CTFtime.org

Undutmaning 2026

Sat, 21 March 2026, 11:00 UTC — Sat, 21 March 2026, 19:00 UTC 

On-line

A Undutmaning event.

Format: Jeopardy Jeopardy

Official URL: https://undutmaning.se/

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

Future weight: 44.75 

Rating weight: 33.00 

Event organizers 

A CTF created as a joint effort between Sweden's intelligence organizations:
* Swedish Military Intelligence and Security Service (MUST)
* Swedish Security Services (SÄPO)
* National Defence Radio Establishment (FRA)

The CTF will consist of 24 challenges and will be open for 8 hours, between 12:00 and 20:00 local time.

The CTF is not a first-blood competition but uses weight based scoring.

Categories: crypto, web, pwn, reverse, forensics, programming, misc

CTF information, challenge descriptions, etc. will be presented mainly in Swedish.

Prizes

The top teams will be invited to a workshop/seminar,
where there will be food, beverages and demos. The #1 team will also receive a special symbolic prize.

There will also be seminar invites sent out to other teams based on how many slots end up being available.

(You will need to register interest for the seminar on the website to be eligible for an invite, regardless of how well your team did).

Scoreboard

435 teams total

PlaceTeamCTF pointsRating points
1 H-T8 3055.00066.000
2 TeamH4C 3055.00049.500
3 E=mc^2+AI^3 3055.00044.000
4 Tr4f1kV3rk3T 3055.00041.250
5 KebabEngineersđŸ€‘đŸ€‘đŸ€‘đŸ€‘đŸ€‘đŸ€‘ 3055.00039.600
6 RoyalRoppers 3055.00038.500
7 Team bug_h@ck 3055.00037.714
8 Cybix 3055.00037.125
9 Shellskapsresan 3055.00036.667
10 nopping on heavens door 3055.00036.300
11 Dunderpatrullen 3055.00036.000
12 0xN4CK 3055.00035.750
13 0xdeada1u5 3055.00035.538
14 jeanclaude 3055.00035.357
15 A1H8Diddlers 3055.00035.200
16 Rabbitwalker 3055.00035.063
17 borjmz 2955.00033.861
18 IT Support Goblins AB 2955.00033.753
19 Luma puma 2729.00031.215
20 Caplag 2680.00030.599
21 Ch0wn3rs 2580.00029.440
22 ChaGU 2529.00028.818
23 Bumbodosan 2529.00028.753
24 Operation Epic McFlurry 2429.00027.613
25 AmanoAmane 2385.00027.083
26 Caffeine Addicted Goblins 2354.00026.697
27 RootRunners 2336.00026.456
28 IRESDTU 2336.00026.412
29 0xFUN 2336.00026.371
30 fTerryDavis 2336.00026.333
31 Temperature0 2336.00026.298
32 HexDefender 2254.00025.379
33 z0d1ak 2236.00025.153
34 G4mra 2236.00025.124
35 untuk apa jadi yang terhebat jika tidak diakui olehnya 2136.00024.016
36 nhucac 2136.00023.990
37 FOI-R--5072--SE 2129.00023.889
38 charleswood 2129.00023.866
39 Potatis 2110.00023.638
40 ELIN 2110.00023.617
41 Han Shangyan Solo Run 2110.00023.597
42 godsec 2036.00022.779
43 FRO GĂ€vleborg 2010.00022.479
44 alien 2010.00022.462
45 KlokaIndivider 2010.00022.445
46 It Hz when IP 1954.00021.824
