Sat, 22 March 2025, 09:30 UTC — Sat, 22 March 2025, 17:00 UTC 
On-site
Dublin, Ireland
A ZeroDays CTF event.
Format: Jeopardy 
Official URL: http://www.zerodays.ie/
This event's future weight is subject of public voting!
Event organizers
ZeroDays is Ireland's largest CTF. Running since 2015, it has grown to be the largest on-site, one-day CTF in the world. In 2024 over 130 teams of four competed with over 500 competitors in total. The event has three categories for Irish colleges, International teams and an Open section for any team to enter.
International competitors welcome. Expect a wide range of challenges suitable for all skill levels; plenty of easy challenges for newer players and some extremely difficult challenges for more experienced players.
International teams can purchase a ticket here: https://www.eventbrite.ie/e/zerodays-ctf-2025-10th-anniversary-tickets-1130688773559
The CTF will take place in Croke Park on the 22nd of March. For more details see our website.
Prizes are awarded to the top 3 players in each category (INTERNATIONAL, COLLEGE + OPEN).
Thousands of euro worth of prizes including laptops, tablets, drones etc.
Prizes for 1st, 2nd and 3rd place in each of our Colleges, International and Open sections, as well as spot prizes throughout the day.
Further details TBC.
120 teams total
| Place | Team | CTF points | Rating points | |
|---|---|---|---|---|
| 1 | ECSC Slovak Cyber Team | 17735.000 | 50.000 | |
| 2 | UK Cyber Team: Elite | 16469.000 | 35.715 | |
| 3 | Hacking4Jesus | 15706.000 | 30.473 | |
| 4 | UK Cyber Team: Discovery | 15160.000 | 27.620 | |
| 5 | PógMoPwn | 15130.000 | 26.328 | |
| 6 | 0-Day Aarhus | 14596.000 | 24.742 | |
| 7 | SETU - LOKI | 14353.000 | 23.804 | |
| 8 | freeflags.site | 13407.000 | 22.024 | |
| 9 | The Church of Emacs | 12877.000 | 20.930 | |
| 10 | cat | 12695.000 | 20.395 | |
| 11 | UK Cyber Team 3 | 12214.000 | 19.490 | |
| 12 | 1-Day Aarhus | 11200.000 | 17.871 | |
| 13 | Fr Jack's Drinking Buddies | 10618.000 | 16.891 | |
| 14 | PwnHub | 10107.000 | 16.033 | |
| 15 | i forgor | 9181.000 | 14.609 | |
| 16 | [object Object] | 8786.000 | 13.948 | |
| 17 | Ah, ya wouldn't hack a bishop? | 8684.000 | 13.712 | |
| 18 | Jukebox | 8619.000 | 13.539 | |
| 19 | Grey Hat | 8521.000 | 13.327 | |
| 20 | Jack Hack-ett | 8354.000 | 13.026 | |
| 21 | I shot JR | 7971.000 | 12.427 | |
| 22 | Whiskey Overflow | 7866.000 | 12.225 | |
| 23 | AhGoWan | 7770.000 | 12.040 | |
| 24 | The Cakejumpers | 7761.000 | 11.982 | |
| 25 | Bandito | 7719.000 | 11.881 | |
| 26 | Hear You're a Root User Now, Father! | 7449.000 | 11.462 | |
| 27 | SETU - ATTU | 7442.000 | 11.416 | |
| 28 | Thr34tSh4de | 7018.000 | 10.786 | |
| 29 | Cypherhack | 6888.000 | 10.572 | |
| 30 | Who let that Gobshite on the CTF Team? | 6660.000 | 10.222 | |
| 31 | Mrs.Dolyes Crúiscíní | 6481.000 | 9.942 | |
| 32 | Ecumenical Hackerz | 6457.000 | 9.883 | |
| 33 | RuntimeTerror | 6417.000 | 9.803 | |
| 34 | SETU - STONITH | 5809.000 | 8.924 | |
| 35 | UnitedNations | 5787.000 | 8.872 | |
| 36 | Bless Me Father For I Have SYNd | 5755.000 | 8.807 | |
| 37 | Diddy's Disciples | 5729.000 | 8.752 | |
| 38 | Cyber Kittens | 5728.000 | 8.732 | |
| 39 | SETU-404Name!Found | 5707.000 | 8.686 | |
| 40 | Belfast/bin/bash/ers | 5609.000 | 8.532 | |
| 41 | John Hammond Me | 5567.000 | 8.457 | |
| 42 | SlavSquad | 5534.000 | 8.396 | |
| 43 | Down with that sort of ping! | 5351.000 | 8.124 | |
| 44 | PromiseWe'reNotCheating | 5278.000 | 8.008 | |
