About Hacksplaining

Hacksplaining teaches software teams to write secure code by letting them break it first.

Every lesson puts you in the attacker’s seat. You exploit a real vulnerability, watch it work, then fix it — because knowing what an attack looks like from the inside is what makes the defense stick.

We are a small, US-based company. Our lessons are written and edited by published authors with more than a decade of experience teaching secure coding, and they are used by over 500,000 software builders in more than 30 countries.