information security & capture the flag
I've participated in several information security competitions, sometimes under
teams /bad
or mushroom
π. Cryptography and reverse engineering puzzles are
my sort of thing. Some of my βοΈ writeups
are available on github.
2022
- Hack-A-Sat 3 Qualifiers - Played with Tea MSG, Team 13th place
- SEETF (βοΈ Writeups)- Played with claypot RCE, Team 4th place
- ENISA International Cybersecurity Challenge 2022 - Played with ACSC Team, π₯ Team 1st place for Attack & Defence and π₯ Team 2nd place overall
2021
- DSO-NUS CTF 2021 (βοΈ Writeups) - 21st place, participated solo
- CDDC 2021 (DSTA) - π₯ Team 1st place, but it's a long story...
- ACSC 2021 (βοΈ Writeups) - 9th overall, π₯ Individual 2nd in Singapore
- STANDCON CTF - Played with team Eridanus, Team 6th place
- ASEAN Cyber SEA Games 2021 - Represented πΈπ¬ Singapore, Team 3rd place
- TISC 2021 (CSIT) - 5/10 challenges cleared, Individual 7th place
- CTFTime 2021 Season - Played solo in many online competitions and reached 11th in Singapore
2020
- STACK the Flags 2020 (Govtech) (βοΈ Writeups) - Team 8th place, Tertiary category
2018
- Cybersecurity Challenge Singapore 2018 (CSA) - π₯ Top 6 indivdual + Top Team prize
- Cybersecurity Challenge UK 2018 - βοΈ Part of Singapore delegation
2017
- CDDC 2017 (DSTA) - π₯ 3rd place, JC/IP category
- Cybersecurity Challenge Singapore 2017 (CSA) - π₯ Top 6 indivdual + Top Team prize