Hacktivate is a capture the flag game for students aged 11-19, utilizing skills such as coding, encryption, networking, and more. Free for all UK schools!

Joined September 2023
Photos and videos
Hacktivate recently passed 500,000 solutions from students 🎉 #CyberFirstGirls is now only a few days away, but there's still time to join 350 schools and practice with Hacktivate – it's free! hacktivate.io
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In case you were wondering how schools are preparing for #CyberFirstGirls this year, the answer is: Hacktivate! We've had another 15,366 solutions in just the last week 🤯 With that level of effort, expect the competition to be *tough* this year – get practising now 💪
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Hacktivate retweeted
18 Jun 2025
I added 10 more schools to @hacktivateio last week – completely free cyber security challenges for schools around the world! 3 were in the UK, five in the US, and two elsewhere. It’s a fantastic, free classroom activity 👩‍💻🚀👨‍💻
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Congratulations to the winners of this year's @NCSC #CyberFirstGirls competition! Four of the winning teams used Hacktivate 🎉 We have 270 challenges in coding, encryption, networking, and more, all completely free for UK schools – it's the best way to help your teams prepare!
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Hacktivate is 100% free: no subscriptions, no upgrades, no catches, and no surprises – every student deserves the chance to learn computer skills regardless of their background or abilities. Get a free account for your school here: hacktivate.io
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With #CyberFirstGirls back for another year, we’re seeing another huge batch of schools signing up for Hacktivate to practise! We have over 250 capture the flag challenges for schools and universities, all free. No subscriptions, no purchases, no upsells – completely free 💫
📣Calling all teachers! Registration for the #CyberFirstGirlsCompetition goes live in September. 🏆Sign up now to receive support and resources before the competition begins: cyberfirst.eo.page/cyberfirs… 🌟Find out more here: ncsc.gov.uk/cyberfirst/girls… #CyberFirstGirls #GirlsinStem
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