Sat, 11 April 2026, 10:00 UTC — Sun, 12 April 2026, 10:00 UTC 
On-line
A PUTCyberDays CTF event.
Format: Jeopardy 
Official URL: https://putcyberdays.pl/en/
This event's weight is subject of public voting!
Event organizers
We invite students that are part of CTFtime community to participate in PUTCyberDays CTF 2026! The event is organized by the students' cybersecurity community at Poznan University of Technology - PUTrequest_.
You will have the opportunity to grapple with tasks from a broad range of difficulty: from beginner-friendly to advanced.
You will find challenges from the following categories:
- Web
- Reverse Engineering
- PWN/Binary Exploitation
- Cryptography
- Forensics
- Misc
This CTF is a part of the PUTCyberDays event organized at PUT. You can find more information about the event and sponsors here: https://putcyberdays.pl/en/
Team registration is open under this link: https://ctf.putcyberdays.pl/
Join us on the Discord server: https://discord.com/invite/JYp6REXa
Prize pool will exceed value of 300 EUR, distributed among top 3 teams:
1st place: HTB Academy Gift Card 50$ x5
2nd place: HTB Academy Gift Card 25$ x5
3rd place: HTB Academy Gift Card 25$ x2
119 teams total
| Place | Team | CTF points | Rating points* | |
|---|---|---|---|---|
| 1 | Lost in Sight | 5423.000 | 0.000 | |
| 2 | G3 | 5423.000 | 0.000 | |
| 3 | o3o | 5423.000 | 0.000 | |
| 4 | hack_2ah | 5423.000 | 0.000 | |
| 5 | rick07 | 5423.000 | 0.000 | |
| 6 | octopus | 4941.000 | 0.000 | |
| 7 | CyberFood | 4934.000 | 0.000 | |
| 8 | stillw4t3r | 4506.000 | 0.000 | |
| 9 | ch1LL_R3L4x_grep | 4446.000 | 0.000 | |
| 10 | Nattt | 4446.000 | 0.000 | |
| 11 | khongbietsinhfuzz | 4438.000 | 0.000 | |
| 12 | milworms | 4432.000 | 0.000 | |
| 13 | jeanclaude | 4013.000 | 0.000 | |
| 14 | GrimSec Ops | 3981.000 | 0.000 | |
| 15 | SOS | 3957.000 | 0.000 | |
| 16 | CrypteraNet | 3956.000 | 0.000 | |
| 17 | soala gogo | 3943.000 | 0.000 | |
| 18 | PenguinPwners | 3943.000 | 0.000 | |
| 19 | IND_ABJJS | 3943.000 | 0.000 | |
| 20 | Vakuum Soft | 3943.000 | 0.000 | |
| 21 | SecureOps | 3511.000 | 0.000 | |
| 22 | 1ts_n0t_s0_e4sy_my_h0n3y | 3492.000 | 0.000 | |
| 23 | acdwas | 3461.000 | 0.000 | |
| 24 | Shisha Sheikh | 3461.000 | 0.000 | |
| 25 | ROPgods | 3461.000 | 0.000 | |
| 26 | Lelouch vi Exploit | 3461.000 | 0.000 | |
| 27 | SznajderTeam | 3461.000 | 0.000 | |
| 28 | Error404 | 3150.000 | 0.000 | |
| 29 | CYBERDUNE CLUB | 3029.000 | 0.000 | |
| 30 | xls team | 3029.000 | 0.000 | |
| 31 | kevin | 3029.000 | 0.000 | |
| 32 | linguo_ok | 3029.000 | 0.000 | |
| 33 | Utopians | 3010.000 | 0.000 | |
| 34 | MoonPie | 2734.000 | 0.000 | |
| 35 | blackkiddos | 2643.000 | 0.000 | |
| 36 | Y3s_captur3_flag!:_) | 2601.000 | 0.000 | |
| 37 | clockout | 2589.000 | 0.000 | |
| 38 | NewbieHac | 2582.000 | 0.000 | |
| 39 | tschool | 2578.000 | 0.000 | |
| 40 | Hack-WAT | 2233.000 | 0.000 | |
| 41 | ROOTSHELL | 2161.000 | 0.000 | |
| 42 | 0p3n50urc3 | 2161.000 | 0.000 | |
