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DEF CON Groups are local meetings of people between interested in technology and hacking Listing
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For conversations and ideas that don't fit any of the sub-forums below
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#Badge Life
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A place for building, buying, selling, or showing off your #badgelife badges
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HardenedBSD
HardenedBSD HardenedBSD
The HardenedBSD Project is a clean-room reimplementation of the grsecurity patchset for the wider BSD community. (site https://hardenedbsd.org/)
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infocon.org
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Community of people helping build an archive of security conferences, podcasts, training, and more
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Conversations and the latest Policy developments impacting technology and securing our digital society
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Satellite Hacking
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Interested in the technologies used in satellites, and how to hack them?
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Conference Archives
Archives of past planning and forum conversations, still open but not very active.
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DEF CON Archives
DEF CON Archives DEF CON Archives
Collection of Forum Discussions over previous DEF CON conferences.
Past DEF CON Forum Content
Discussion of content from past Defcons such as video feeds and audio feeds and an archive of forum discussions
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Upcoming Events

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  • Apr 28
    All Day | DEF CON is growing. Our mission to support and showcase the best of the hacking community is going global. Next stop - Singapore!

    We are excited to announce that DEF CON and HTX (Home Team Science and Technology Agency) will be co-organizing DEF CON SG with Centre for Strategic Infocomm...
  • May 22
    All Day | Please welcome the DEF CON 34 CTF organizers, Benevolent Bureau of Birds! We're excited to have them on board. Your first chance to see what they're bringing to the table will be in the DC34CTF Qualifier Round, scheduled for May 22-24, 2026. The Birds are online at https://bbbirds.org. Info about our...
  • May 22
    All Day | The wait is over. Preregistration for DEF CON 34 opens TODAY!

    Reminder – the cash route is unchanged: Cash at the door registration (LineCon) will continue in its traditional, vibey fashion (think hacker slumber party). Doors open Thursday, August 6 and the price is $520.

    ...
  • Aug 6
    All Day | Good News, Everyone! We have the official dates for DEF CON 34! And to make up for the delay, we also have the dates for DEF CON 35!

    Please join us at the Las Vegas Convention Center August 6-9 in 2026 and August 5-8 in 2027.

    Save the dates, friends. It'll be here before you...
  • Nov 8
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  • Aug 5
    All Day | DEF CON 35 will be held August 5 to August 8, 2027
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  • 4rsin
    DRINK
    by 4rsin
    Just checking in and would like to provide a challenge.. can anyone answer the following? In context to defcon.. when, where and how drink came to be? Love to hear everyone’s perspective and feedback.. may the streams flow purple!!!...
    1 day ago
  • TheeBattousai
    New here to Defcon and the security world have some questions..
    by TheeBattousai
    Hey I notice the forums are a little dead but ill try anyway. This is going to be my first time attending defcon and im still a begginer. I am currently transitioning from accounting work to security. Ive started with my Google cs cert and am doing try hack me now and will go for my comptia + after....
    2 weeks ago

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