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: 23.47 

Rating weight: 23.47 

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 11363.00046.940
2 0xFUN 10862.00034.170
3 RubiyaLab 9869.00028.208
4 MindCrafters 8400.00023.217
5 QnQSec 7697.00020.592
6 Nahomies 7423.00019.244
7 UofTCTF 6065.00015.880
8 $cr1pt_K1dd13$ 6016.00015.360
9 FR13NDS TEAM 6004.00015.009
10 Caliphal Hounds 5990.00014.719
11 M0r3 L1F3 5590.00013.680
12 TraceBash 5560.00013.440
13 RE:UN10N 5502.00013.170
14 Fl4gz0nF1r3 4847.00011.688
15 UiTM Cyberheroes Club 4765.00011.407
16 特上檸檬茶 4655.00011.082
17 Wade 4636.00010.956
18 SCH 4083.0009.737
19 team_xz 3965.0009.425
20 Thr4t Hunt1n9 3583.0008.574
21 wills1 3520.0008.388
22 C0UGH1NGB4BY 3190.0007.656
23 734m_N4M3_h3r3 3146.0007.518
24 FPT DarkHotel 2927.0007.024
25 MadrHacks 2920.0006.970
26 Th3 4rchi73cts 2878.0006.847
27 noraneco 2777.0006.605
28 NotFound 2652.0006.316
29 wher3_1s_our_n0se 2499.0005.971
30 gigi 2479.0005.903
31 0M3G4_SQU4D 2297.0005.501
32 HackChen 2198.0005.273
33 (?) 2161.0005.175
34 CYSCOM 2074.0004.974
35 [[email protected]] 2019.0004.841
36 Blue Dragons 1966.0004.713
37 林口 1881.0004.519
38 €cyber€lan 1878.0004.497
39 RabbitHorse 1865.0004.454
40 umeow0716 1822.0004.350
41 f4n_n3r0 1819.0004.330
42 Luluscpdp 1811.0004.299
43 Overf1ow 1793.0004.249
44 netneko 1779.0004.208
45 ohabu3 1776.0004.190
46 kBxAc 1744.0004.112
47 XABT 1679.0003.967
48 eclastdance 1664.0003.926
49 師匠説名字隨便取 1650.0003.887
50 OhYeahSeC 1611.0003.797
51 fr33k7 1608.0003.781
52 HackerSir 1539.0003.630
53 NTUT_Is1ab 1362.0003.256
54 shellsphere 1342.0003.206
55 HashVault 1334.0003.182
56 chumy 1260.0003.022
57 moppy 1250.0002.994
58 16j 1215.0002.914
59 stdnoerr 1201.0002.878
60 Vuln3ra 1186.0002.841
61 The bakery 1173.0002.808
62 CyberUniCorn 1139.0002.731
63 yunshiuan 1091.0002.626
64 luongvd 1091.0002.620
65 ri5e 1086.0002.604
66 BWN 1079.0002.584
67 Gg_x 1024.0002.465
68 HKCTF 1017.0002.446
69 UET_CTF 1015.0002.437
70 M1dn1gh7sF!4gF1nd3rs 1012.0002.426
71 Iv9 996.0002.388
72 SF Cyber 984.0002.358
73 aaaaa 957.0002.298
74 GreysPwn 924.0002.226
75 Some_Team 885.0002.141
76 WhiteDukesDZ 851.0002.067
77 Nightjars 851.0002.063
78 k0kos 826.0002.007
79 4652 815.0001.980
80 rsm 815.0001.977
81 Knightsec 805.0001.952
82 NoENV 785.0001.908
83 PurpleFoxxx 785.0001.904
84 glitch stew 779.0001.888
85 PH4T0M3_B1IG4D3 768.0001.862
86 Kyros 768.0001.859
87 L0ck8y7e 768.0001.856
88 Solo_Run 766.0001.849
89 4O4NULLERS 763.0001.840
90 hamayanhamayan 756.0001.822
91 LastSeenIn2026 726.0001.757
92 Tres Amigos 726.0001.755
93 SC 715.0001.729
94 tinyfat 715.0001.726
95 dcua 663.0001.616
96 Cyb3rVanguard 659.0001.606
97 flag 651.0001.587
98 1nitramfs 638.0001.557
99 0x5ky 626.0001.530
100 Canadian Hacks 626.0001.528
101 Dem0_Mans! 621.0001.515
