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US Hash Slinging Hackers

Also known as
  • Hash_Slinging_Hackers
  • HSH
  • hashslinginghackers

Academic team California Polytechnic State University, San Luis Obispo

Website: https://cpsecurity.club/

Sign in to join the team.



The official CTF team of the Cal Poly Security Education Club at California Polytechnic State University, San Luis Obispo.
All active members are current students.

Participated in CTF events

Overall rating place: 955 with 53.252 pts in 2025

Country place: 88

PlaceEventCTF pointsRating points
268Nullcon Berlin HackIM 2025 CTF276.00001.193
186corCTF 2025250.00003.198
165NahamCon CTF 20253152.000011.007
105DamCTF 20251775.000014.196
47THCon 2K25 CTF1694.00004.898
2520Cyber Apocalypse CTF 2025: Tales from Eldoria4325.00001.830
240PwnMe CTF Quals 2025250.00000.745
217Kashi CTF 2025798.00001.608
136LA CTF 20253982.00008.725
183Nullcon Goa HackIM 2025 CTF451.00003.646
135x3CTF 2025 (feat. mvm)230.00001.037
187Srdnlen CTF 2025 Quals110.00000.912
90UofTCTF 20251438.00002.952

Overall rating place: 898 with 54.919 pts in 2024

Country place: 84

PlaceEventCTF pointsRating points
21BlueHens CTF 20245244.000011.530
187BuckeyeCTF 2024600.00004.120
367ångstromCTF 2024250.00004.338
139BSidesSF 2024 CTF1000.00000.000
168UMDCTF 20241198.00004.223
20SwampCTF 20243237.000021.303
115LA CTF 20245084.00006.863
100TetCTF 2024236.00002.542
PlaceEventCTF pointsRating points
227San Diego CTF 2023100.00001.029
200UMDCTF 20231070.00002.191
143BSidesSF CTF 2023300.00000.601
90DamCTF 2023978.00005.745
440KalmarCTF 2023200.00000.352
315LA CTF 20232124.00003.415
977DiceCTF 20231.00000.044
PlaceEventCTF pointsRating points
348San Diego CTF 2022150.00000.449
39PatriotCTF3346.00004.164
1070DiceCTF 20221.00000.027
PlaceEventCTF pointsRating points
154K3RN3LCTF500.00001.244
319DamCTF 2021772.00002.393
166Killer Queen CTF 20211559.00003.801
189BuckeyeCTF 2021201.00000.879
309DCTF 20211150.00000.000
19San Diego CTF 20212914.00000.000
338DEF CON CTF Qualifier 2021101.00002.585
108TAMUctf 2021650.00000.000
435Cyber Apocalypse 20214550.00005.690
483PlaidCTF 20211.00000.223
363RITSEC CTF 2021360.00000.000
710ångstromCTF 2021205.00001.554
347UTCTF 20211530.00001.580
227DiceCTF 2021226.00001.289
707justCTF [*] 202050.00000.340
285BambooFox CTF 20211.00000.089
PlaceEventCTF pointsRating points
94Hack For Troops150.00001.220
593KipodAfterFree CTF 20205.00000.067
288CyberYoddha CTF 20202635.00004.829
237Hack The Vote 20201.00000.110
433Hacktober CTF819.00002.318
168b01lers CTF bootcamp1120.00004.446
294Pwn2Win CTF 202050.00000.870
1112TJCTF 202015.00000.137
1296DEF CON CTF Qualifier 2020100.00001.401
410S㎩mAndFlags Uけimate w呎は屸de C㏊mᒆonship Teaser ꕫꕫ - ㎩㏚i㎄ Edition10.00000.097
536DawgCTF 2020595.00001.300
471Midnight Sun CTF 2020 Quals55.00000.572
179NeverLAN CTF 20202625.00002.645
630HackTM CTF Quals 202025.00000.097
375Insomni'hack teaser 202072.00001.865
PlaceEventCTF pointsRating points
392RITSEC CTF 2019331.00000.590
55TastelessCTF 2019155.00001.221
127Harekaze CTF 2019210.00001.826
101DEF CON CTF Qualifier 2019420.00007.116
309*CTF 201961.00000.207
486ASIS CTF Quals 201911.00000.245
1028ångstromCTF 201950.00000.234
201SwampCTF 2019196.00000.624
82UTCTF 20192600.00002.653
283NeverLAN CTF 20192445.00005.935
217Insomni'hack teaser 201951.00001.043

Overall rating place: 655 with 30.525 pts in 2018

Country place: 77

PlaceEventCTF pointsRating points
99Pwn2Win CTF 2018284.00002.162
237HITCON CTF 2018150.00002.188
2253picoCTF 20184110.00000.000
680Meepwn CTF Quals 2018100.00000.278
453Security Fest CTF51.00000.699
284DEF CON CTF Qualifier 2018205.00003.718
825PlaidCTF 20181.00000.127
443ASIS CTF Quals 201816.00000.274
76UIUCTF 2018202.00001.452
115N1CTF 2018384.00001.095
303Pragyan CTF 2018400.00000.956
80TAMUctf 183824.000014.731
1817EasyCTF IV80.00000.000
567SharifCTF 850.00000.596
85Insomni'hack teaser 2018179.00002.928

Overall rating place: 386 with 40.837 pts in 2017

Country place: 52

PlaceEventCTF pointsRating points
116TUCTF 20171226.00005.559
69HCTF 2017317.63001.025
492HITCON CTF 2017 Quals50.00000.760
65Pwn2Win CTF 2017569.00002.668
102Kaspersky Industrial CTF Quals 2017800.00002.401
185BackdoorCTF 2017100.00001.234
1025CSAW CTF Qualification Round 20171.00000.028
195ASIS CTF Finals 2017119.00001.152
342MeePwn CTF 1st 20171.00000.075
224Google Capture The Flag 2017 (Quals)149.00000.686
119April Fools' GTF 2017621.00000.000
3280CTF 2017 Quals45.00000.444
516Boston Key Party CTF 20171.00000.129
25BSides San Francisco CTF3278.000012.408
155Codegate 2017 prequals50.00000.689
98AlexCTF1790.000012.447
134Insomni'hack teaser 2017150.00001.184

Overall rating place: 759 with 13.294 pts in 2016

Country place: 75

PlaceEventCTF pointsRating points
531Hack The Vote 20161.00000.048
459CSAW CTF Qualification Round 2016176.00000.879
339IceCTF 20161026.00000.000
199DEF CON CTF Qualifier 201637.00001.041
100TU CTF 2016810.00003.521
81ASIS CTF Quals 2016276.00003.462
114Google Capture The Flag 2016890.00004.344
PlaceEventCTF pointsRating points
193HITCON CTF 2014206.00001.333
122ASIS CTF Quals 2014165.00001.060

Team members

Team writeups

EventTaskAction
UTCTF 2019[basic]reverse [100]read writeup
UTCTF 2019Low Sodium Bagel [300]read writeup
UTCTF 2019Regular Zips [600]read writeup
DEF CON CTF Qualifier 2018You Already Know [101]read writeup
AlexCTFSC2: Cutie Cat [150]read writeup
TU CTF 2016The Neverending Crypto [500]read writeup
ASIS CTF Quals 2016odrrere [166]read writeup
Google Capture The Flag 2016Opabina Regalis - Input Validation [100]read writeup
Google Capture The Flag 2016Opabina Regalis - Redirect [100]read writeup
Google Capture The Flag 2016Opabina Regalis - Downgrade Attack [100]read writeup