47 system32bolaget 1954.00021.809
48 KAUotic Hacking Club 1954.00021.795
49 Myriadens nÀrmaste lag 1954.00021.781
50 Elden_Cat 1936.00021.573
51 [email protected] 1910.00021.279
52 LiTHe Hax 1910.00021.266
53 Billy Bob 1900.00021.146
54 MAZ.AI 1836.00020.444
55 GeomRavage 1810.00020.152
56 Breach Cyber Security 1810.00020.141
57 MindCrafters 1810.00020.131
58 rubicon 1810.00020.121
59 Dyng 1754.00019.506
60 1nf1n1ty 1710.00019.021
61 Cryptonite 1710.00019.012
62 milworms 1710.00019.004
63 HjÀrter Hex 1710.00018.995
64 LappungCTF{} 1700.00018.879
65 Tenesys 1610.00017.899
66 hacknowa 1610.00017.891
67 MSAB Research 1610.00017.884
68 403-F0rbidd3n 1610.00017.876
69 Duckware 1610.00017.869
70 Lu 1600.00017.755
71 LeetSh4d0ws 1510.00016.776
72 Hackt1v4te 1510.00016.769
73 Myriadens goaste lag 1510.00016.763
74 valid.sig 1510.00016.757
75 1177 1510.00016.751
76 Bugs B0unt3r 1510.00016.745
77 Pwnit 1510.00016.740
78 FRO CTF-Team 1510.00016.734
79 WhiteDukesDZ 1436.00015.929
80 SN 1410.00015.643
81 snÀllaungahackare 1410.00015.638
82 Yggdrasil Root Access 1410.00015.633
83 defragmented.brains 1410.00015.628
84 Echidna 1410.00015.624
85 NothingToSee 1410.00015.619
86 PrypX 1410.00015.614
87 SMILE 1410.00015.610
88 OxV01D 1400.00015.498
89 chgb.cyber 1354.00014.997
90 HackTheHeat 1336.00014.798
91 FranskaSprÄkPaketet 1310.00014.513
92 SkÄnska_RÀven 1310.00014.509
93 Wisest 1310.00014.505
94 LantmÀteriet 1310.00014.502
95 cooldudes 1310.00014.498
96 colorful_icecream 1310.00014.494
97 Snöleopard 1254.00013.886
98 n00bz 1229.00013.612
99 SOS 1210.00013.404
100 Lv1x 1210.00013.400
101 Myrren_Uppsala 1210.00013.397
102 Twilight. 1210.00013.394
103 Levelers 1210.00013.391
104 Pwn Patrol 1210.00013.388
105 Sthlm_mkrspc 1210.00013.385
106 Quant 1210.00013.382
107 spacemonkeys 1210.00013.379
108 404 1210.00013.376
109 InfoSecIITR 1210.00013.373
110 Connect the fronted directly to the database 1200.00013.262
111 czarface 1200.00013.260
112 ROPgods 1200.00013.257
113 Serelix_Studio 1110.00012.282
114 7h3_7hr0n3_Cr3a70r5 1110.00012.280
115 R_OxPloit3rs 1110.00012.277
116 hackratic 1110.00012.275
117 Team HKJ 1110.00012.272
118 FolkhÀlsomyndigheten 1110.00012.270
119 CybersÀk25 1110.00012.267
120 Registry Editors 1110.00012.265
121 _Phantom_ 1085.00011.993
122 falkmore 1054.00011.656
123 808 1010.00011.178
124 CyFix 1010.00011.176
125 Team Munin 1010.00011.174
126 Sylog 1010.00011.172
127 All alone 1010.00011.170
128 Spets 1010.00011.168
129 P3rs0n4lk0ll3n 1010.00011.166
130 /aves/ 1010.00011.164
131 Nordic Shellbreakers 1010.00011.162
132 fu11b00t 1000.00011.052
133 SoloNoMore 985.00010.888
134 Alanballan 975.00010.778
135 therepanic 910.00010.074
136 WillHackForBeer 910.00010.072
137 WizardHats 910.00010.071
138 CyberRookie 910.00010.069
