Capture the Flag

@captn3m0

@captn3m0

• Software Developer @Razorpay
• IIT Roorkee
• Part of @SDSLabs CTF Team
  • Highest ranked Indian team
• Web Security Researcher
• Presented @nullcon '14

Doing >
Learning >
Reading

CTF? WTF?

Capture the Flag (CTF) is a special kind of information security competitions.

CTF games often touch on many other aspects of information security: cryptography, stego, binary analysis, reverse engineering, mobile security and others.

https://ctftime.org/ctf-wtf/

DEF CON

ctftime.org

challenges?

lets do a challenge

Link: Layers of Disguise

(400) points challenge at Deloitte CCTC 3

Another one?

LHC

Medium Web Challenge (100)

BackdoorCTF 15

Participating in CTFs

1. Create a team
2. Find a CTF
3. Sit together and play

REPEAT

Best Practices

and some advice

Know your team

Specialize!

Keep Participating

https://www.reddit.com/r/securityCTF

https://ctftime.org/event/list/upcoming

The more you participating in CTFs, the better you get.

Team Composition