information security & capture the flag

I've participated in several information security competitions, sometimes under teams /bad or mushroom 🍄. Cryptography and reverse engineering puzzles are my sort of thing. Some of my challenge writeups are available here.

2022

  • ENISA International Cybersecurity Challenge 2022 - Hopefully its happening in 🇬🇷 greece this year!

2021

  • DSO-NUS CTF 2021 - 21st place, participated solo
  • CDDC 2021 (DSTA) - 🥇 1st place, but it's a long story...
  • ACSC 2021 - 9th overall, 🥈 2nd in Singapore
  • STANDCON CTF - 6th place, Team Eridanus
  • CTFTime 2021 Season - Played solo in many online competitions and reached 11th in Singapore

2020

  • STACK the Flags 2020 (Govtech) - 8th place, Tertiary category

2018

  • Cybersecurity Challenge Singapore 2018 (CSA) - 🥇 Top 6 indivdual + Top Team prize
  • Cybersecurity Challenge UK 2018 - ✈️ Part of Singapore delegation

2017

  • CDDC 2017 (DSTA) - 🥉 3rd place, JC/IP category
  • Cybersecurity Challenge Singapore 2017 (CSA) - 🥇 Top 6 indivdual + Top Team prize