I like to participate in Capture The Flag events; computer security/hacking competitions which generally consist of participants breaking, investigating, reverse engineering and doing anything they can think of to reach the end goal; the flag, which is usually a specific string of text.
 |
 |
|---|---|
| hxr64 (Helena) | ysje (Saskia) |
For a list of upcoming events and more writeups, see CTFtime.
For a collection of links and resources for CTFs, see here
| CTF | link |
|---|---|
| ABCTF | 2016 |
| adCTF | 2014 |
| Advent of Code | 2017 |
| Angstrom CTF | 2016 |
| CCTF | 2016 |
| easyCTF | 2015 |
| HackTheVote | 2016 |
| Hacky Easter | 2015 2016 2017 2018 |
| Hackvent | 2014 2015 2016 2017 |
| IceCTF | 2016 2018 |
| PicoCTF | 2017 2018 |
| poliCTF | 2017 |
| Pragyan | 2016 |
| TAMUCTF | 2017 |
Some permanent CTF challenges I'd recommend are:
- OverTheWire
- SmashTheStack
- DareYourMind (the one that got me hooked on CTFs way back when :) )
- WeChall (aggregates scores from various permanent CTF challenge sites)
- Comprehensive list of CTF sites from WeChall website
and another list of permanent CTFs is here: http://captf.com/practice-ctf/