| 43 | Wade | 2019.000 | 0.000 | |
| 44 | rOb0Cat | 1862.000 | 0.000 | |
| 45 | 0xkakashi | 1852.000 | 0.000 | |
| 46 | Panitia | 1839.000 | 0.000 | |
| 47 | Outnumber2915 | 1422.000 | 0.000 | |
| 48 | indyciphers | 1422.000 | 0.000 | |
| 49 | ksil | 1406.000 | 0.000 | |
| 50 | 0xAlone | 1380.000 | 0.000 | |
| 51 | CyberHero$ | 1369.000 | 0.000 | |
| 52 | h3ee | 1337.000 | 0.000 | |
| 53 | Flakes | 1315.000 | 0.000 | |
| 54 | Crystallisers | 1315.000 | 0.000 | |
| 55 | WillHackForBeer | 1312.000 | 0.000 | |
| 56 | Ch1_iu_m1nh_3m | 1219.000 | 0.000 | |
| 57 | WROng_flag | 1195.000 | 0.000 | |
| 58 | ML_BAP | 1170.000 | 0.000 | |
| 59 | kasztany | 1109.000 | 0.000 | |
| 60 | Hackzilla | 1102.000 | 0.000 | |
| 61 | Mr.Robot | 955.000 | 0.000 | |
| 62 | Rea11y Annoying Bots(RAB) | 948.000 | 0.000 | |
| 63 | Oinodecam | 948.000 | 0.000 | |
| 64 | Nju Balans | 846.000 | 0.000 | |
| 65 | Nastya | 842.000 | 0.000 | |
| 66 | NeuralMeltdown | 787.000 | 0.000 | |
| 67 | 16j | 781.000 | 0.000 | |
| 68 | Noctivis | 778.000 | 0.000 | |
| 69 | salam | 662.000 | 0.000 | |
| 70 | 幻方 | 662.000 | 0.000 | |
| 71 | S.K.A.O | 626.000 | 0.000 | |
| 72 | Learners | 620.000 | 0.000 | |
| 73 | dp!h3r0x | 620.000 | 0.000 | |
| 74 | IMEsec | 534.000 | 0.000 | |
| 75 | ratata | 534.000 | 0.000 | |
| 76 | YEN | 534.000 | 0.000 | |
| 77 | Not L0ck8y7e | 534.000 | 0.000 | |
| 78 | Strike n Strive | 534.000 | 0.000 | |
| 79 | VuxNx | 534.000 | 0.000 | |
| 80 | BugByte | 514.000 | 0.000 | |
| 81 | codexteam34534 | 432.000 | 0.000 | |
| 82 | Appologyse | 428.000 | 0.000 | |
| 83 | IceV | 421.000 | 0.000 | |
| 84 | LeetSh4d0ws | 414.000 | 0.000 | |
| 85 | MTA EOS | 414.000 | 0.000 | |
| 86 | rooteaters | 414.000 | 0.000 | |
| 87 | Doomsday | 414.000 | 0.000 | |
| 88 | salma | 364.000 | 0.000 | |
| 89 | Hallam | 364.000 | 0.000 | |
| 90 | humblebee | 328.000 | 0.000 | |
| 91 | mimikatz | 322.000 | 0.000 | |
| 92 | HubOfGods | 298.000 | 0.000 | |
| 93 | DeadSec | 298.000 | 0.000 | |
| 94 | VNCS_G | 298.000 | 0.000 | |
| 95 | YMD_HK | 298.000 | 0.000 | |
| 96 | Dr!73r$ | 298.000 | 0.000 | |
| 97 | BinaryWarriors | 298.000 | 0.000 | |
| 98 | Teamlead | 212.000 | 0.000 | |
| 99 | BeGone | 212.000 | 0.000 | |
| 100 | kakako | 212.000 | 0.000 | |
| 101 | Macros | 86.000 | 0.000 | |
| 102 | hyunmin | 86.000 | 0.000 | |
| 103 | 404 skill not found | 86.000 | 0.000 | |
| 104 | ROOTFORCE | 86.000 | 0.000 | |
| 105 | Abdullahkhan36 | 86.000 | 0.000 | |
| 106 | 0xHydra | 86.000 | 0.000 | |
| 107 | fsoci4ty | 86.000 | 0.000 | |
| 108 | fzhshzh | 86.000 | 0.000 | |
| 109 | lx123456 | 86.000 | 0.000 | |
| 110 | SPOTLIGHT | 86.000 | 0.000 | |
| 111 | m1ss11tu | 86.000 | 0.000 | |
| 112 | A1SBERG | 86.000 | 0.000 | |
| 113 | altinet | 86.000 | 0.000 | |
| 114 | BackMoon | 86.000 | 0.000 | |
| 115 | IgelsCTF | 86.000 | 0.000 | |
| 116 | colombia | 86.000 | 0.000 | |
| 117 | sinko_x09 | 86.000 | 0.000 | |
| 118 | Cipher Syndicate | 86.000 | 0.000 | |
| 119 | hackbyr0k | 86.000 | 0.000 | |
