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The First International High School STEM Olympiad Hosted in Sydney

The World's Premier Cybersecurity Competition for Young Talents

Sydney, Australia
27 June - 2 July 2026
000 Days
00 Hours
00 Minutes
00 Seconds
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ICO 2026 Competition Guide (Beta Version)

Essential information for all participants - rules, schedule, requirements, and more.

Download Beta PDF 17 Feb 2026
NEW
04 MAR 2026

ICO 2026 March Update — Hotels, Practice Platform & More

ASRA remains fully committed to hosting ICO 2026. Hotels confirmed, practice platform live at practice.ico2026.au, registration open, and 95%+ budget locked. Observer programme now available for additional delegates.

READ MORE
05 FEB 2026

IC/ISC Winter Meeting - February 16-17

The IC/ISC Winter Meeting will be held at Macquarie University on February 16-17, 2026. Final competition rules and guidelines will be announced afterward. Current website content marked as "Beta" is based on ICO 2025 as reference for new member countries.

01 FEB 2026

ICO 2026 Official Website Launch

We are excited to announce the official launch of the ICO 2026 website. Sydney, Australia will host the International Cybersecurity Olympiad from June 27 to July 2, 2026. Registration opens January 15, 2026.

45+ Countries & Territories
6 Days of Competition
2026 2nd Edition

What is the International
Cybersecurity Olympiad?

The International Cybersecurity Olympiad (ICO) is a global competition bringing together the brightest young cybersecurity minds from 45+ nations.

Inspired by the International Olympiad in Informatics (IOI), ICO fosters cybersecurity education, real-world competition, and international collaboration. After its inaugural edition in Singapore in 2025, ICO 2026 moves to Sydney, Australia.

"Bringing together the brightest young cybersecurity minds from over 45 nations."
Letter of Support
Associate Professor Tan Sun Teck, IOI President & ICO Founder
A/Prof. Tan Sun Teck IOI President & ICO Founder
Australia & Singapore

Australia & Singapore: A Shared Vision for Cyber Education

ICO's journey from Singapore (2025) to Sydney (2026) mirrors a deepening bilateral partnership. In October 2025, the Prime Ministers signed the Comprehensive Strategic Partnership (CSP) 2.0 — a ten-year framework strengthening cooperation in cyber and emerging technology, AI, and education. Learn more →

Join ICO 2026

Secure your team's spot at the premier cybersecurity competition

Early Bird

January 15 - March 1, 2026

Team Registration €1,900
Observer Pass €1,600
Late

April 11 - May 1, 2026

Team Registration €2,600
Observer Pass €1,800

Each country sends one team. Contact your national organization to be selected.

View participating countries →

No national committee in your country yet?

Apply to Become a National Organizer
|

Hosted at
Macquarie University

ICO × Macquarie University

Macquarie University is a comprehensive research-intensive university ranked #138 globally (QS 2026) and #48 in Computer Science & Engineering worldwide.

Located in Sydney, Australia's vibrant tech hub, the campus offers world-class facilities perfect for hosting an international cybersecurity competition.

Explore the Venue
#138 QS World Ranking
#48 CS & Engineering Global
#4 In Australia for CS
45K Students

45+ Countries & Territories

Teams from around the world competing for excellence

🇦🇺 🇺🇸 🇨🇳 🇯🇵 🇰🇷 🇩🇪 🇫🇷 🇬🇧 🇮🇳 🇧🇷 🇨🇦 🇸🇬 🇮🇩 🇻🇳 🇹🇼 🇵🇱

and many more...

Our Sponsors

ICO 2026 is made possible by our generous sponsors and partners.

Ready to Compete?

Join the world's best young cybersecurity talents in Sydney, 2026