<p>Cyber Defenders Discovery Camp (CDDC) is DSTA's flagship student cybersecurity Capture-the-Flag competition, held annually under the BrainHack umbrella. Participants tackle challenges across reverse engineering, binary exploitation, cryptography, web application testing, and forensics.</p><ul><li>Open to JC, polytechnic, ITE, and university students in Singapore.</li><li>Structure: weeks of online preparatory training, followed by online qualifiers and a physical finals.</li><li>Registration for 2026: <strong>18 March – 2 May 2026</strong>.</li><li>Qualifiers: 16–17 May 2026. Physical Finals: 10–11 June 2026.</li><li>Over 400 participants annually from JCs, polytechnics, and universities.</li></ul><p>Registration is via the DSTA BrainHack event page. Participation is free and carries no bond.</p>