139 ReadFlagByIdentifier 910.00010.067
140 B3rmud4Byt3 910.00010.066
141 mobb dos 910.00010.064
142 Hacktastic Duo 910.00010.062
143 packetnoise 910.00010.061
144 HackStreetBoyzzz 910.00010.059
145 idc 910.00010.057
146 Ambr0s1a! 910.00010.056
147 Enheten för Kaffepaus 910.00010.054
148 Team39 910.00010.053
149 W(c)TF 910.00010.051
150 6ix7even 910.00010.050
151 snowbird91 910.00010.048
152 CryptoCrushers 910.00010.047
153 HexHax 910.00010.045
154 CtrlTab 910.00010.044
155 Hackspettar 910.00010.043
156 Etragardh 910.00010.041
157 re-election 910.00010.040
158 100ms Lag 900.0009.931
159 f0xes 810.0008.957
160 hello world has been taken 810.0008.956
161 WastedPotential 810.0008.955
162 XORlig SYNdare 810.0008.953
163 0xDECAFED 810.0008.952
164 Viati 810.0008.951
165 Sanrioholic 810.0008.950
166 ISFCR PESU 810.0008.948
167 đŸŽ” Token gĂ„r đŸŽ” 800.0008.839
168 Wall-es 800.0008.838
169 MooseForceOne 800.0008.837
170 NothingButaTangent 800.0008.836
171 Rikt Inre Liv 800.0008.835
172 VickiBoyz 754.0008.337
173 FSHCS2025 710.0007.860
174 tutty_frutty 710.0007.859
175 EnSamlaget 710.0007.858
176 FlaGGaros 710.0007.857
177 Shell & Company 710.0007.856
178 Kaffe & Kernel Panic 710.0007.855
179 Toulouse 710.0007.854
180 0xCAFEBABE 710.0007.853
181 D6ath E9ters 710.0007.852
182 [object Object] 710.0007.851
183 ITKioskarna 700.0007.742
184 The PEBKAC 700.0007.741
185 UnRocmVlZm91cg== 700.0007.740
186 pp 700.0007.739
187 Applemust2 644.0007.133
188 Frostbyte_LTU 610.0006.765
189 wyaptw 610.0006.764
190 LuftensHjaltar 610.0006.763
191 Holylooksmaxer 610.0006.762
192 ÀppelMUST 610.0006.761
193 305_RAMAC 610.0006.760
194 Me 610.0006.759
195 Datorklubben 610.0006.758
196 1337 quickscoping hackers 610.0006.758
197 Vi Àr kokade 610.0006.757
198 emacsers 610.0006.756
199 laydbg 610.0006.755
200 Kollektivet SkrĂ€ddarsydd Åtkomst (KSÅ) 610.0006.754
201 HasHash 610.0006.753
202 remote cod execution 610.0006.753
203 kyoto 600.0006.644
204 IT-ingenKan 600.0006.643
205 TĂ„rtugas 600.0006.642
206 InfiniteQualityAchieved 600.0006.641
207 TeamGlenn 600.0006.641
208 BrÀdspelsgÀnget 600.0006.640
209 BitIhop 600.0006.639
210 Jackan 600.0006.638
211 0xL0calhost 510.0005.665
212 Hello, /bin/bash 510.0005.665
213 viktoris 510.0005.664
214 JonteSolo 510.0005.663
215 Powerhouse01 510.0005.662
216 Hackkatt 510.0005.662
217 Tophat Hackers 510.0005.661
218 BoomClan 510.0005.660
219 uncstyle 510.0005.660
220 knights oF_cydonIA 510.0005.659
221 bumbiBears 510.0005.658
222 Dhafgard 510.0005.658
223 Ciberia 510.0005.657
224 edha 510.0005.656
225 sebastianpc 500.0005.548
226 Mask 500.0005.547
227 SchlÀttaKnackers 500.0005.546
228 /tmp 500.0005.546
229 H4ck3r2Qu4d26 500.0005.545
230 Flyttfrukt 500.0005.544
231 cdepth 500.0005.544
232 op 500.0005.543
233 LarssonGroupInc 410.0004.570
