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@oooverflow

The new organizers of DEF CON CTF!

Vrijeme pridruživanja: siječanj 2018.

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  1. 21. stu 2019.

    The remaining qualifying events for 28 have been chosen! Winners of , HITCON, , , , DC China's BCTF, and top N from our quals will be invited! Philosophy, dates, and details here: . See you in Vegas!

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  2. 14. lis 2019.

    Attention hackers! Aside from the prequal events, you will all have a chance to qualify for 28 through the DEFCON CTF Qualifying event! will be held March 27! Start practicing now!

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  3. proslijedio/la je Tweet
    8. lis 2019.

    👀 🏟🗓 - another chance to get in the arena and earn a spot at the ! This weekend - don’t miss out!

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  4. 8. lis 2019.

    Attention teams! The qualifier for the next prequal event for 28 is THIS WEEKEND! Play Quals to qualify for HITCON Finals, and win HITCON Finals to earn a spot at DEFCON!

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  5. 11. ruj 2019.

    Relive the magic of hacking ML systems with this challenge ai-han-solo, which is now public:

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  6. 30. kol 2019.

    Good point! As always, the winner of last year’s qualifies for next year’s event! So PPP has already qualified for !

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  7. proslijedio/la je Tweet
    29. kol 2019.

    TokyoWesterns CTF 5th 2019 is pre-pre-qualifying CTF for DEF CON CTF! Register here to play:

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  8. 29. kol 2019.

    OOO has selected the first prequalifying event for #28 ! The winner of will be invited to test their skills in Las Vegas! To play CODE BLUE, teams must qualify through CTF, which is THIS WEEKEND! GO HACK!

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  9. 28. kol 2019.

    Attention CTF organizers (CC )! The Order is soliciting proposals for prequalifiers for CTF 28! If your event is l33t enough, fill out our Call for Prequals here:

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  10. proslijedio/la je Tweet
    23. kol 2019.

    I learned a ton about web assembly and had a great time creating "Super Smash OOOs" for the 2019 CTF Finals. It is now available for everyone to check out

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  11. proslijedio/la je Tweet
    20. kol 2019.

    It was an honor to help develop a challenge with for the ! Original Xbox and classic DOOM fans, rejoice: the DOOOM KoH challenge is now open-source. Are you able to hack your way to become reigning King of the Hill?

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  12. proslijedio/la je Tweet
    19. kol 2019.

    Interested in what happens during CTF? My yearly writeup of CTF's biggest competition is finally done: Thanks again to for hosting, and my teammates on for making this another thrilling competition!

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  13. proslijedio/la je Tweet
    16. kol 2019.

    For your Friday night hacking, I present the source of the mirror-universe challenge What if a wormhole appeared that took you to a mirror universe where the elegant Lisp Machine won out over UNIX/C? How could you hack then? /cc

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  14. proslijedio/la je Tweet

    It was an honor to help hosting CTF with the family ❤️. I just open sourced my service, aoool: a web server with nginx-like config and support for OSL, the OOO Scripting Language, a jitted language written from scratch.

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  15. 13. kol 2019.

    👏👏👏 s/o to , one of the FASTEST hackers on the planet took down speedrun challenges in less than FIVE minutes 😳 😎 The hacker youth is strong 💪... and fast 🏎

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  16. 13. kol 2019.

    FIRST release of challenge source. First up babi: (pronounced either as baby👶 or BA-bi, depending on how l33t you are) LAST release of the challenge source, vchat:

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  17. 13. kol 2019.

    Results from are posted to (some delay until they appear). We'll send out some feedback forms to team captains, but until then, feel free to provide feedback on :

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  18. proslijedio/la je Tweet

    Time to flex a bit :D this, coupled with a QBDI-based tool to track parsing progress, enabled us to understand aoool without going crazy CTF

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  19. proslijedio/la je Tweet
    12. kol 2019.

    I'll do my usual DEF CON ctf writeup once I get home and have a chance to catch up on sleep. Before I get started on it, is there anything people want me to discuss? I'm afraid that they all tend to be basically the same... (, )

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  20. proslijedio/la je Tweet
    12. kol 2019.

    Already had a great 28 CTF planning meeting with and walked the three hotels for next year. Now it is time for food!

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