Sat, 05 July 2025, 08:00 UTC — Mon, 07 July 2025, 08:00 UTC 

On-line

No Hack No CTF event.

Format: Jeopardy Jeopardy

Official URL: https://nhnc.ic3dt3a.org/

This event's future weight is subject of public voting!

Future weight: 23.39 

Rating weight: 23.39 

Event organizers 

⚠️⚠️⚠️ Attention! The event time has been updated to: Sat, 05 July 2025, 08:00 – Mon, 07 July 2025, 20:00 (UTC+8) ⚠️⚠️⚠️

Welcome to No Hack No CTF 2025, organized by ICEDTEA, a passionate cybersecurity team from Taiwan dedicated to fostering learning and competition among cybersecurity enthusiasts worldwide. This event offers an exciting opportunity for participants to challenge themselves in a fair and competitive environment.

Join our event for a thrilling 60-hour experience filled with challenges and learning opportunities. Whether you're a seasoned professional or new to cybersecurity, No Hack No CTF 2025 is the perfect place to test your skills and connect with the global cybersecurity community.

Join our Discord server for assistance: https://discord.gg/7nvSsaUAQT
Contact us at : [email protected]

Prizes

All participants who complete the competition can apply for an electronic participation certificate!

1st team will get 100 USD HTB Labs Gift Card
2nd team will get 75 USD HTB Labs Gift Card
3rd team will get 50 USD HTB Labs Gift Card
4th team will get 3x nitro basic
5th team will get 3x nitro basic

**Special Prizes**
**1. Invite Prize"s": ** For all team who invited other teams joining the CTF, and you were ranked in the **top 33%**, you will have a chance to win `3 * Nitro Basics` (3 Teams)
**2. Review Prize"s": ** For all who submit a review on CTFTime after the competition, and you solved at least 1 challenge except `Welcome`, you will have a chance to win a `Nitro Basics` (10 players)

