Holiday Hack Cybersecurity Challenge 2025 | SANS Institute Join the global cybersecurity community in the most festive and challenging event of the year! The SANS Holiday Hack Challenge cyber range offers FREE, high-quality, and super fun hands-on cybersecuri...

If you are looking for a fun (free) team building opportunity or you like game/challenge based learning the #HolidayHack challenge is live now and always a blast.

#CounterHack #CTF #KringleCon

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