Also known as
  • IrisSec x ACM@UCM
  • Vitreous Body
  • cessiri


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Based primarily in the United States, we have members from multiple colleges, universities, and companies all across the country. We serve as a hub for educational, professional, and human connections for passionate hackers of all walks of life. We are the IrisSec Computer Hacking Club.

Participated in CTF events

Overall rating place: 65 with 211.401 pts in 2021

Country place: 14

PlaceEventCTF pointsRating points
12PBjar CTF '218701.00000.000*
199RaRCTF 2021720.00001.217
3UIUCTF 20218430.000026.137
66Google Capture The Flag 2021653.000011.457
39Lexington Informatics Tournament CTF 20213324.000010.393
30ENOWARS 512508.94733.662
7redpwnCTF 20215412.000023.520
15WeCTF 20215098.000016.082
26Cyber Apocalypse 202115300.000019.880
1HackPack CTF 20212935.000048.620
2X-MAS GTF 20218165.000022.496
42zer0pts CTF 2021897.00004.812
10Union CTF 20213040.000013.951
10DiceCTF 20212232.000014.138
360x41414141 CTF9534.00000.000
11BambooFox CTF 20212769.000015.119

Overall rating place: 275 with 106.644 pts in 2020

Country place: 41

PlaceEventCTF pointsRating points
3WeCTF 2020+5031.000028.317
30pbctf 2020820.00004.470
52HITCON CTF 2020703.000015.550
19Square CTF 2020901.000015.609
67ALLES! CTF 2020592.00003.263
29Hacker's Playground 2020469.00003.847
18PoseidonCTF 1st Edition2808.00008.692
39csictf 202013808.000014.997
7UIUCTF 20203410.000011.900

Team members

Team writeups

UIUCTF 2021SUPER [371]read writeup
UIUCTF 2021capture the :flag: [311]read writeup
UIUCTF 2021Tablet 2 [197]read writeup
UIUCTF 2021Tablet 1 [103]read writeup
UIUCTF 2021wasmcloud [500]read writeup
redpwnCTF 2021ret2the-unknown [108]read writeup
redpwnCTF 2021pickled-onions [177]read writeup
redpwnCTF 2021javaisez3 [481]read writeup
HackPack CTF 2021Rusty Chains [496]read writeup
HackPack CTF 2021Logme [465]read writeup
ALLES! CTF 2020Secret Notes [286]read writeup
UIUCTF 2020nookstop 2.0 [200]read writeup
UIUCTF 2020cricket32 [500]read writeup
UIUCTF 2020CalATMity [350]read writeup
UIUCTF 2020coelacanth_vault [300]read writeup
UIUCTF 2020Isabelle's Bad Opsec 5 [100]read writeup
UIUCTF 2020Isabelle's Bad Opsec 4 [100]read writeup
UIUCTF 2020Isabelle's Bad Opsec 3 [80]read writeup
UIUCTF 2020Isabelle's Bad Opsec 2 [40]read writeup
UIUCTF 2020Isabelle's Bad Opsec 1 [40]read writeup
UIUCTF 2020Starter OSINT [20]read writeup