> For the complete documentation index, see [llms.txt](https://ctf.zeyu2001.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ctf.zeyu2001.com/2021/the-infosecurity-challenge-tisc-2021.md).

# The InfoSecurity Challenge (TISC) 2021

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 puz

Here are my solutions for The InfoSecurity Challenge (TISC) 2021, a Singaporean CTF organized by the Centre for Strategic Infocomm Technologies (CSIT).

The challenges were definitely quite interesting. I didn't spend as much time on this competition as I would have liked, but I did well enough to receive some swag!

| Challenge                                                                                                        | Category            | Points |
| ---------------------------------------------------------------------------------------------------------------- | ------------------- | ------ |
| [Level 1 - Scratching the Surface](/2021/the-infosecurity-challenge-tisc-2021/level-1-scratching-the-surface.md) | Forensics           | 100    |
| [Level 2 - Dee Na Saw as a need](/2021/the-infosecurity-challenge-tisc-2021/level-2-dee-na-saw-as-a-need.md)     | Network Forensics   | 100    |
| [Level 3 - Needle in a Greystack](/2021/the-infosecurity-challenge-tisc-2021/level-3-needle-in-a-greystack.md)   | Reverse Engineering | 100    |
| [Level 4 - The Magician's Den](/2021/the-infosecurity-challenge-tisc-2021/level-4-the-magicians-den.md)          | Web Pentesting      | 100    |