DEF CON 34  ·  Telecom Village  ·  Aug 6–9

Workshop. CTF. Your Own Live 5G Core.

Know the attack. Know what to defend. See cellular networks through an attacker's eyes — from 2G to 5G SA. Try in simulation. Prove it in a live CTF: access subscriber data, extract authentication keys, and enumerate an Open5GS core. Free. No prior experience needed.

Get started  →
Free  ·  Email sign-in, no password  ·  60 seconds
Your email is only used to send your sign-in code and to contact you if you win a prize. Disposable addresses fine — mail.tm, temp-mail.org stay active several days.
5
Real attack paths
900
Total points
60s
To your WG config
13
Network Functions. Your own. NRF · UDR · UDM · AMF · SMF · PCF · NSSF + more — live Open5GS 5G SA core
CTF
Hack a live 5G core. Find the flags.
1 2 3 4 5 5 challenges · 900 pts · MITRE FiGHT mapped
NRF Enumeration Credential Theft Slice Census Ghost Session Subscriber Harvest
Enter the CTF →
Workshop
Learn to hack. No experience needed.
Cellular basics → 5G architecture → Live CTF
Start workshop →
Prizes
🍓 Raspberry Pis
Top scorers on the leaderboard. Winners contacted by email.
player@jumpbox — wg0: 10.99.x.x — your dedicated 5G core
$ wg show wg0 endpoint: wg.telcobreak.com:51820 latest handshake: 3 seconds ago transfer: 1.2 KiB received, 892 B sent $ ssh -i player_key player@jumpbox Welcome to TelcoBreak CTF · DEF CON 34 5G SA core running · 13 NFs active Your isolated environment is ready. player@jumpbox:~$ ▋
CTF — 5 challenges · 900 pts: CH1 Service Catalog 100 pts CH2 Credential Theft 200 pts CH3 Slice Census 150 pts CH4 Ghost Session 200 pts CH5 Subscriber Harvest 250 pts Workshop — 2G · 3G · 4G · 5G SA: Architecture · Auth · SBI · NFs Attack paths · Real-world impact
DEF CON 34 Aug 6–9, 2026 · Las Vegas, NV
Telecom Village LVCC West Hall · 3150 Paradise Rd
Free to enter Workshop + CTF included
Get started →