Scoreboard

473 teams total

PlaceTeamCTF pointsRating points
1 HCS 11363.00046.780
2 0xFUN 10862.00034.054
3 RubiyaLab 9869.00028.111
4 MindCrafters 8400.00023.138
5 QnQSec 7697.00020.522
6 Nahomies 7423.00019.178
7 UofTCTF 6065.00015.826
8 $cr1pt_K1dd13$ 6016.00015.307
9 FR13NDS TEAM 6004.00014.958
10 Caliphal Hounds 5990.00014.669
11 M0r3 L1F3 5590.00013.633
12 TraceBash 5560.00013.394
13 RE:UN10N 5502.00013.125
14 Fl4gz0nF1r3 4847.00011.648
15 UiTM Cyberheroes Club 4765.00011.368
16 特上檸檬茶 4655.00011.044
17 Wade 4636.00010.919
18 SCH 4083.0009.704
19 team_xz 3965.0009.393
20 Thr4t Hunt1n9 3583.0008.545
21 wills1 3520.0008.360
22 C0UGH1NGB4BY 3190.0007.630
23 734m_N4M3_h3r3 3146.0007.493
24 0xMustWin 2927.0007.000
25 MadrHacks 2920.0006.946
26 Th3 4rchi73cts 2878.0006.824
27 noraneco 2777.0006.583
28 NotFound 2652.0006.294
29 wher3_1s_our_n0se 2499.0005.951
30 gigi 2479.0005.883
31 0M3G4_SQU4D 2297.0005.483
32 HackChen 2198.0005.255
33 (?) 2161.0005.157
34 CYSCOM 2074.0004.957
35 [[email protected]] 2019.0004.824
36 Blue Dragons 1966.0004.697
37 林口 1881.0004.504
38 €cyber€lan 1878.0004.481
39 RabbitHorse 1865.0004.439
40 umeow0716 1822.0004.335
41 f4n_n3r0 1819.0004.315
42 Luluscpdp 1811.0004.285
43 Overf1ow 1793.0004.235
44 netneko 1779.0004.194
45 ohabu3 1776.0004.176
46 kBxAc 1744.0004.098
47 XABT 1679.0003.954
48 eclastdance 1664.0003.913
49 師匠説名字隨便取 1650.0003.874
50 OhYeahSeC 1611.0003.784
51 fr33k7 1608.0003.769
52 HackerSir 1539.0003.618
53 NTUT_Is1ab 1362.0003.245
54 shellsphere 1342.0003.196
55 HashVault 1334.0003.171
56 chumy 1260.0003.011
57 moppy 1250.0002.983
58 16j 1215.0002.904
59 stdnoerr 1201.0002.869
60 Vuln3ra 1186.0002.831
61 The bakery 1173.0002.798
62 CyberUnicorn 1139.0002.722
63 yunshiuan 1091.0002.617
64 luongvd 1091.0002.611
65 ri5e 1086.0002.595
66 BWN 1079.0002.575
67 Gg_x 1024.0002.457
68 HKCTF 1017.0002.437
69 UET_CTF 1015.0002.428
70 M1dn1gh7sF!4gF1nd3rs 1012.0002.417
71 Iv9 996.0002.380
72 SF Cyber 984.0002.350
73 aaaaa 957.0002.290
74 GreysPwn 924.0002.218
75 Some_Team 885.0002.134
76 WhiteDukesDZ 851.0002.059
77 Nightjars 851.0002.055
78 k0kos 826.0002.000
79 4652 815.0001.974
80 rsm 815.0001.970
81 Knightsec 805.0001.946
82 NoENV 785.0001.901
83 PurpleFoxxx 785.0001.898
84 glitch stew 779.0001.882
85 PH4T0M3_B1IG4D3 768.0001.856
86 Kyros 768.0001.853
87 L0ck8y7e 768.0001.850
88 Solo_Run 766.0001.843
89 4O4NULLERS 763.0001.833
90 hamayanhamayan 756.0001.816
91 LastSeenIn2026 726.0001.751
92 Tres Amigos 726.0001.749
93 SC 715.0001.723
94 tinyfat 715.0001.721
95 dcua 663.0001.611
96 Cyb3rVanguard 659.0001.600
97 flag 651.0001.581
98 1nitramfs 638.0001.552
99 0x5ky 626.0001.525
100 Canadian Hacks 626.0001.522
101 Dem0_Mans! 621.0001.510
102 CyberUNIT 610.0001.485
103 miscitaofvh 610.0001.483
104 CCLEMON 610.0001.481
105 asdzxc 584.0001.425
106 L0s3rCr3w 568.0001.390
107 rick07 568.0001.388
108 abdullaxows 510.0001.266
109 Seruit 510.0001.264
110 VSL_P4rad0x 510.0001.262
111 nohacknolove 510.0001.261
112 CyberZone 510.0001.259
113 mrhacker 510.0001.257
114 Colors ESI 510.0001.255
115 xploiters 510.0001.253
116 Obsidian Howlers 510.0001.251
117 MidnghtsFlagFinders 475.0001.178
118 旗實不難 468.0001.162
119 Ketchup(Catch-up) 468.0001.160
120 0xE0F 468.0001.158
121 clueless872 463.0001.146
122 Real Madrid 463.0001.145
123 los ratones 463.0001.143
124 hackratic 463.0001.142
125 Arren 452.0001.118
126 123 449.0001.110
127 suzu 442.0001.094
128 BorderOfLife 438.0001.084
129 CyberCh1ck 438.0001.083
130 Chimpanzee Warriors 426.0001.057
131 LognEqualsOne 426.0001.055
132 fzhshzh 426.0001.054
133 574r64z3r 426.0001.053
134 ThomasgKorp 410.0001.019
135 Alexius 410.0001.017
136 Rumplestiltskin 410.0001.016
137 YourBunnyWrote 410.0001.015
138 h3kerzz 410.0001.013
139 Cyd_3X{246} 410.0001.012
140 Cat Protector 410.0001.011
141 YSL 410.0001.010
142 PSYFISHERS 410.0001.009
143 HackerTrouper 368.0000.921
144 celestial 368.0000.920
145 UCrypted 368.0000.919
146 Sytnax Error 368.0000.918
147 oolong_tea 368.0000.917
148 meow_player 363.0000.905
149 testestes 326.0000.828
150 HIGH 316.0000.806
151 cyber 310.0000.793
152 RootTigerBT01 310.0000.792
153 UDF 310.0000.791
154 ByteHunters 310.0000.790