234 xtreme 410.0004.570
235 Nar Garzhvog 410.0004.569
236 сlockout 410.0004.569
237 Arvika Hackerspace 410.0004.568
238 RoyalGirlies 410.0004.567
239 skabunkel 410.0004.567
240 ULUG 410.0004.566
241 GrodmÀnnen 410.0004.566
242 C0Bra 410.0004.565
243 EnSvenskTiger 410.0004.565
244 lwg 410.0004.564
245 rÄsunda-warriors 410.0004.563
246 Pelle 410.0004.563
247 Aretimis 400.0004.454
248 TheFrogKingdom 400.0004.454
249 MissMarple 400.0004.453
250 Wahoo Corporation 400.0004.453
251 TeamNOP 400.0004.452
252 The Fellowship of the Ring 400.0004.452
253 alo 400.0004.451
254 harald 400.0004.451
255 TeamSoloLooseInPeace 400.0004.450
256 Elo Helper 400.0004.450
257 :) 400.0004.449
258 Nattt 400.0004.449
259 Mumindalen 400.0004.448
260 speek 400.0004.448
261 wÀderqvarnsjaqt 400.0004.447
262 Biltemas kundtjÀnst 400.0004.447
263 Paint 400.0004.446
264 jalla 344.0003.841
265 P1aceh0ld3r 310.0003.473
266 NaCl 310.0003.473
267 bG9uZWx5 310.0003.472
268 SlaskOps 310.0003.472
269 Bugsploit 310.0003.471
270 Solo [Nepal] 310.0003.471
271 CASCADA 3301 310.0003.470
272 Badpalatset 310.0003.470
273 Flexbert4ever 310.0003.469
274 oinksec 310.0003.469
275 eyewtns 310.0003.469
276 Solo Leveling 310.0003.468
277 Olgoj chorchoj 310.0003.468
278 twofour 310.0003.467
279 The Script Kitties 310.0003.467
280 ProfessorKalkyl 310.0003.466
281 Dead Beef Stew 310.0003.466
282 wHoMe 310.0003.466
283 Silly Geese Ltd 310.0003.465
284 L0chnet 300.0003.357
285 ∞ 300.0003.356
286 SpectralTeam 300.0003.356
287 IMEsec 300.0003.356
288 itsÀk24 300.0003.355
289 Hqv Captains 300.0003.355
290 Test123test 300.0003.354
291 Losers 300.0003.354
292 wip 300.0003.354
293 Bombe.exe 300.0003.353
294 bra_framförhÄllning 300.0003.353
295 Dagobah 300.0003.352
296 B0XXen 300.0003.352
297 moved 300.0003.352
298 RAX 244.0002.746
299 Minihex 210.0002.379
300 DaWhoop 210.0002.378
301 sinko_x09 210.0002.378
302 malice 210.0002.378
303 h 210.0002.377
304 team1234 210.0002.377
305 0xF2 210.0002.377
306 killed the cat 210.0002.376
307 TG_teamet 210.0002.376
308 mistermaks97 210.0002.376
309 Rincewind2026 210.0002.375
310 Svensk författningssamling 210.0002.375
311 W3_ar3_KCS 210.0002.375
312 eastern_ohio 210.0002.374
313 Bluesource 200.0002.266
314 Threat Level Midnight 200.0002.265
315 Gasten 200.0002.265
316 blob 200.0002.265
317 SoloV2 200.0002.264
318 TT 200.0002.264
319 Dawoot&co 200.0002.264
320 Team Cosmic 200.0002.264
321 Handsken 200.0002.263
322 ingelag 200.0002.263
323 Gurkorna 200.0002.263
324 fam.exe 200.0002.262
325 YOLO 200.0002.262
326 yy_time 200.0002.262
327 Hydra 200.0002.261
328 KaffeKraft 200.0002.261
329 Emas 200.0002.261
330 imp 200.0002.260
331 Ajvar 200.0002.260
332 VSL.Sp33d_Of_T1m3 200.0002.260
333 Gordon51 200.0002.259
334 Kalix 200.0002.259