102 CyberUNIT 610.0001.490
103 miscitaofvh 610.0001.488
104 CCLEMON 610.0001.486
105 asdzxc 584.0001.430
106 L0s3rCr3w 568.0001.395
107 rick07 568.0001.393
108 abdullaxows 510.0001.271
109 Seruit 510.0001.269
110 VSL_P4rad0x 510.0001.267
111 nohacknolove 510.0001.265
112 CyberZone 510.0001.263
113 mrhacker 510.0001.261
114 Colors ESI 510.0001.259
115 xploiters 510.0001.257
116 Obsidian Howlers 510.0001.256
117 MidnghtsFlagFinders 475.0001.182
118 旗實不難 468.0001.166
119 Ketchup(Catch-up) 468.0001.164
120 0xE0F 468.0001.162
121 clueless872 463.0001.150
122 Real Madrid 463.0001.149
123 los ratones 463.0001.147
124 hackratic 463.0001.146
125 Arren 452.0001.121
126 123 449.0001.114
127 suzu 442.0001.098
128 BorderOfLife 438.0001.088
129 CyberCh1ck 438.0001.087
130 Chimpanzee Warriors 426.0001.060
131 LognEqualsOne 426.0001.059
132 fzhshzh 426.0001.058
133 574r64z3r 426.0001.056
134 ThomasgKorp 410.0001.022
135 Alexius 410.0001.021
136 Rumplestiltskin 410.0001.019
137 YourBunnyWrote 410.0001.018
138 h3kerzz 410.0001.017
139 Cyd_3X{246} 410.0001.016
140 Cat Protector 410.0001.014
141 YSL 410.0001.013
142 PSYFISHERS 410.0001.012
143 HackerTrouper 368.0000.924
144 celestial 368.0000.923
145 UCrypted 368.0000.922
146 Sytnax Error 368.0000.921
147 oolong_tea 368.0000.920
148 meow_player 363.0000.908
149 testestes 326.0000.831
150 HIGH 316.0000.809
151 cyber 310.0000.796
152 RootTigerBT01 310.0000.795
153 UDF 310.0000.794
154 ByteHunters 310.0000.793
155 EachLove3 310.0000.792
156 ahmetkaya 310.0000.791
157 RPCA Cyber Club 310.0000.790
158 Lazarus 310.0000.789
159 t3rmin4t0rs 310.0000.788
160 lonestar 310.0000.787
161 1_d0n't_kn0w 310.0000.786
162 whoam! 310.0000.785
163 Roarshach 310.0000.784
164 Yes 310.0000.783
165 TEAM7632 310.0000.783
166 pwn0rDi3 310.0000.782
167 panda 310.0000.781
168 anon 310.0000.780
169 Prmtalent 310.0000.779
170 Onicoders-UciTeam 310.0000.778
171 chaa muda 310.0000.778
172 hackuaz 310.0000.777
173 no team 310.0000.776
174 Hi 310.0000.775
175 SIGKILLers 300.0000.754
176 C4lyr3x 300.0000.753
177 asdasdasdasdasdsa 300.0000.752
178 toto 300.0000.751
179 Cr4ck_M3_DD 300.0000.751
180 quit 268.0000.684
181 Kiwi 268.0000.683
182 justrandomlyhavingfuniguess 268.0000.683
183 C0d3 Bre4k3rs 268.0000.682
184 zazapon 263.0000.671
185 Humus 263.0000.670
186 Velobobo 263.0000.669
187 lopmade 258.0000.658
188 4shur4 253.0000.647
189 WHSploites 253.0000.647
190 787526438 253.0000.646
191 hashcrahsers 253.0000.645
192 onemanarmy 210.0000.556
193 Integrated Hawkers 210.0000.555
194 HIYA HITYA 210.0000.555
195 CyberXoX 210.0000.554
196 0xH3G4Z1 210.0000.553
197 YMD_HK 210.0000.553
198 doomshriek 210.0000.552
199 This1sFine 210.0000.552
200 0xf1sh 210.0000.551
201 Bluecapture 210.0000.551
202 concealbear 210.0000.550
203 fsoci4ty 210.0000.549
204 xing 210.0000.549