| 45 | Where's Waldro | 5250.000 | 7.956 | |
| 46 | 1TCr0wd | 5245.000 | 7.937 | |
| 47 | Fantastic4 | 5069.000 | 7.677 | |
| 48 | HackTuah | 5047.000 | 7.635 | |
| 49 | Tbyb | 4981.000 | 7.532 | |
| 50 | Backdoor Baddies | 4934.000 | 7.455 | |
| 51 | $hadow hAxOrs money gang | 4851.000 | 7.328 | |
| 52 | m0nk3 see, m0nk3 do | 4801.000 | 7.248 | |
| 53 | Organised Confusion | 4790.000 | 7.224 | |
| 54 | Feck Arse Girls | 4725.000 | 7.124 | |
| 55 | Sync! Check! Parse! URLs! | 4675.000 | 7.045 | |
| 56 | Belfast_P4ck3tSn1ff3rz | 4669.000 | 7.028 | |
| 57 | SETU - MUTEX | 4611.000 | 6.938 | |
| 58 | RansomWhere? | 4526.000 | 6.811 | |
| 59 | Nah | 4485.000 | 6.746 | |
| 60 | chmod777 | 4385.000 | 6.598 | |
| 61 | FREEWIFIEVERYWHEREYOUGO | 4353.000 | 6.546 | |
| 62 | That would be an encryption matter! | 4350.000 | 6.535 | |
| 63 | Hackday | 4287.000 | 6.440 | |
| 64 | Foolian Assange | 4235.000 | 6.360 | |
| 65 | banana loca | 4232.000 | 6.350 | |
| 66 | CMD Lions | 4229.000 | 6.340 | |
| 67 | OOO: Gone Phishing | 4195.000 | 6.287 | |
| 68 | Fluid Attacks | 4076.000 | 6.113 | |
| 69 | The Brendy Bois | 4054.000 | 6.077 | |
| 70 | workhack | 4010.000 | 6.010 | |
| 71 | Will you ever fix that Zero Day, Ted? | 3989.000 | 5.975 | |
| 72 | Zero Days of Experience | 3827.000 | 5.742 | |
| 73 | WetherspoonsWarcrimes | 3660.000 | 5.502 | |
| 74 | Real Mark Cummins Team | 3629.000 | 5.453 | |
| 75 | Moodly_Doodlies | 3625.000 | 5.443 | |
| 76 | visionaries | 3622.000 | 5.435 | |
| 77 | 3 Guys 1 Flag | 3618.000 | 5.425 | |
| 78 | My Lovely Horse.exe | 3580.000 | 5.367 | |
| 79 | The Flag Was Just Resting In Our Account! | 3555.000 | 5.328 | |
| 80 | Alchemists | 3542.000 | 5.305 | |
| 81 | Edgerunners | 3475.000 | 5.207 | |
| 82 | Ping Me Baby One More Time | 3395.000 | 5.091 | |
| 83 | SETU - CHAOS MONKEYS | 3096.000 | 4.665 | |
| 84 | The Armageddon | 2978.000 | 4.496 | |
| 85 | I'm hugely confused, Ted | 2973.000 | 4.485 | |
| 86 | Zealot | 2950.000 | 4.449 | |
| 87 | Arasaka Help Desk | 2853.000 | 4.309 | |
| 88 | Cypher Prophets | 2841.000 | 4.289 | |
| 89 | yolo-hax | 2828.000 | 4.267 | |
| 90 | My Lovely Trojan Horse🐴 | 2783.000 | 4.201 | |
| 91 | Borsec | 2781.000 | 4.195 | |
| 92 | My Lovely Trojan Horse | 2772.000 | 4.179 | |
| 93 | m0rn1ng_5t@r | 2744.000 | 4.137 | |
| 94 | 20s420b | 2684.000 | 4.049 | |
| 95 | Shut Down | 2644.000 | 3.990 | |
| 96 | BinaryBytez | 2539.000 | 3.839 | |
| 97 | RGBHatTeam | 2502.000 | 3.785 | |
| 98 | Drink! Hack! Girls! | 2491.000 | 3.767 | |
| 99 | Habibi | 2480.000 | 3.748 | |
| 100 | XZeroR | 2343.000 | 3.553 | |
| 101 | noobs | 2312.000 | 3.507 | |
| 102 | hackstreet boys | 2254.000 | 3.422 | |
| 103 | My Lovely Source Code | 2198.000 | 3.341 | |
| 104 | Hack4Craic | 2108.000 | 3.212 | |
| 105 | <blink> | 2077.000 | 3.166 | |
| 106 | hash_crackers | 2027.000 | 3.093 | |
| 107 | Phish N’ Chips | 2013.000 | 3.071 | |
| 108 | Sorting Hats | 1960.000 | 2.994 | |
| 109 | Flight Risks | 1788.000 | 2.750 | |
| 110 | EISR | 1776.000 | 2.731 | |
| 111 | thedefensaurs | 1775.000 | 2.727 | |
| 112 | m1Nor | 1760.000 | 2.704 | |
| 113 | Bad ATUttude | 1532.000 | 2.381 | |
| 114 | We brought a spare Liam | 1460.000 | 2.277 | |
| 115 | N3T_R3B00T | 1352.000 | 2.123 | |
| 116 | hack4craic2 | 1300.000 | 2.048 | |
| 117 | idkateamname | 1200.000 | 1.905 | |
| 118 | Itb4ever | 1132.000 | 1.808 | |
| 119 | Holy Packets | 1100.000 | 1.761 | |
| 120 | aa | 300.000 | 0.316 | |