155 EachLove3 310.0000.789
156 ahmetkaya 310.0000.788
157 RPCA Cyber Club 310.0000.787
158 Lazarus 310.0000.786
159 t3rmin4t0rs 310.0000.785
160 lonestar 310.0000.784
161 1_d0n't_kn0w 310.0000.783
162 whoam! 310.0000.782
163 Roarshach 310.0000.782
164 Yes 310.0000.781
165 TEAM7632 310.0000.780
166 pwn0rDi3 310.0000.779
167 panda 310.0000.778
168 anon 310.0000.777
169 Prmtalent 310.0000.777
170 Onicoders-UciTeam 310.0000.776
171 chaa muda 310.0000.775
172 hackuaz 310.0000.774
173 no team 310.0000.773
174 Hi 310.0000.773
175 SIGKILLers 300.0000.751
176 C4lyr3x 300.0000.750
177 asdasdasdasdasdsa 300.0000.750
178 toto 300.0000.749
179 Cr4ck_M3_DD 300.0000.748
180 quit 268.0000.682
181 Kiwi 268.0000.681
182 justrandomlyhavingfuniguess 268.0000.680
183 C0d3 Bre4k3rs 268.0000.679
184 zazapon 263.0000.668
185 Humus 263.0000.668
186 Velobobo 263.0000.667
187 lopmade 258.0000.656
188 4shur4 253.0000.645
189 WHSploites 253.0000.645
190 787526438 253.0000.644
191 hashcrahsers 253.0000.643
192 onemanarmy 210.0000.554
193 Integrated Hawkers 210.0000.553
194 HIYA HITYA 210.0000.553
195 CyberXoX 210.0000.552
196 0xH3G4Z1 210.0000.552
197 YMD_HK 210.0000.551
198 doomshriek 210.0000.550
199 This1sFine 210.0000.550
200 0xf1sh 210.0000.549
201 Bluecapture 210.0000.549
202 concealbear 210.0000.548
203 fsoci4ty 210.0000.547
204 xing 210.0000.547
205 INTR0VERT 210.0000.546
206 AcePawz🐾 210.0000.546
207 ThatSoloBrit 210.0000.545
208 xCript_kiddi3s 210.0000.545
209 cls 210.0000.544
210 dead_davinci 210.0000.544
211 Qu4nt1x 210.0000.543
212 w4ngz 210.0000.543
213 tester1 200.0000.521
214 Sagi 200.0000.521
215 burn 200.0000.520
216 giitara 200.0000.520
217 Dream 110.0000.334
218 Ycan"T 110.0000.334
219 idk 110.0000.333
220 TripleHackers 110.0000.333
221 buggedout 110.0000.332
222 Dot Group 110.0000.332
223 MARS 110.0000.331
224 golows< 110.0000.331
225 grinch 110.0000.330
226 Flaggers United 110.0000.330
227 I_LOVEo-o 110.0000.329
228 DOT000DOT 110.0000.329
229 得閒飲茶 110.0000.329
230 F4T4L3RR0R 110.0000.328
231 AFK 110.0000.328
232 codebott 110.0000.327
233 JelyF1shhhhhh 110.0000.327
234 R1yhtp 110.0000.326
235 CodeBloodedSibs 110.0000.326
236 HashCrackers 110.0000.326
237 teio fan club 110.0000.325
238 @HYDRA 110.0000.325
239 kaka 110.0000.324
240 WQTX 110.0000.324
241 Trainers 110.0000.323
242 Nasmoco-CSIRT 110.0000.323
243 SiberKost^^ 110.0000.323
244 Zebin 110.0000.322
245 0xB4DBOY 110.0000.322
246 fearless 110.0000.322
247 bluewhalemini 110.0000.321
248 NRX 110.0000.321
249 asd 110.0000.320
250 kirimine170 110.0000.320
251 (-_-) 110.0000.320
252 0_Clicks 110.0000.319
253 DSAhackers 110.0000.319
254 D@t@ 110.0000.319
255 TML 110.0000.318
256 somayi2021 110.0000.318
257 L4_Brig4d3_ph4nt0m3 110.0000.317
258 g4r1b4ld0 110.0000.317
259 lonew0lf 110.0000.317
260 jroehrig 110.0000.316
261 NullS3ntin3l5 110.0000.316
262 RootMe! 110.0000.316
263 Sniff My Packets 110.0000.315
264 dbsgudwn 110.0000.315
265 Sonder 110.0000.315
266 Magician 110.0000.314
267 EggHead 110.0000.314
268 TEAM21 110.0000.314
269 An0nym0us4 110.0000.313
270 塌腳石 110.0000.313
271 H4K2LIV3_Academy 110.0000.313
272 Omega 110.0000.312
273 H4rv3st3r 110.0000.312
274 ClearCode 110.0000.312
275 lost minds 110.0000.311
276 FTB 110.0000.311
277 do not the car 110.0000.311
278 n0n 110.0000.311
279 SUDO FUZZERS 110.0000.310
280 hajikkoyure technologies 110.0000.310
281 wfdghbnm 110.0000.310
282 C0S-M0S 110.0000.309
283 Xenon 110.0000.309
284 Regulators 110.0000.309
285 Marcus 110.0000.308
286 n0ll_ptr 110.0000.308
287 Hack’n’Hermit 110.0000.308
288 GlitchBusters 110.0000.308
289 meow 100.0000.287
290 NColorado 100.0000.286
291 WeAre 100.0000.286
292 EN15 100.0000.286
293 m4lw4re_4n4lysis 100.0000.286
294 somyos 100.0000.285
295 tesr 100.0000.285
296 aboba 100.0000.285
297 Tiger 100.0000.285
298 blarghhhh 100.0000.284
299 nagatos 100.0000.284
300 shyn3ss 100.0000.284
301 Streax 100.0000.284
302 QuocKhanh 100.0000.283
303 1 100.0000.283
304 Gh0st4ce 100.0000.283
305 TL 100.0000.283
306 Shell We Hack? 10.0000.097
307 [email protected] 10.0000.097
308 nola 10.0000.097
309 西格瑪 10.0000.096
310 nullbytes 10.0000.096
311 Born2Hack 10.0000.096
312 Come to mess 10.0000.096
313 T4r0t 10.0000.095