205 INTR0VERT 210.0000.548
206 AcePawz🐾 210.0000.548
207 ThatSoloBrit 210.0000.547
208 xCript_kiddi3s 210.0000.547
209 cls 210.0000.546
210 dead_davinci 210.0000.546
211 Qu4nt1x 210.0000.545
212 w4ngz 210.0000.544
213 tester1 200.0000.523
214 Sagi 200.0000.523
215 burn 200.0000.522
216 giitara 200.0000.522
217 Dream 110.0000.335
218 Ycan"T 110.0000.335
219 idk 110.0000.334
220 TripleHackers 110.0000.334
221 buggedout 110.0000.333
222 Dot Group 110.0000.333
223 MARS 110.0000.332
224 golows< 110.0000.332
225 grinch 110.0000.332
226 Flaggers United 110.0000.331
227 I_LOVEo-o 110.0000.331
228 DOT000DOT 110.0000.330
229 得閒飲茶 110.0000.330
230 F4T4L3RR0R 110.0000.329
231 AFK 110.0000.329
232 codebott 110.0000.328
233 JelyF1shhhhhh 110.0000.328
234 R1yhtp 110.0000.328
235 CodeBloodedSibs 110.0000.327
236 HashCrackers 110.0000.327
237 teio fan club 110.0000.326
238 @HYDRA 110.0000.326
239 kaka 110.0000.325
240 WQTX 110.0000.325
241 Trainers 110.0000.325
242 Nasmoco-CSIRT 110.0000.324
243 SiberKost^^ 110.0000.324
244 Zebin 110.0000.323
245 Th3_Gu4rd1an 110.0000.323
246 fearless 110.0000.323
247 bluewhalemini 110.0000.322
248 NRX 110.0000.322
249 asd 110.0000.321
250 kirimine170 110.0000.321
251 (-_-) 110.0000.321
252 0_Clicks 110.0000.320
253 DSAhackers 110.0000.320
254 D@t@ 110.0000.320
255 TML 110.0000.319
256 somayi2021 110.0000.319
257 L4_Brig4d3_ph4nt0m3 110.0000.319
258 g4r1b4ld0 110.0000.318
259 lonew0lf 110.0000.318
260 jroehrig 110.0000.317
261 NullS3ntin3l5 110.0000.317
262 RootMe! 110.0000.317
263 Sniff My Packets 110.0000.316
264 dbsgudwn 110.0000.316
265 Sonder 110.0000.316
266 Magician 110.0000.315
267 EggHead 110.0000.315
268 TEAM21 110.0000.315
269 An0nym0us4 110.0000.314
270 塌腳石 110.0000.314
271 H4K2LIV3_Academy 110.0000.314
272 Omega 110.0000.313
273 H4rv3st3r 110.0000.313
274 ClearCode 110.0000.313
275 lost minds 110.0000.313
276 FTB 110.0000.312
277 do not the car 110.0000.312
278 n0n 110.0000.312
279 SUDO FUZZERS 110.0000.311
280 hajikkoyure technologies 110.0000.311
281 wfdghbnm 110.0000.311
282 C0S-M0S 110.0000.310
283 Xenon 110.0000.310
284 Regulators 110.0000.310
285 Marcus 110.0000.310
286 n0ll_ptr 110.0000.309
287 Hack’n’Hermit 110.0000.309
288 GlitchBusters 110.0000.309
289 meow 100.0000.288
290 NColorado 100.0000.287
291 WeAre 100.0000.287
292 EN15 100.0000.287
293 m4lw4re_4n4lysis 100.0000.287
294 somyos 100.0000.286
295 tesr 100.0000.286
296 aboba 100.0000.286
297 Tiger 100.0000.286
298 blarghhhh 100.0000.285
299 nagatos 100.0000.285
300 shyn3ss 100.0000.285
301 Streax 100.0000.285
302 QuocKhanh 100.0000.284
303 1 100.0000.284
304 Gh0st4ce 100.0000.284
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 10.0000.097
310 nullbytes 10.0000.096
311 Born2Hack 10.0000.096
312 Come to mess 10.0000.096
313 T4r0t 10.0000.096
314 Red-Knights 10.0000.095
