Linked Questions

19 votes
5 answers
637 views

Sunshine CTF 2016 - 12 March 2016 at 16 pm UTC, lasts 28,5 hours

Let's participate at Sunshine CTF 2016. The CTF will begin on 12 March 2016 16:00 UTC and ends on 13 March 2016 20:30 UTC. As usual, we will play as team sec.se. The team communicates through the ...
HamZa's user avatar
  • 1,361
11 votes
8 answers
498 views

Write-ups: Hackover CTF 2018 | Fri, 05 Oct, 20:00 UTC — Sun, 07 Oct, 10:00 UTC (38h)

Let's participate in the Hackover CTF 2018! Hackover is a Jeopardy-style CTF and lasts 38 hours with ~100 participating teams announced. It's organized by the Hamburg CCC chapter in the context of ...
Arminius's user avatar
  • 44.9k
10 votes
3 answers
915 views

SIGINT CTF 2013 starts Friday 5 July 16:00 GMT (ended, including write-ups!)

Let's participate in the SIGINT CTF 2013 as team Sec.SE. During this years SIGINT in Cologne the CCCAC will hold it's second CTF. The competition is open to everyone and can be played online. ...
Gilles 'SO- stop being evil''s user avatar
9 votes
6 answers
567 views

DEF CON CTF 2013 qualifiers: 15–17 June (ended, including write-ups!)

DEF CON CTF 2013 qualifiers will start on Saturday, 15th of June 2013 at 00:00 UTC, and will last 48 hours until Sunday, 17th of June at 00:00 UTC (so midnight to midnight throughout the weekend). ...
TildalWave's user avatar
  • 10.8k
10 votes
4 answers
1k views

UFO CTF 2013: July 19-21, 2013, 18:00 (UTC+4) (ended, including write-ups!)

This is an announcement for the upcoming UFO CTF 2013 that starts on July 19th, 2013 at 18:00 (UTC+4) and lasts 48 hours. The CTF will be in a Jeopardy format. All members of our Sec.SE CTF Team mark ...
TildalWave's user avatar
  • 10.8k
7 votes
3 answers
259 views

Community Promotion Ads — 2019 [duplicate]

2019 is here! And with the new year, as usual, comes a new iteration of Community Promotion Ads! Let’s refresh these for the coming year :) What are Community Promotion Ads? Community Promotion Ads ...
JNat's user avatar
  • 101
7 votes
2 answers
488 views

Plaid CTF April 2013

Announced through Twitter, we got this April 2013 Plaid CTF update: Plaid CTF ‏@PlaidCTF Plaid CTF is delayed by 1 hour. It will now start at 22:00 UTC. Sorry!! Just to let you all know. ...
TildalWave's user avatar
  • 10.8k
12 votes
1 answer
993 views

SHA2017 CTF | Sat, 05 Aug, 10:00 – Sun, 06 Aug, 22:00 UTC

Let's participate in the SHA2017 CTF! SHA2017 a Jeopardy-style CTF running in the context of the SHA2017 hacker camp and lasts 36 hours. There are currently 100+ participating teams announced on ...
Arminius's user avatar
  • 44.9k
16 votes
1 answer
886 views

Write-ups: Teaser Dragon CTF 2018: Sa, 29 Sept. 2018, 12:00 UTC — So, 30 Sept. 2018, 12:00 UTC, lasts 24 hours

Let's participate in the Dragon CTF 2018 Teaser! The CTF runs Sa, 29 Sept. 2018, 12:00 UTC — So, 30 Sept. 2018, 12:00 UTC. You can find additional details on the CTFtime event page. Links to ...
Tom K.'s user avatar
  • 7,966
9 votes
2 answers
544 views

Insomni'hack 2016 Teaser CTF - 16 Jan. 2016 at 9 am UTC, lasts 36 hours

This is an announcement to interested parties that our CTF team intends to participate in Insomni'hack 2016 Teaser Catch The Flag (CTF) competition: Insomni'hack 2016 Teaser          When Saturday ...
TildalWave's user avatar
  • 10.8k
14 votes
2 answers
355 views

32C3 CTF - starts 27 dec 2015 at 20:00 UTC and lasts 48h

32C3 CTF will begin on 27 December 2015 20:00 UTC and ends on 29 december 2015 20:00 UTC. It's been a while since we participated. Let's play again as team Sec.SE. As usual, the team communicates ...
HamZa's user avatar
  • 1,361
14 votes
2 answers
332 views

Do we want regular security challenges?

I recently suggested in chat that we could organize recurring security challenges, similar to this proposal on RE.SE (thanks, @SYS_V). The idea is to periodically publish a security problem / puzzle ...
Arminius's user avatar
  • 44.9k
10 votes
1 answer
311 views

Boston Key Party CTF 2016 - 04 March 2016 at 22 pm UTC, lasts 48 hours

Let's participate at Boston Key Party CTF 2016. The CTF will begin on 04 March 2016 22:00 UTC and ends on 06 March 2016, 22:00 UTC. As usual, we will play as team sec.se. The team communicates ...
HamZa's user avatar
  • 1,361
10 votes
1 answer
347 views

Square CTF | 08 Nov. 2018, 19:00 UTC —14 Nov. 2018, 19:00 UTC

Let's participate in the Square CTF! Format: Jeopardy Duration: 6 days(!) Start: Thu, 2018-11-08 19:00 UTC (Other timezone) Finish: Mon, 2018-11-14 19:00 UTC (Other timezone) Official URL: http://...
Tom K.'s user avatar
  • 7,966
5 votes
2 answers
153 views

EBCTF Teaser 1st June midday UTC

The Eindblazen CTF Teaser has just started. I will be attempting a few of the challenges over the course of today. If anyone wants to help out, head over to the Sec.SE CTF team chat room. See the CTF ...
lynks's user avatar
  • 10.7k

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