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# CTF Related Pages
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**List of pages in this category:**
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## Writeups
* [DEF CON 18 oCTF 2speed](/DC18-oCTF-2speed)
* [DEF CON 18 oCTF 2speed-local-root](/DC18-oCTF-2speed-local-root)
* [DEF CON 18 oCTF f100](/DC18-oCTF-f100)
* [DEF CON 18 oCTF f200](/DC18-oCTF-f200)
* [DEF CON 18 oCTF f300](/DC18-oCTF-f300)
* [DEF CON 18 oCTF f400](/DC18-oCTF-f400)
* [Breaking Vigenere Ciphers](/BreakingVigenereCiphers)
* [Neg9.org](https://neg9.org/)
* [OpenCTF 2016](https://github.com/Javantea/openctf-2016-writeups)
* [OpenCTF repo](https://github.com/openctf/)
## Events
* [DEF CON CTF](/Defcon-CTF)
* [PlaidCTF 2013](/PlaidCTF2013)
## Notes
* [List of tools for CTF](/CTFTools) (old)