315 教授頂樓風好大 10.0000.095
316 2GB 10.0000.095
317 seeteeff 10.0000.095
318 Papayapokpok 10.0000.094
319 5y12Up 10.0000.094
320 npc 10.0000.094
321 怎麼會這樣 10.0000.094
322 ExploitX 10.0000.094
323 The Glitch Mob 10.0000.093
324 jjroccss 10.0000.093
325 Null_Byt3z 10.0000.093
326 CosmicIntruders 10.0000.093
327 CosmosBreakers 10.0000.092
328 nidhikathayat 10.0000.092
329 JustPlayPlay 10.0000.092
330 gae_jam 10.0000.092
331 Ethernet 10.0000.092
332 will_s_team 10.0000.091
333 Windows 9/11 10.0000.091
334 swisscheese 10.0000.091
335 Hun9ry 10.0000.091
336 bi0sblr 10.0000.091
337 TheLoneGunmen 10.0000.090
338 not a bot 10.0000.090
339 閔氏宗親會 10.0000.090
340 ILoveYouBaby 10.0000.090
341 0v0 10.0000.089
342 s0lo 10.0000.089
343 lol 10.0000.089
344 0x04 10.0000.089
345 jinx 10.0000.089
346 Arahan 10.0000.088
347 abc 10.0000.088
348 Si_Ra 10.0000.088
349 beafn28 10.0000.088
350 H4CK_077 10.0000.088
351 Azure Assassin Alliance 10.0000.088
352 the w4tchd0gs 10.0000.087
353 DR34D5 10.0000.087
354 otcysquad 10.0000.087
355 r4v3n 10.0000.087
356 D₅4lC0r3 10.0000.087
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 10.0000.086
362 gataudeh 10.0000.085
363 myself 10.0000.085
364 511212511121 10.0000.085
365 SGVC7 10.0000.085
366 squirelltrynagetanut 10.0000.085
367 ctfrrteam 10.0000.085
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 10.0000.084
373 Kast 10.0000.084
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 10.0000.083
379 SE4L 10.0000.083
380 dubidubiduba 10.0000.082
381 newbie12 10.0000.082
382 Maze Breakers 10.0000.082
383 mensaccha 10.0000.082
384 soala gogo 10.0000.082
385 tab 10.0000.082
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 10.0000.081
392 Learning Is Fun! 10.0000.081
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 10.0000.080
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 10.0000.079
405 rocket 10.0000.079
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 10.0000.078
412 Jongko_JoyoBoyo 10.0000.078
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 10.0000.077
420 femboy paradise 10.0000.077
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 10.0000.076
427 Psycher 10.0000.076
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 10.0000.075
435 Semper Sometimes 10.0000.075
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 10.0000.074
444 Bone.re 10.0000.074
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 10.0000.073
452 no_one 10.0000.073
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 10.0000.072
461 Wercilim 10.0000.072
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 10.0000.071
470 Apex 10.0000.071
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!


Tanzz1337July 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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