Terrier Cyber Quest 2026 has a new registration deadline, with the Territorial Army and CyberPeace extending the window to 31 August, ten days beyond the original 20 August cutoff.

The Territorial Army, working with CyberPeace, is running the third edition of the national hackathon, styled TCQ 3.0. It follows the inaugural Terrier Cyber Quest of 2024, held to mark 75 years of the Territorial Army, and last year's second edition. Defence sources said the extension gives late entrants more time to submit, with the online shortlisting phase now set for 1 to 10 September, confirmed in a Ministry of Defence release.

Terrier Cyber Quest 2026 keeps its three-track format

TCQ 3.0 retains the structure that shaped its two predecessors. Bug Hunting opens with an online Capture the Flag qualifier before moving to an in-person live sandbox finale, where finalists hunt for vulnerabilities inside a simulated critical infrastructure environment built for the competition.

AI Kavach runs on a different axis. It asks participants to build predictive threat intelligence tools, automated defence mechanisms and anomaly detection systems, aimed squarely at the kind of AI-assisted monitoring the Army has flagged as a priority elsewhere, including through the indigenisation push reviewed at the 15th DITCC meeting.

Creators Challenge widens the entry pool

The third track, Creators Challenge, targets content creators and influencers rather than coders. Entrants build awareness campaigns against deepfakes, phishing and misinformation.

Who Terrier Cyber Quest 2026 wants at the table

Eligibility runs wide by design. Defence sources said the competition is pitched at data analysts, drone experts, AI specialists, coders, cybersecurity professionals, content creators and influencers, drawn from academia, industry, research institutions, government bodies and the armed forces alike. That breadth marks a shift from earlier hackathons that stayed within uniformed or purely technical circles, echoing the wider cyber-readiness push already under way through initiatives such as the CISF cyber security training programme run with IIT Ropar.

Finalists get more than a trophy. Prizes, participation certificates, direct interaction with senior government and military figures, and visits to key defence establishments are on offer, according to the competition's promotional material.

Key dates for Terrier Cyber Quest 2026

Terrier Cyber Quest 2026 now closes registrations on 31 August. The online shortlisting round runs from 1 to 10 September. Shortlisted teams then head to the Grand Finale in New Delhi, scheduled across 6 to 8 October, with the award ceremony to follow on 9 October. Registration itself runs through the official Terrier Cyber Quest portal.

Aatmanirbhar Bharat runs through the competition's stated aim as much as its tracks. Organisers describe TCQ 3.0 as a route to indigenous solutions built by civilians and uniformed participants together, rather than developed in isolation and handed down afterward.

A recurring platform for the Territorial Army

The hackathon sits inside a broader push by the force to widen its footprint beyond its traditional roles in border support and disaster relief, a mandate reviewed in detail before a Parliamentary Consultative Committee earlier this year. Officials involved with earlier editions have described the format as a way to bring civilian technologists into direct contact with defence problem sets, without requiring them to join the force itself.

Two earlier editions ran on tighter timelines. TCQ 1.0 launched in 2024 to coincide with the Territorial Army's 75th anniversary; the second followed in 2025. The extension this year, along with the addition of drone experts and data analysts to the eligible pool, suggests organisers are widening the funnel further with each edition rather than narrowing it.