Tue, 19 May 2026, 00:00 UTC — Thu, 21 May 2026, 23:59 UTC 
On-line
A Hack for a Change event.
Format: Jeopardy 
Official URL: https://www.hackforachange.org/
This event's future weight is subject of public voting!
Event organizers
Welcome to the UN SDG CTF. This month’s theme is UN Sustainable Development Goal 1: Zero Poverty.
The challenges this time are inspired by advancements made in healthcare and personal wellbeing.
This CTF is designed to be accessible while still offering depth for experienced players. If you want a competition that feels meaningful, educational, and fun to solve, you’re in the right place. Join in and test your skills while exploring how security connects to the world beyond the screen.
This CTF will contain web exploitation as well as cryptography, reverse engineering, and forensics challenges.
This event is sponsored by The Knowledge Society. Sign up for their program using this link: https://application.tks.world/apply?utm_source=hack_for_change&utm_medium=partner_email&utm_campaign=applications_2026_2027&utm_content=&utm_term= and use this promo code: HackforChange2026 before May 31st to receive a $100 discount and priority application review.
Read more about TKS here: https://www.tks.world
248 teams total
| Place | Team | CTF points | Rating points | |
|---|---|---|---|---|
| 1 | hello world has been taken | 3950.000 | 49.060 | |
| 2 | WillHackForBeer | 3950.000 | 36.795 | |
| 3 | Lv1x | 3950.000 | 32.707 | |
| 4 | joecybertech | 3950.000 | 30.663 | |
| 5 | Tw-Cyber | 3950.000 | 29.436 | |
| 6 | MIE AYAM THE BEST | 3950.000 | 28.618 | |
| 7 | husor | 3950.000 | 28.034 | |
| 8 | N3tw0rkGhosts | 3950.000 | 27.596 | |
| 9 | GrandCatYU | 3950.000 | 27.256 | |
| 10 | codex-1779164956 | 3950.000 | 26.983 | |
| 11 | CanadaCTF | 3950.000 | 26.760 | |
| 12 | 0xtracer | 3950.000 | 26.574 | |
| 13 | Team Hunter | 3950.000 | 26.417 | |
| 14 | CHT_Solver | 3950.000 | 26.282 | |
| 15 | ExploitCartelAlbania | 3950.000 | 26.165 | |
| 16 | ch1LL_R3L4x_grep | 3950.000 | 26.063 | |
| 17 | The Shadowers | 3950.000 | 25.973 | |
| 18 | ExploitX | 3950.000 | 25.893 | |
| 19 | sc@nєr | 3950.000 | 25.821 | |
| 20 | Dunderpatrullen | 3950.000 | 25.757 | |
| 21 | Utopians | 3950.000 | 25.698 | |
| 22 | BITSkrieg | 3950.000 | 25.645 | |
| 23 | milworms | 3950.000 | 25.597 | |
| 24 | veevcumentasuperior | 3950.000 | 25.552 | |
| 25 | G3 | 3950.000 | 25.511 | |
| 26 | JackSpeor | 3950.000 | 25.473 | |
| 27 | kr4k3n | 3950.000 | 25.439 | |
| 28 | Chumikov Sec | 3950.000 | 25.406 | |
| 29 | PTC CDC | 3950.000 | 25.376 | |
| 30 | Periodic Table | 3950.000 | 25.348 | |
| 31 | SOS | 3950.000 | 25.321 | |
| 32 | xls team | 3950.000 | 25.297 | |
| 33 | N01ZYB01 | 3950.000 | 25.273 | |
| 34 | Phantom Blaze | 3950.000 | 25.251 | |
| 35 | Z3R0 | 3950.000 | 25.231 | |
| 36 | 最強海巨: Ultimate Sea Giant | 3950.000 | 25.211 | |
