The InfoSecurity Challenge (TISC) is proudly organised by CSIT.

What is TISC? 

TISC is an online challenge organised by CSIT since 2020. It provides opportunities for interested Singaporeans to put their cybersecurity and programming skills to the test by solving challenging puzzles against the clock.

There will be a series of challenges for participants to complete. The levels will cover various topics. Topics from past TISC include Web Pen-testing, Forensics, Reverse Engineering, Binary Exploitation, Cryptography, Mobile Security and IoT.

Check out the winners and their write-ups from TISC 2020 and TISC 2021.

Participation & Registration

TISC is an individual challenge and open to Singapore citizens only. Employees and seconded staff of Defence Technology Community (DTC) are not eligible to participate. DTC consists of Centre for Strategic Infocomm Technologies (CSIT), Defence Science and Technology Agency (DSTA), DSO National Laboratories, and several MINDEF entities.


Win cash prizes up to $30,000.

Still have questions?

Check out our FAQs for TISC 2021 here. If you have any other enquires (bugs, write-ups etc), you can contact us at