The world's most fun and festive hacking challenge! 🎁 #HolidayHack by @CounterHackSec @SANSInstitute
Joined July 2018
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200 Photos and videos
Feb 12
🎉 Congratulations to our Holiday Hack Challenge winners! 🎉
🏆 Best Overall Answer: David Forsythe (0xdf)
💻 Best Technical Solution: Cody Travis
🎨 Most Creative Solution: Ben Krüger
Check out their reports on our Winners page and get 2026 inspired! go.sans.org/IVURI4
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Jan 28
🎄🎉 The Grand Finale is TOMORROW!
Join the SANS #HolidayHackChallenge Closing Ceremony to unwrap the winners, discover clever writeups, and toast to a community of merry hackers.
🎁 Don’t miss the holiday magic: go.sans.org/esql99
#HolidayHack
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Jan 20
🔁 Webcast RESCHEDULED
The SANS Holiday Hack Challenge Closing Ceremony was rescheduled to January 29.
If you have not registered, there's still time to celebrate the winners and learn what's to come in 2026!
🎁 Don’t miss the holiday magic: go.sans.org/mojgdv
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Jan 19
🎄🎉 The Grand Finale is TOMORROW!
Join the SANS #HolidayHackChallenge Closing Ceremony to unwrap the winners, discover clever writeups, and toast to a community of merry hackers.
🎁 Don’t miss the holiday magic: go.sans.org/esql99
#HolidayHack
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Jan 8
🔔 Whether You Sleighed or Just Played… the 2025 SANS #HolidayHackChallenge was full of festive feats.
Now it’s time to gather ‘round the digital yule log and relive the highlights.
🧦 Don’t miss the joy, the jokes, and the jaw-dropping solutions: go.sans.org/esql99
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Jan 4
🚨 Deadline Tomorrow! 🚨
Submit your Holiday Hack Challenge report by January 5 for a shot at awesome prizes — including a SANS OnDemand course or Skills Quest by NetWars!
Show your skills. Get spotlighted. Don’t miss out → sans.org/u/1D01
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Jan 2
🏅 Did You Play? Come Celebrate!
Whether you completed every challenge or just explored, the SANS #HolidayHack Challenge Closing Ceremony is for you. Celebrate the community, see who won, and learn from the best.
🎥 Don’t miss the finale: go.sans.org/esql99
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29 Dec 2025
Think you missed the SANS #HolidayHack Challenge? Not even close! The digital snow is still falling, and there’s time to jump into the puzzles and plot twists before the sleigh ride ends.
🎄 Slide into the action now: sans.org/u/1D01
#HolidayHackChallenge
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23 Dec 2025
🎅 Cyber Cheer to All
To everyone keeping systems secure and spirits high—thank you. As the year wraps up, we’re grateful for this incredible community.
Wishing you a restful, joyful, and vulnerability-free holiday season. ❄️
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22 Dec 2025
📣 Submit Your Report!
Submit your report by January 5 for a chance to win incredible prizes — including a SANS OnDemand course or a SANS Skills Quest by NetWars subscription.
Share your journey, show your skills, and join the finalists’ spotlight! ✨💻🎄sans.org/u/1D01
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19 Dec 2025
It’s not too early to lock in your spot for the SANS #HolidayHack Challenge Closing Ceremony! Join us as we unveil winners, walk through challenges, and send off the season in true style.
📅 Mark your calendar: go.sans.org/esql99
#HolidayHackChallenge
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16 Dec 2025
🎄The SANS #HolidayHack Challenge is in full sleigh mode!
Whether you're a new elf or a seasoned white beard, there's something for everyone. Dive in and make your winter a bit more… hacktacular.
🎅 Start sleighing the challenges today: sans.org/u/1D01
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10 Dec 2025
❄️ Chilly outside? Warm up your brain with the SANS #HolidayHack Challenge. Quantum computing, forensic analysis, and grand challenges provided by Google and Microsoft—It's free, it's fun.
🎄 Power up the holiday packet here: sans.org/u/1D01
#HolidayHackChallenge
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5 Dec 2025
🛍️✨ Holiday Hack Merch Is Here!
Suit up, holiday hacker! Grab exclusive #HolidayHack gear inspired by this year’s Revenge of the Gnome(s) adventure.
🧥 Hoodies
👕 Shirts
⛄ Stickers
Stay merry, mischievous, and cyber-ready! 🎄💻
stickermule.com/holidayhackc…
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3 Dec 2025
🎁 Forget sugarplums—let’s dream of exploits, crypto, and badge hacks. The SANS #HolidayHack Challenge is live, and December is your time to join the merriest cybersecurity competition of the year.
🔔 Jump into the jingle bell logs: sans.org/u/1D01
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26 Nov 2025
🛷 Don’t hack alone this holiday season!
Join the #HolidayHack community on Discord to team up, trade tips, and enjoy some merry mayhem.
🎧 Join the chat: discord.com/invite/Wbmx92rWW…
#HolidayHackChallenge #CTF
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21 Nov 2025
🎄 The SANS #HolidayHack Challenge 2025 is here!
Solve festive cyber puzzles, test your skills, and enjoy the most fun you’ll have in a browser this season.
Start your free holiday hacking now ❄️ sans.org/u/1D01
#CTF #HolidayHackChallenge
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12 Nov 2025
🎄The elves behind the 2025 SANS #HolidayHack Challenge just dropped a triple treat:
🔧 #CTF-Only Mode
⏱️ Micro-Challenges (~15 min)
🎓 Capstones for deeper dives
The game is LIVE, come sleigh some puzzles: sans.org/u/1D01
#HolidayHackChallenge
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KringleCon retweeted
8 Nov 2025
🐹🐱I completed the Neighborhood Watch Bypass challenge!
🍓Don't miss out on SANS
#HolidayHack x @SANSInstitute
sans.org/holidayhack
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KringleCon retweeted
9 Nov 2025
🐱🐭I completed the Its All About Defang challenge!
🍈Don't miss out on SANS
#HolidayHack x @SANSInstitute
sans.org/holidayhack
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