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