles have personality, our authors are passionate, and we read and edit everything we publish.

Learn more!
Card image cap
Google Cloud

Meet your business challenges head on with cloud computing services from Google, including data management, hybrid & multi-cloud, and AI & ML. Infra sponsored by

Learn more!
Card image cap

Ocule is a fraud prevention and bot management solution that ensures your website is well protected from attackers. We employ state of the art technology to detect bots in real-time and allow you to choose how to deal with them.

Learn more!


Open Divison

1st place: $750 + 3 x $20 no starch press e-book vouchers

2nd place: $500 + 2 x $20 no starch press e-book vouchers

3rd place: $250

Collegiate Division

1st place: $750 + 3 x $20 no starch press e-book vouchers + 3 x Binary Ninja Personal Licenses

2nd place: $500 + 2 x $20 no starch press e-book vouchers + 2 x Binary Ninja Personal Licenses

3rd place: $250 + 1 Binary Ninja Personal License


Best Binary Ninja Writeup: 1 Personal Binary Ninja License

All participants: 30% off at using the code UMDCTF23 (from Apr 28–May 14)