CTF writeups for the CTF's I've participated in. Mostly as part of Cyberlandsholdet (2017, 2018), dtuhax (2019-) or kalmarunionen (2020-).
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2025
- Hack.lu CTF 2025. (#1)
- Google CTF 2025. (#2)
- ASIS CTF Quals 2025. (1 of 368)
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2024
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2023
- TencentCTF. (#2)
- Bornhack CTF 2023. (1 of 42)
- Google CTF 2023. (4 of 676)
- hxp CTF 2022. (3 of 181)
- KalmarCTF 2023. (Organizing)
- bi0sCTF 2022. (7 of 294)
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2022
- Real World CTF 4rd. (13 of 947)
- ASIS CTF Quals 2022. (1 of 532)
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2021
- hxp CTF 2021. (8 of 1035).
- Union CTF 2021. (2 of 466).
- BambooFox CTF. (9 of 513)
- Real World CTF 3rd. (13 of 270)
- TetCTF 2021. (8 of 519)
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2020
- TAMUctf 2020. (108 of 661)
- Midnightsun CTF 2020. (42 of 932)
- Cyberlandsholdet 2020.
- Google CTF 2020. (47 of 625)
- CSAW CTF 2020. (12 of 1214)
- TokyoWesterns CTF 6th 2020. (143 of 648)
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2019
- BSides SF CTF 2019. (26 of 1068)
- ångstromCTF 2019. (149 of 1570)
- DEF CON CTF Qualifier 2019. (99 of 1262)
- Facebook CTF. (233 of 1734)
- TokyoWesterns CTF 5th 2019. (173 of 1005)
- CSAW CTF'19 Quals. (127 of 1301)
- Syskron Security CTF. (2 of 584)
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2018
- Capture The Flag at Accenture!. (1 of ?)
- ...
- IceCTF 2018. (22 of 1746)
- TJCTF 2018. (41 of 1016)
- Google CTF. (65 of >2000)
- NC3 Jule CTF 2018. (3 of 459)
- European Cyber Security Challenge - London. (13 of 17)
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2017
- Pwn2Win CTF 2017. (10 of 207)
- BackdoorCTF 2017. (49 of 212)
- European Cyber Security Challenge - Malaga. (8 of 15)