CTF will be back at BSidesSF 2025!

How to play?

Our 2025 CTF has not yet opened.

In the meantime, you can join us on Discord as we count down to 2025.

Questions? Email ctf [at] bsidessf.org.

CTF Resources

• Our entry on CTFtime
• CTF 101 blog post by Matir, BSidesSF CTF developer.
• RequestBin to receive requests.
• CyberChef for quick data processing in the browser.
• CTFtime for finding other CTFs to play.