https://zerodays.ie/
Zero Days Security | CTF Events
Zero Days security. Gamified cyber security training and CTFevent hosting. One of the worlds largest on-site one day CTF events
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https://metactf.com/for-individuals/upcoming-events/
Upcoming Cyber Skills and CTF Events for Individuals - MetaCTF
Oct 28, 2025 - Sign up to receive emails from MetaCTF about upcoming events and other services, and learn about CTF events for individuals.
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