314 Red-Knights 10.0000.095
315 教授頂樓風好大 10.0000.095
316 2GB 10.0000.095
317 seeteeff 10.0000.094
318 Papayapokpok 10.0000.094
319 5y12Up 10.0000.094
320 npc 10.0000.094
321 怎麼會這樣 10.0000.093
322 ExploitX 10.0000.093
323 The Glitch Mob 10.0000.093
324 jjroccss 10.0000.093
325 Null_Byt3z 10.0000.093
326 CosmicIntruders 10.0000.092
327 CosmosBreakers 10.0000.092
328 nidhikathayat 10.0000.092
329 JustPlayPlay 10.0000.092
330 gae_jam 10.0000.091
331 Ethernet 10.0000.091
332 will_s_team 10.0000.091
333 Windows 9/11 10.0000.091
334 swisscheese 10.0000.091
335 Hun9ry 10.0000.090
336 bi0sblr 10.0000.090
337 TheLoneGunmen 10.0000.090
338 not a bot 10.0000.090
339 閔氏宗親會 10.0000.090
340 ILoveYouBaby 10.0000.089
341 0v0 10.0000.089
342 s0lo 10.0000.089
343 lol 10.0000.089
344 0x04 10.0000.089
345 jinx 10.0000.088
346 Arahan 10.0000.088
347 abc 10.0000.088
348 Si_Ra 10.0000.088
349 beafn28 10.0000.088
350 H4CK_077 10.0000.087
351 Azure Assassin Alliance 10.0000.087
352 the w4tchd0gs 10.0000.087
353 DR34D5 10.0000.087
354 otcysquad 10.0000.087
355 r4v3n 10.0000.086
356 D₅4lC0r3 10.0000.086
357 NullPointerException 10.0000.086
358 Artemis Leaking Mafia 10.0000.086
359 Sentinals 10.0000.086
360 299 10.0000.086
361 Te@/\/\ #unter 10.0000.085
362 gataudeh 10.0000.085
363 myself 10.0000.085
364 511212511121 10.0000.085
365 SGVC7 10.0000.085
366 squirelltrynagetanut 10.0000.084
367 ctfrrteam 10.0000.084
368 ZigBee 10.0000.084
369 E1it3 Squ4D 10.0000.084
370 labu 10.0000.084
371 fu11b00t 10.0000.084
372 M4N_1N_BL4CK 10.0000.083
373 Kast 10.0000.083
374 Cyberknights 10.0000.083
375 Sticky Bits 10.0000.083
376 Nang 10.0000.083
377 maria 10.0000.083
378 h1r@n0_n1nj45 10.0000.082
379 SE4L 10.0000.082
380 dubidubiduba 10.0000.082
381 newbie12 10.0000.082
382 Maze Breakers 10.0000.082
383 mensaccha 10.0000.082
384 soala gogo 10.0000.081
385 tab 10.0000.081
386 pendejitos 10.0000.081
387 PersianCats 10.0000.081
388 MyHill 10.0000.081
389 toku4388 10.0000.081
390 play 10.0000.081
391 APT 10.0000.080
392 Learning Is Fun! 10.0000.080
393 AKM 10.0000.080
394 nazarix 10.0000.080
395 YeaHacked 10.0000.080
396 Team 0G 10.0000.080
397 Team Spiryt 10.0000.080
398 kuzu_kaykayi 10.0000.079
399 LuYishan 10.0000.079
400 N 10.0000.079
401 The_Hacktivists 10.0000.079
402 Penguin 10.0000.079
403 V1S1ON11 10.0000.079
404 deny_all_youtube 10.0000.078
405 rocket 10.0000.078
406 innovanta 10.0000.078
407 㧿notRoot 10.0000.078
408 CyberX-雨滴滴的下 10.0000.078
409 Wraithon 10.0000.078
410 Rooting 10.0000.078
411 CTRL+SHIFT+HACKERS 10.0000.077
412 Jongko_JoyoBoyo 10.0000.077
413 zjarabaa21 10.0000.077
414 zbti 10.0000.077
415 Port_Mafia 10.0000.077
416 Haxorlords 10.0000.077
417 N0tP3ty4 CTF 10.0000.077
418 Zotelings 10.0000.077
419 ngtuan.skhcnbn 10.0000.076
420 femboy paradise 10.0000.076
421 CtrlXploit 10.0000.076
422 virat kohli 10.0000.076
423 freeword 10.0000.076
424 Halal Bros 10.0000.076
425 divoks team 10.0000.076
426 fw 10.0000.075
427 Psycher 10.0000.075
428 padepokan siluman kadal 10.0000.075
429 Little Green Men 10.0000.075
430 RONNIE 10.0000.075
431 IgelsCTF 10.0000.075
432 hunt3r 10.0000.075
433 xapikec6023 10.0000.075
434 xapikec6021 10.0000.074
435 Semper Sometimes 10.0000.074
436 PemulaBang 10.0000.074
437 masih_pemula_puh 10.0000.074
438 le0s1mba 10.0000.074
439 ChillGuyz 10.0000.074
440 [email protected] 10.0000.074
441 Team 1 10.0000.074
442 Blackeyes 10.0000.074
443 1nY 10.0000.073
444 Bone.re 10.0000.073
445 SSS 10.0000.073
446 fauxkassarole 10.0000.073
447 sansaTeam 10.0000.073
448 Faker 10.0000.073
449 asdf 10.0000.073
450 dotrantr 10.0000.073
451 MrYellowOwl 10.0000.072
452 no_one 10.0000.072
453 CroCByte 10.0000.072
454 RiyalMadrid 10.0000.072
455 Tsuivan enjoyers 10.0000.072
456 t3s7 10.0000.072
457 UwU 10.0000.072
458 e3nz 10.0000.072
459 TeamName 10.0000.072
460 LLurge 10.0000.071
461 Wercilim 10.0000.071
462 Ahhhhhhimdying 10.0000.071
463 Byterrrs 10.0000.071
464 LUO 10.0000.071
465 :v 10.0000.071
466 BlackOps 10.0000.071
467 JurgoLika 10.0000.071
468 2399cdy 10.0000.071
469 kaloezhka 10.0000.070
470 Apex 10.0000.070
471 [email protected] 10.0000.070
472 ByteRaider 10.0000.070
473 borong 10.0000.035
kerszi1July 7, 2025, 1:56 p.m.

