Name: S.H.E.L.L. CTF
Date: 05 June, 06:30 UTC — 07 June 2021, 06:30 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/1362
Date: 05 June, 06:30 UTC — 07 June 2021, 06:30 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/1362
ctftime.org
S.H.E.L.L. CTF
A beginner-friendly CTF with an objective to get the enthusiastic students familiar with the basics, along with a few...
Name: Circle City Con CTF 2021
Date: 11 June, 16:00 UTC — 13 June 2021, 19:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 1 teams will participate
More info: https://ctftime.org/event/1350
Date: 11 June, 16:00 UTC — 13 June 2021, 19:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 1 teams will participate
More info: https://ctftime.org/event/1350
ctftime.org
Circle City Con CTF 2021
Registration is now available at https://ctf.circlecitycon.com!
Circle City Con 8.0 is Indianapolis' premiere cybe...
Circle City Con 8.0 is Indianapolis' premiere cybe...
Name: FAUST CTF 2021
Date: 12 June, 13:00 UTC — 12 June 2021, 22:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 100.00
Notes: 18 teams will participate
More info: https://ctftime.org/event/1292
Date: 12 June, 13:00 UTC — 12 June 2021, 22:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 100.00
Notes: 18 teams will participate
More info: https://ctftime.org/event/1292
ctftime.org
FAUST CTF 2021
Classic online attack-defense CTF. Each team will be given a Vulnbox image to host itself and VPN access. You will ru...
Name: HSCTF 8
Date: 14 June, 12:00 UTC — 19 June 2021, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 24.50
Notes: 28 teams will participate
More info: https://ctftime.org/event/1264
Date: 14 June, 12:00 UTC — 19 June 2021, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 24.50
Notes: 28 teams will participate
More info: https://ctftime.org/event/1264
ctftime.org
HSCTF 8
The first ever CTF run entirely by high schoolers!
Infra sponsored by g.co/cloud
Hey everyone,
Unfortunate...
Infra sponsored by g.co/cloud
Hey everyone,
Unfortunate...
Name: The Threat Interceptors Challenge
Date: 14 June, 15:00 UTC — 16 June 2021, 15:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 3 teams will participate
More info: https://ctftime.org/event/1345
Date: 14 June, 15:00 UTC — 16 June 2021, 15:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 3 teams will participate
More info: https://ctftime.org/event/1345
ctftime.org
The Threat Interceptors Challenge
The Threat Interceptors Challenge will consist of a threat hunting scenario with various objectives. Your challenge a...
Name: CTF InterIUT 2021
Date: 18 June, 20:00 UTC — 19 June 2021, 23:59 UTC
Format: Jeopardy
Location: On-line
Weight: 22.62
Notes: 3 teams will participate
More info: https://ctftime.org/event/1337
Date: 18 June, 20:00 UTC — 19 June 2021, 23:59 UTC
Format: Jeopardy
Location: On-line
Weight: 22.62
Notes: 3 teams will participate
More info: https://ctftime.org/event/1337
ctftime.org
CTF InterIUT 2021
A beginner/medium CTF made by students from Hack2g2.
The fifth edition will accept teams of 4 person each. Only th...
The fifth edition will accept teams of 4 person each. Only th...
Name: WeCTF 2021
Date: 19 June, 17:00 UTC — 20 June 2021, 17:00 UTC
Format: Jeopardy
Location: On-line
Weight: 25.00
Notes: 13 teams will participate
More info: https://ctftime.org/event/1231
Date: 19 June, 17:00 UTC — 20 June 2021, 17:00 UTC
Format: Jeopardy
Location: On-line
Weight: 25.00
Notes: 13 teams will participate
More info: https://ctftime.org/event/1231
ctftime.org
WeCTF 2021
WeCTF is a Web-only CTF that has both intro-level challenges and diabolical ones.
Infra sponsored by g.co/cloud
Infra sponsored by g.co/cloud
Name: RuCTF 2021
Date: 20 June, 10:00 UTC — 20 June 2021, 19:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 0.00
Notes: 15 teams will participate
More info: https://ctftime.org/event/1297
Date: 20 June, 10:00 UTC — 20 June 2021, 19:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 0.00
Notes: 15 teams will participate
More info: https://ctftime.org/event/1297
ctftime.org
RuCTF 2021
We would like to invite teams that participated in RuCTFE competitions in 2019 and 2020, so it's going to be a really...
Name: CTFZone 2021
Date: 26 June, 10:00 UTC — 26 June 2021, 20:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 0.00
Notes: 3 teams will participate
More info: https://ctftime.org/event/1328
Date: 26 June, 10:00 UTC — 26 June 2021, 20:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 0.00
Notes: 3 teams will participate
More info: https://ctftime.org/event/1328
ctftime.org
CTFZone 2021
We are happy to announce Final Online Stage of CTFZone 2021. Competitions will take place on June 26.
Aggressive b...
Aggressive b...
Name: Hack-A-Sat 2 Qualifiers
Date: 26 June, 14:00 UTC — 27 June 2021, 20:00 UTC
Format: Jeopardy
Location: On-line
Weight: 25.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/1365
Date: 26 June, 14:00 UTC — 27 June 2021, 20:00 UTC
Format: Jeopardy
Location: On-line
Weight: 25.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/1365
ctftime.org
Hack-A-Sat 2 Qualifiers
The United States Air Force and United States Space Force jointly present this year’s Hack-A-Sat, which is open to al...
Name: 0CTF/TCTF 2021 Quals
Date: 03 July, 02:00 UTC — 05 July 2021, 02:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/1356
Date: 03 July, 02:00 UTC — 05 July 2021, 02:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/1356
ctftime.org
0CTF/TCTF 2021 Quals
This is an online jeopardy-style CTF organized by 0ops and Tencent eee. We welcome CTF players all over the world!
