DEF CON CTF qualifications will be held from UTC Midnight at the start of May 16, 2015, to UTC Midnight at the end of May 17, 2015. Forty-eight hours total.
| Competition | Start Date | End Date | Link | Notes |
|---|---|---|---|---|
| DEF CON CTF 2014 | May 17, 2014 | Aug. 10, 2014 | https://legitbs.net/2014/ | Qualified the Plaid Parliament of Pwning |
| SECCON CTF 2014 | Dec. 12, 2014 | Feb. 8, 2015 | http://ctf.seccon.jp/timeline.html | Qualifications round finished, finals in February 2015. |
| RuCTFE 2014 | Dec. 20, 2014 | Dec. 20, 2014 | http://ructf.org/e/2014/ | Finished. |
| Ghost in the Shellcode | Jan. 16, 2015 | Jan. 18, 2015 | http://ghostintheshellcode.com/ | Finished. |
| Boston Key Party | Feb. 27, 2015 | Mar. 1, 2015 | http://bostonkeyparty.net | Online jeopardy style game. |
| PlaidCTF | Apr. 17, 2015 | Apr. 19, 2015 | http://www.plaidctf.com/ | Online jeopardy style game. |
| DEF CON CTF Qualifiers 2015 | May 16, 2015 | May 17, 2015 | https://legitbs.net/ | Online jeopardy style, more announcements in 2015. |
Thanks to skolor for the reminder to update this.