What is the LHC?#

The LHC is a loose collective of people interested in hacking.

LHC began on /r/defcon as a way for people attending DEF CON on their own, to meet up with other like-minded people.

“LHC is what happens if LineCon exists forever” -Sethops

 

Check out our DEF CON guide, especially if you’re new!#

 

DEF CON 34#

Prepare for DEF CON 34 in August 2026 by checking our resources on con survival and tips from seasoned greybeards.

Community Room & Meetups — We have our own room on-site at DEF CON and invite you to stop by, hang out, and meet the community. Check back for updates on meetups as those tend to pop up shortly before DEF CON.

CTF — A community-run Capture the Flag competition held in the LHC room throughout the whole con for all skill levels.

Comms — Find our frequencies and get on the net.

Meshtastic Guide — Info on joining the DEF CON mesh network with your Meshtastic device.

Badge — LHC makes a custom hardware badge each year. Check out we built for 2025 while waiting. More info coming soon!

Resumes — Tips on writing a strong technical resume.

Resume Reviews — Free one-on-one resume reviews at DEF CON, by people who have actually hired technical teams.

Resources — Useful links and a reading list to level up your hacker skills.

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