Name: redpwnCTF 2021
Date: 09 July, 19:00 UTC — 12 July 2021, 19:00 UTC
Format: Jeopardy
Location: On-line
Weight: 32.61
Notes: 14 teams will participate
More info: https://ctftime.org/event/1327
Date: 09 July, 19:00 UTC — 12 July 2021, 19:00 UTC
Format: Jeopardy
Location: On-line
Weight: 32.61
Notes: 14 teams will participate
More info: https://ctftime.org/event/1327
ctftime.org
redpwnCTF 2021
Register for redpwnCTF at: https://2021.redpwn.net
For more information about redpwnCTF, visit: https://ctf.redpwn...
For more information about redpwnCTF, visit: https://ctf.redpwn...
Name: ENOWARS 5
Date: 10 July, 12:00 UTC — 11 July 2021, 22:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 44.33
Notes: 8 teams will participate
More info: https://ctftime.org/event/1340
Date: 10 July, 12:00 UTC — 11 July 2021, 22:00 UTC
Format: Attack-Defense
Location: On-line
Weight: 44.33
Notes: 8 teams will participate
More info: https://ctftime.org/event/1340
ctftime.org
ENOWARS 5
The 5th installation of the epic ENOWARS trilogy!
More Details TBA.
More Details TBA.
Name: Google Capture The Flag 2021
Date: 17 July, 00:00 UTC — 18 July 2021, 23:59 UTC
Format: Jeopardy
Location: On-line
Weight: 99.22
Notes: 62 teams will participate
More info: https://ctftime.org/event/1318
Date: 17 July, 00:00 UTC — 18 July 2021, 23:59 UTC
Format: Jeopardy
Location: On-line
Weight: 99.22
Notes: 62 teams will participate
More info: https://ctftime.org/event/1318
ctftime.org
Google Capture The Flag 2021
categories: web, pwn, crypto, reversing, hardware, misc
There will be a beginners quest at a later date, but not d...
There will be a beginners quest at a later date, but not d...
Name: CyBRICS CTF 2021
Date: 24 July, 10:00 UTC — 25 July 2021, 10:00 UTC
Format: Jeopardy
Location: On-line
Weight: 33.32
Notes: 6 teams will participate
More info: https://ctftime.org/event/1306
Date: 24 July, 10:00 UTC — 25 July 2021, 10:00 UTC
Format: Jeopardy
Location: On-line
Weight: 33.32
Notes: 6 teams will participate
More info: https://ctftime.org/event/1306
ctftime.org
CyBRICS CTF 2021
CyBRICS is an open event organized by SPbCTF (members from <a href="https://ctftime.org/team/1005">LC↯BC / MSLC</a>, ...
Name: Crypto CTF 2021
Date: 30 July, 16:00 UTC — 31 July 2021, 16:00 UTC
Format: Jeopardy
Location: On-line
Weight: 36.00
Notes: 25 teams will participate
More info: https://ctftime.org/event/1258
Date: 30 July, 16:00 UTC — 31 July 2021, 16:00 UTC
Format: Jeopardy
Location: On-line
Weight: 36.00
Notes: 25 teams will participate
More info: https://ctftime.org/event/1258
ctftime.org
Crypto CTF 2021
Crypto CTF is an online competition for hackers to test, evaluate, and expand their cryptography exploiting skills. I...
Name: RaRCTF 2021
Date: 06 Aug., 17:00 UTC — 09 Aug. 2021, 17:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/1342
Date: 06 Aug., 17:00 UTC — 09 Aug. 2021, 17:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 0 teams will participate
More info: https://ctftime.org/event/1342
ctftime.org
RaRCTF 2021
The first CTF hosted by The WinRaRs. Registration open now at https://ctf.rars.win/register. Join our discord at http...
Name: TSG CTF 2021
Date: 07 Aug., 07:00 UTC — 08 Aug. 2021, 07:00 UTC
Format: Jeopardy
Location: On-line
Weight: 34.80
Notes: 1 teams will participate
More info: https://ctftime.org/event/1351
Date: 07 Aug., 07:00 UTC — 08 Aug. 2021, 07:00 UTC
Format: Jeopardy
Location: On-line
Weight: 34.80
Notes: 1 teams will participate
More info: https://ctftime.org/event/1351
ctftime.org
~~TSG CTF 2021~~ (postponed)
TBA
Name: Really Awesome CTF 2021
Date: 13 Aug., 19:00 UTC — 16 Aug. 2021, 19:00 UTC
Format: Jeopardy
Location: On-line
Weight: 23.49
Notes: 3 teams will participate
More info: https://ctftime.org/event/1354
Date: 13 Aug., 19:00 UTC — 16 Aug. 2021, 19:00 UTC
Format: Jeopardy
Location: On-line
Weight: 23.49
Notes: 3 teams will participate
More info: https://ctftime.org/event/1354
ctftime.org
Really Awesome CTF 2021
Following the success of 2020, RACTF (Really Awesome Capture-The-Flag) is back for a second year with one goal; to be...
Name: corCTF 2021
Date: 21 Aug., 00:00 UTC — 23 Aug. 2021, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 1 teams will participate
More info: https://ctftime.org/event/1364
Date: 21 Aug., 00:00 UTC — 23 Aug. 2021, 00:00 UTC
Format: Jeopardy
Location: On-line
Weight: 0.00
Notes: 1 teams will participate
More info: https://ctftime.org/event/1364
ctftime.org
corCTF 2021
The first CTF organized by the Crusaders of Rust (aka Starrust Crusaders), an American and European collegiate team. ...