335 KS1 200.0002.259
336 🐧 200.0002.259
337 Rider_Time 200.0002.258
338 404-not-found 200.0002.258
339 frebra 200.0002.258
340 Monster 200.0002.257
341 1 Bite 200.0002.257
342 Killedkenny 200.0002.257
343 NoobIntel 110.0001.284
344 A-Team 110.0001.284
345 Noren 110.0001.284
346 404NameNotFound 110.0001.284
347 David 110.0001.283
348 Paddsladd 110.0001.283
349 . 110.0001.283
350 Aceconeros 110.0001.283
351 WhyIsItWorking 110.0001.282
352 CookieMonsters 110.0001.282
353 m0lle 110.0001.282
354 IgelsCTF 110.0001.281
355 Srinivasa 110.0001.281
356 Hasses 110.0001.281
357 bup11f 100.0001.173
358 Hex_L0rd5! 100.0001.172
359 MörkaSkogen 100.0001.172
360 Undteam 100.0001.172
361 :} 100.0001.172
362 1 100.0001.171
363 Miamios 100.0001.171
364 E11411101 100.0001.171
365 SuperSecretClub 100.0001.171
366 Terrain 100.0001.170
367 jernqvist 100.0001.170
368 EDG 100.0001.170
369 qop 100.0001.170
370 fluffysnail 100.0001.169
371 Loi Yeu Kho Noi 100.0001.169
372 Bouffon 100.0001.169
373 Umera1 100.0001.169
374 Miss_Nyfiken 100.0001.168
375 Rootfyllning 100.0001.168
376 primeMuttons 100.0001.168
377 RIGGE 100.0001.168
378 ShadowKitty 100.0001.167
379 Hajjarsomhajjar 100.0001.167
380 StoreTorres 100.0001.167
381 avdankadienbrunn 100.0001.167
382 spacewarp 100.0001.167
383 big black cracks 100.0001.166
384 mrkickling 100.0001.166
385 Firstonite 100.0001.166
386 Söderhoppet 100.0001.166
387 Triggers 100.0001.165
388 anonymisarna 100.0001.165
389 adfadfasdfadsf 100.0001.165
390 nnwh 100.0001.165
391 Swagetti Yolonese 100.0001.165
392 LLS 100.0001.164
393 tft 100.0001.164
394 LSE 100.0001.164
395 e-d!ck 100.0001.164
396 goodboy 100.0001.164
397 VApd 100.0001.163
398 krob 100.0001.163
399 team test 100.0001.163
400 Apa Ya Namanya 100.0001.163
401 messi 100.0001.162
402 Team_EA 100.0001.162
403 Sowi 100.0001.162
404 Testing1 100.0001.162
405 Still Googling 100.0001.162
406 DoktorMugg 100.0001.161
407 lars 100.0001.161
408 cold_flamezz 100.0001.161
409 Yagmurs KĂ€mpar 100.0001.161
410 Only 100.0001.161
411 flygsÀk 100.0001.160
412 Poppens lakej 100.0001.160
413 kuchisabishii 100.0001.160
414 Valdyr 100.0001.160
415 baby7 100.0001.160
416 aggebagge 100.0001.160
417 litenblames 100.0001.159
418 tvÄ stycken sony a6000 som fÄtt liv 100.0001.159
419 Ftpd 100.0001.159
420 Olivsson 100.0001.159
421 Den laglöse 100.0001.159
422 @everyone testing 100.0001.158
423 Testa rÄ 100.0001.158
424 bitkn4ckarna 10.0000.186
425 [team Team] 10.0000.186
426 EnsamÄrStark 10.0000.185
427 GudMaskN 10.0000.185
428 Visby Korv1 10.0000.185
429 soala gogo 10.0000.185
430 NaN_Undefined 10.0000.185
431 Thryve 10.0000.185
432 J 10.0000.184
433 Machinery 10.0000.184
434 Atlas Neural Security 10.0000.184
435 CultOfDeadCow 10.0000.092

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