Joined December 2014
63 Photos and videos
Congratulations to the winners of this year's GPN CTF: 🥇 "H-T8" (ht8.fi/en/) 🥈 "W4llz" (@w4llz_Team) 🥉 "z0d1ak" (@ACM_VIT) We hope everyone had fun with our challenges, and we'll see you all again 🚀
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We would like to thank our writeup sponsor: @zellic_io - they hire and apply top talent to the world's most critical security problems, specializing in securing blockchain companies and smart contract protocols.
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And finally, no event would work without an infrastructure sponsor: #telemaxx- they are a Karlsruhe-based provider of state-of-the-art data center, housing, managed and telecommunications services for business customers. telemaxx.de/en/

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GPN CTF 2026 at @entropiagpn is now served and the buffet is open for 36 hours! Come taste our freshly cooked challenges. ==> gpn24.ctf.kitctf.de <== If you're on-site, pull up a chair! (The set table in front of the merch desk with a KITCTF flag on it)
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May 29
GPNCTF goes into its next course! We currently have some great challenges in the oven, ready for GPNCTF 2026. Get excited for food from a wide range of cuisines and some fusion dishes. Taste what we cooked up from 05 June, 10:00 - 06 June, 22:00 UTC gpn24.ctf.kitctf.de
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May 20
After a week of web exploitation, it is time to descend to the binary level and add reverse engineering into the mix. Ik0ri4n will get you started with his talk on Thursday, 7 pm in the KIT CS building (50.34), room -102. kitctf.de/intro/

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This thursday our intro talks are starting again! If you wanna know what ctf is and what the Web exploitation entails come join us at 7pm in -102 in the CS building (50.34) at KIT
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Apr 23
This Thursday, @ik0ri4n will talk talk about how to recover structure from Android binder messages used by C services 🎉 7pm -120, 50.34
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26 Dec 2025
Pleasant surprise to see our mascot being used in CCC's awareness communication as header picture :) (events.ccc.de/en/2025/12/18/…)
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4 Dec 2025
Check out the writeup for "Pls respond" from last weekend's @LakeCtf by @PrionBreaker, Benedikt and n0rdan if you ever wanted to learn about formats used in SMS messages and what the hell Wireless Vector Graphic (WVG) are :P kitctf.de/writeups/lakectf-p…

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2 Dec 2025
Our “getting started talk series” is coming to a close! This Thursday Timon will conclude it with his talk about cryptography. 7pm **-101**, 50.34
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26 Nov 2025
Next stop for our intro series this Thursday: An introduction to binary exploitation/pwning by Lennard. 7pm -101, 50.34
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24 Nov 2025
We got third place at @LosFuzzys Glacier CTF 🎉 Thank you for organizing and the IDA Pro license :D
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18 Nov 2025
After a week of web exploitation, it is time to descend to the binary level and add reverse engineering into the mix. Misterpine will get you started with his talk on Thursday, 7 pm in the KIT CS building (50.34), room -101.
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18 Nov 2025
We had a lot of fun playing Platypwn 2025 last weekend and achieved 6th place 🎉 Thank you for hosting a CTF with such a nice variety of different categories and until next time!
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11 Nov 2025
Want to get into CTFs? Our series of talks and challenges is a great opportunity to do that. Come by every Thursday at 7 pm in the KIT CS building (50.34), room -101. We will start with an intro into CTFs and web hacking on the 13th of November. More info: kitctf.de/intro/

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11 Nov 2025
Talks will be held in german. We can likely answer questions and provide support in english afterwards, if required.
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