Explore at your own pace.
Explore application security concepts, community projects, and educational materials.
picoCTF ↗Explore cybersecurity through challenges in an educational practice environment.
NIST Cybersecurity Framework ↗Explore a framework for thinking about and managing cybersecurity risk.
These links lead to independent organizations. Puzzled Hackers is not affiliated with them.
A few common questions.
Do I need cybersecurity experience?
Our mission includes professionals at every career stage. Individual activities may have prerequisites; those will be explained with the activity details.
Are events currently open for registration?
Our DEF CON 35 meetup is planned for Wednesday and Thursday evenings, August 4–5, 2027. Registration or RSVP requirements have not yet been announced. Visit the events page for current details, or email [email protected] with questions.
How can I support the mission?
Explore our get involved and partners pages for ways to contribute knowledge, time, space, or program support.
What does responsible practice mean?
Only test systems and work through challenges where you have explicit authorization. Respect the activity’s scope, other participants, and the privacy of others.