| 37 | d00m | 3950.000 | 25.193 | |
| 39 | Just-Me-Pyurii | 3950.000 | 25.159 | |
| 40 | UletayuVDubai | 3950.000 | 25.143 | |
| 41 | Blackout | 3950.000 | 25.128 | |
| 42 | MDN_1CH94N | 3950.000 | 25.114 | |
| 43 | sent_tree_pay | 3950.000 | 25.100 | |
| 44 | runtime terror | 3950.000 | 25.088 | |
| 45 | bananna | 3950.000 | 25.075 | |
| 46 | Nandy Narwhals | 3950.000 | 25.063 | |
| 47 | Sentinel | 3950.000 | 25.052 | |
| 48 | CRY5T4L | 3950.000 | 25.041 | |
| 49 | 0xF | 3950.000 | 25.031 | |
| 50 | 0xwtoh | 3950.000 | 25.021 | |
| 51 | D351GN3RX | 3950.000 | 25.011 | |
| 52 | dnorhoj | 3950.000 | 25.002 | |
| 53 | UTASec | 3950.000 | 24.993 | |
| 54 | JSoyke | 3950.000 | 24.984 | |
| 55 | 0xroot3d | 3950.000 | 24.976 | |
| 56 | T1L4NGY0N | 3950.000 | 24.968 | |
| 57 | UoASFC | 3950.000 | 24.960 | |
| 58 | 3RROR_4O4 | 3950.000 | 24.953 | |
| 59 | dagbachi | 3950.000 | 24.946 | |
| 60 | CyberOps | 3950.000 | 24.939 | |
| 61 | WhiteOps - AUI | 3950.000 | 24.932 | |
| 62 | Operators LLC | 3950.000 | 24.926 | |
| 63 | DLHack | 3950.000 | 24.919 | |
| 64 | IRESDTU | 3950.000 | 24.913 | |
| 65 | NovaX | 3950.000 | 24.907 | |
| 66 | FunCTF1234 | 3950.000 | 24.902 | |
| 67 | CYBERDUNE CLUB | 3950.000 | 24.896 | |
| 68 | 0x67 got deep | 3950.000 | 24.891 | |
| 69 | THAnks4Shell | 3950.000 | 24.886 | |
| 70 | N4DTTG | 3950.000 | 24.880 | |
| 71 | Bobrs | 3950.000 | 24.875 | |
| 72 | IgelsCTF | 3950.000 | 24.871 | |
| 73 | XROOT | 3950.000 | 24.866 | |
| 74 | Fox | 3850.000 | 24.240 | |
| 75 | M3RC3N4RY | 3800.000 | 23.926 | |
| 76 | rika | 3550.000 | 22.369 | |
| 77 | Rolandas | 3550.000 | 22.365 | |
| 78 | Sp4rkl3 | 3550.000 | 22.360 | |
| 79 | rs | 3550.000 | 22.356 | |
| 80 | BARRACUDA TEAM | 3400.000 | 21.421 | |
| 81 | lone_wolf | 3300.000 | 20.796 | |
| 82 | madProcessors | 3300.000 | 20.793 | |
| 83 | iaccep | 3250.000 | 20.478 | |
| 84 | Snorlaxxxxx | 3250.000 | 20.475 | |
| 85 | 1ts_n0t_s0_e4sy_my_h0n3y | 3150.000 | 19.850 | |
| 86 | TEAM | 2950.000 | 18.605 | |
| 87 | mit_cbc | 2950.000 | 18.602 | |
| 88 | ArkoseLabs | 2950.000 | 18.599 | |
| 89 | Drak1337 | 2950.000 | 18.595 | |
| 90 | AThreeLetterWord | 2900.000 | 18.282 | |
| 91 | 401_πR4tes | 2900.000 | 18.279 | |
| 92 | anatac_udar | 2850.000 | 17.965 | |
| 93 | classified_404 | 2750.000 | 17.342 | |
| 94 | Ahreng | 2650.000 | 16.718 | |
| 95 | Cuervo_101 | 2650.000 | 16.715 | |
| 96 | Beardot | 2550.000 | 16.091 | |
| 97 | SIGINT | 2500.000 | 15.778 | |
| 98 | bdhxgrp | 2350.000 | 14.844 | |
| 99 | All alone | 2200.000 | 13.910 | |
| 100 | 0xpwns3c | 2200.000 | 13.908 | |
| 101 | раком | 2050.000 | 12.974 | |
| 102 | test | 2000.000 | 12.661 | |
| 103 | Teknologi Rekayasa Ompreng | 1950.000 | 12.348 | |
| 104 | b33f's newbie | 1900.000 | 12.035 | |
| 105 | 0xHydra | 1900.000 | 12.033 | |
| 106 | frank1q22 | 1850.000 | 11.720 | |
