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**TheCotMan** · October 27, 2016, 15:54

Originally posted by cybersec View Post

Hey there guys,

I'm looking for some practice CTFs that I can compete in as a warm up for DEFCON 25 and the (hopeful return of) openCTF. I've googled around a bit but most of the ones I've found are either over or have shut down their websites/CTFs.

If anyone knows of some CTFs around the web or has a mailing list I could follow to be notified about new ones, that would be awesome.

Thanks!

I did not know the answer to this question, and answers to this question would be really helpful. I abused my authority and I asked on twitter, and here are some responses with URL/Links:

URL1=https://twitter.com/Mrtn9/status/791750062099554304

Originally posted by URL1

Mrtn @Mrtn
@TCMBC @DEFCON I guess https://ctftime.org/ is a good fit here.

A google seach of ("Hacker" or "Security") and "CTF" and ("walkthrough" or "walk-through") might be good: Some teams have historically put up walk-through for CTF and CTF qualifiers to brag and share knowledge. Such walk-through may be useful, as you can see a question/issue, then try to solve it, and if you get stuck, see their solution for hints.

URL2=https://twitter.com/l_zzi_/status/791765059257012224

Originally posted by URL2

lizzie ‏@l_zzi_
@TCMBC @DEFCON http://fuzyll.com/2016/the-defcon-ctf-vm/

URL3=https://twitter.com/SynAckPwn/status/791802989791117313

Originally posted by URL3

@TCMBC @DEFCON everything from @VulnHub http://www.vulnhub.com While not traditional CTF it'll help you practice at your own pace

URL4=https://twitter.com/heidark/status/791908838391836672

Originally posted by URL4

@heidark
@TCMBC @DEFCON https://github.com/ctfs http://captf.com/ http://shell-storm.org/repo/CTF/

(I'll edit this post if more responses with more links are provided as a response to the question.)