UMassCTF is a 48-hour Jeopardy-style Capture The Flag event hosted by the University of Massachusetts Amherst Cybersecurity Club. I played with AmpunBangJago team and we were the... Read more

This year, I had the opportunity to create all cryptography challenges for Cyber Jawara 2021 competition. Here’s a summary of the challenges I created: Qual shuvvler (300... Read more

This year’s, qual round of HackToday had around 30 challenges created by 10 problem setters. I made 4 of them – 3 crypto challenges and 1 misc... Read more

CryptoCTF is an annual CTF event organized by ASIS since 2019, and it only focuses on cryptography problems. This year, CryptoCTF was held on July 30-31, 2021,... Read more

ångstromCTF is a CTF event organized by Montgomery Blair High School. This CTF had 5 challenge categories, including cryptography. I managed to solve 11 out of 12... Read more

Di penghujung tahun 2020 saya diberi amanah untuk menjadi salah satu problem setter event Capture The Flag (CTF) yang diselenggarakan oleh Indonesia Cyber Security Independence Resilience Team... Read more