| 107 | Sigmas | 1850.000 | 11.718 | |
| 108 | samcrow | 1850.000 | 11.716 | |
| 109 | Tiger | 1800.000 | 11.403 | |
| 110 | Bismillahmenang33 | 1800.000 | 11.401 | |
| 111 | gawsm | 1750.000 | 11.089 | |
| 112 | beginnerctfplayers | 1750.000 | 11.087 | |
| 113 | sherky | 1700.000 | 10.774 | |
| 114 | noob player here | 1650.000 | 10.462 | |
| 115 | R1yhtp | 1650.000 | 10.460 | |
| 116 | Team Bitcoin | 1650.000 | 10.458 | |
| 117 | Chīmu | 1650.000 | 10.456 | |
| 118 | JohnDoers | 1600.000 | 10.144 | |
| 119 | hex_lol | 1550.000 | 9.832 | |
| 120 | 1337 | 1500.000 | 9.520 | |
| 121 | team robinch | 1500.000 | 9.518 | |
| 122 | Lions🤡 | 1500.000 | 9.516 | |
| 123 | The Pwnstars | 1450.000 | 9.204 | |
| 124 | Sudo_Rajkumar | 1450.000 | 9.203 | |
| 125 | SwissOstrich | 1450.000 | 9.201 | |
| 126 | chmod777 | 1450.000 | 9.199 | |
| 127 | justtryingtofindflags | 1400.000 | 8.887 | |
| 128 | TeamAardvark | 1400.000 | 8.886 | |
| 129 | CrownSec | 1400.000 | 8.884 | |
| 130 | aba228 | 1400.000 | 8.883 | |
| 131 | FaB DDS | 1300.000 | 8.260 | |
| 132 | 0xHiddenLeaf | 1250.000 | 7.948 | |
| 133 | void_01 | 1250.000 | 7.947 | |
| 134 | Fluorine | 1200.000 | 7.635 | |
| 135 | C.D-Pereti | 1200.000 | 7.634 | |
| 136 | i miss sitting beside you | 1200.000 | 7.633 | |
| 137 | KXTI | 1200.000 | 7.631 | |
| 138 | TWICE-SamTuaBaht | 1200.000 | 7.630 | |
| 139 | ruanyue23 | 1050.000 | 6.697 | |
| 140 | Trap Cosplayer | 1050.000 | 6.696 | |
| 141 | FANTASTIC | 1050.000 | 6.695 | |
| 142 | Gahowa | 1050.000 | 6.693 | |
| 143 | hehehehe | 1050.000 | 6.692 | |
| 144 | her0's | 1050.000 | 6.691 | |
| 145 | T34M 4NT4R1KSH | 1050.000 | 6.690 | |
| 146 | rdy2hck | 1050.000 | 6.689 | |
| 147 | KXTI_ | 1000.000 | 6.377 | |
| 148 | Noob | 1000.000 | 6.376 | |
| 149 | Universe 7 | 1000.000 | 6.375 | |
| 150 | zero | 1000.000 | 6.374 | |
| 151 | OnePiece | 950.000 | 6.062 | |
| 152 | c8763 | 950.000 | 6.061 | |
| 153 | ASET | 950.000 | 6.060 | |
| 154 | PleaseIgnore | 950.000 | 6.059 | |
| 155 | None | 950.000 | 6.058 | |
| 156 | Magnesium | 950.000 | 6.057 | |
| 157 | CRYPTO | 950.000 | 6.056 | |
| 158 | VTCyber | 800.000 | 5.123 | |
| 159 | RockH@ck | 800.000 | 5.122 | |
| 160 | RoninSec | 800.000 | 5.121 | |
| 161 | oxship | 800.000 | 5.120 | |
| 162 | 寄傲 | 750.000 | 4.809 | |
| 163 | Israelions | 750.000 | 4.808 | |
| 164 | cyb3r.p4ls | 750.000 | 4.807 | |
| 165 | 头痛 | 750.000 | 4.806 | |
| 166 | 123456 | 700.000 | 4.495 | |
| 167 | Capybara | 700.000 | 4.494 | |
| 168 | MARK | 700.000 | 4.493 | |
| 169 | Japan is turning footsteps.... | 700.000 | 4.492 | |
| 170 | Nomex2 | 700.000 | 4.491 | |
| 171 | Vladimir_Makarov | 700.000 | 4.491 | |
| 172 | DeFaDeDe | 700.000 | 4.490 | |
| 173 | OmegaHacker | 700.000 | 4.489 | |
| 174 | Wireshark | 700.000 | 4.488 | |
| 175 | 4l3x | 650.000 | 4.177 | |
| 176 | EMT | 650.000 | 4.176 | |