Cool CTF. See You next year (I hope).


whoisrushiJuly 7, 2025, 2:47 p.m.

Just played NO HACK NO CTF — really awesome challenges! Had a great time solving them, solid mix of fun and learning.


vpadivalJuly 7, 2025, 4:09 p.m.

It was amazing and cool


HackChenJuly 7, 2025, 4:35 p.m.

This CTF was very interesting, and I learned a lot. I definitely want to participate again next year.


Dr.kasbrJuly 7, 2025, 11:32 p.m.

I loved the variety of challenges and new ideas, the admins were very helpful and organized i hope we see more ctfs like this


loctfJuly 7, 2025, 11:43 p.m.

this is very fun and helpfull , hope more ctf like this


ddugsJuly 8, 2025, 5:57 a.m.

I really enjoyed the diverse range of challenges and fresh ideas — the admins were incredibly supportive and well-organized. Looking forward to more CTFs like this in the future!


baturaja1337July 8, 2025, 1:29 p.m.

nice ?


roxaszJuly 8, 2025, 1:29 p.m.

Cool ctf, Cool challenges, thanks i hope i can participate again next year


WhiteHawkJuly 8, 2025, 1:54 p.m.

Really loved the challenges of this CTF and it was really competitive for my team till the end but I appreciate the quick response of the management for every issue


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