| 177 | chinajojo | 650.000 | 4.175 | |
| 178 | Some_Team | 650.000 | 4.174 | |
| 179 | Ex0rcists | 650.000 | 4.174 | |
| 180 | CTF Jalur Doa | 650.000 | 4.173 | |
| 181 | U!T_3a$y_Pwn | 600.000 | 3.862 | |
| 182 | BeerPrimeTeam | 600.000 | 3.861 | |
| 183 | All games | 600.000 | 3.860 | |
| 184 | arystech | 550.000 | 3.549 | |
| 185 | 0x404 | 550.000 | 3.548 | |
| 186 | meong144 | 500.000 | 3.237 | |
| 187 | deepsleep | 400.000 | 2.615 | |
| 188 | Solo [Nepal] | 400.000 | 2.615 | |
| 190 | tae3 | 400.000 | 2.613 | |
| 191 | By`s team | 400.000 | 2.612 | |
| 192 | HSEC | 400.000 | 2.612 | |
| 193 | jmr3ls | 400.000 | 2.611 | |
| 194 | G1t0 Team | 400.000 | 2.610 | |
| 195 | Falcons | 400.000 | 2.610 | |
| 196 | CSG | 400.000 | 2.609 | |
| 197 | From zero to zero | 400.000 | 2.609 | |
| 198 | H0GR4 | 400.000 | 2.608 | |
| 199 | fiverrchan | 400.000 | 2.607 | |
| 200 | blkmage | 400.000 | 2.607 | |
| 201 | scrapteam | 400.000 | 2.606 | |
| 202 | Win123456 | 350.000 | 2.295 | |
| 203 | res__ | 350.000 | 2.294 | |
| 204 | moonctf | 350.000 | 2.294 | |
| 205 | RPCA-Cyber-Club | 350.000 | 2.293 | |
| 206 | fzhshzh | 350.000 | 2.293 | |
| 207 | Penguin Ops | 350.000 | 2.292 | |
| 208 | Depppp | 350.000 | 2.291 | |
| 209 | hehehaha | 350.000 | 2.291 | |
| 210 | HERS | 350.000 | 2.290 | |
| 211 | makamaka | 350.000 | 2.290 | |
| 212 | l4zy | 350.000 | 2.289 | |
| 213 | Peony | 350.000 | 2.289 | |
| 214 | JJDGANG | 350.000 | 2.288 | |
| 215 | n0c | 350.000 | 2.288 | |
| 216 | zodiac | 350.000 | 2.287 | |
| 217 | 铭文战士 | 350.000 | 2.287 | |
| 218 | Baby Warrior | 350.000 | 2.286 | |
| 219 | Anh3mB4cKy | 350.000 | 2.286 | |
| 220 | Default Credentials | 350.000 | 2.285 | |
| 221 | solo. | 350.000 | 2.285 | |
| 222 | moonsolo | 350.000 | 2.284 | |
| 223 | just student | 300.000 | 1.973 | |
| 224 | lol | 300.000 | 1.973 | |
| 225 | APC L3gi0N | 250.000 | 1.662 | |
| 226 | Team Krabath | 250.000 | 1.661 | |
| 227 | aLIONe | 250.000 | 1.661 | |
| 228 | Whiteberry | 250.000 | 1.660 | |
| 229 | Shadow0verFlow | 250.000 | 1.660 | |
| 230 | CLUTCH UP | 250.000 | 1.659 | |
| 231 | FUN:) | 250.000 | 1.659 | |
| 232 | runc-clear | 250.000 | 1.658 | |
| 233 | STeam | 250.000 | 1.658 | |
| 234 | cepapen116 | 250.000 | 1.657 | |
| 235 | hashmonaim | 250.000 | 1.657 | |
| 236 | DeadlockX | 250.000 | 1.656 | |
| 237 | syh666 | 150.000 | 1.035 | |
| 238 | Happinessess | 150.000 | 1.035 | |
| 239 | Ambitionless | 100.000 | 0.724 | |
| 240 | abcd | 100.000 | 0.723 | |
| 241 | SPOTLIGHT | 100.000 | 0.723 | |
| 242 | yuni2128 | 100.000 | 0.722 | |
| 243 | xiaoixa | 100.000 | 0.722 | |
| 244 | gogogo | 100.000 | 0.722 | |
| 245 | teamZebin | 100.000 | 0.721 | |
| 246 | Dark14 | 100.000 | 0.721 | |
| 247 | p03m | 100.000 | 0.720 | |
| 248 | Pirates | 100.000 | 0.360 | |
| 249 | 3Real | 100.000 | 0.360 | |
| 250 | 3am | 100.000 | 0.360 | |
