Frequent verification codes may appear for non-Mainland China IP visits. If visitors are severely affected, please send [IP|ASN](|AS14618) to the bottom mailbox to add to the whitelist


2022-06-10 06:28   First Batch of DEF CON 30 speakers is Live!    #defcon #安全文章 Friendly DEF CON 30 announcement - the first bunch of speakers are selected and available for your perusal on the DEF CON forums. Congrats to everyone already selected. Keep your eyes on this space for more selections!

2022-06-01 06:23   DEF CON Training Site is Live!    #defcon #安全文章 DEF CON Trainings registration is LIVE! Right after DEF CON 30, we're excited to offer these intensive 2 day classes with a certificate of completion. First come, first served so don't procrastinate.Class descriptions and reg information are at

2022-05-28 02:39   Weekend Updates! CTF Quals news, and New SE Community Q&A Today!    #defcon #安全文章 CTF NewsCTF Quals are almost here (May 28 at 0000 UTC) and the CTF Chat on the DEF CON discord is already open!From @NautilusCTF: #defcon quals chat on the Defcon discord is open. Come visit us in #ctf-discussion-text to ask all the important questions, like “when is web?” and “thi

2022-05-25 11:39   The Black and White Ball is Back!    #defcon #安全文章 A little announcement about DEF CON 30's Black and White Ball: the best-dressed entrants will get some to enter early and enjoy a few free drinks before we let everyone else in. So look sharp - more details to come.

2022-05-22 01:09   DEF CON Movie Night: 3 Days of the Condor    #defcon #安全文章 Join us Saturday the 21st at 8pm PDT for Sydney Pollack's 1975 spy thriller 'Three Days of the Condor'. Robert Redford plays a CIA researcher on the run and Ma Bell plays herself. We'll be hiding out in the DEF CON Discord ( under the code name movie-night-text.

2022-05-20 06:28   Check out Policy @ DEF CON!    #defcon #安全文章 Policy matters. The world has never been so connected, and mighty forces contend for the right to shape our digital lives. DEF CON believes the hacker community needs a voice in that process. To help people learn, connect and get involved with the leading edge of tech policy, we off

2022-05-14 05:58   The DEF CON 30 Website is live!    #defcon #安全文章 Good news, everyone! The DEF CON 30 official website is officially LIVE and DEF CON season is officially IN EFFECT. Bookmark it for a handy place to check out all of the DC30 infoz as they roll in. Check the calendar, jump into the forums, book a room - it’s all in one pl

2022-05-05 03:56   COVID Updates for DEF CON 30    #defcon #安全文章 DEF CON 30 is getting closer, and that means we’re starting to get questions about Covid-19 protocols for the in-person event. Here’s the current state of play. Some things have changed since DC29. The US has largely stopped checking vaccine status for entry to indoor events, owing at

2022-04-15 01:51   Training Coming to DEF CON 30, Call for Training is Open!    #defcon #安全文章 The wait is over - we’re ready to announce the Call for Trainers! This year we’re adding DEF CON Training – intensive, two-day courses of study aimed at building specific skills. In some cases, these courses will even carry a certification. The Trainings will be held August 15-16, th

2022-03-26 05:57   New Payment Option for DEF CON 30!    #defcon #安全文章 DEF CON is a cash-at-the-door kind of conference. Paying in cash helps protect your privacy, and search warrants can't vacuum up PII we don't collect. You will always be able to lay down US dollars in the reg line and collect your badge. Still, the experience of DC29 taught us a few t

2022-03-17 09:43   DEF CON Movie Night: Dark Star!    #defcon #安全文章 DEF CON Movie Night this Saturday will feature some more 70s sci-fi with John Carpenter’s ‘Dark Star’ from ’74. Join us 3-19 at 8pm PDT in the #defcon discord ( We’ll be in the movie-night-text channel.

2022-03-16 02:04   Villages for DEF CON 30!    #defcon #安全文章 The list of DEF CON 30 villages on the Forums has been updated! Stop by to check out the full complement of village goodness we're offering this year. Comment, like, subscribe, volunteer to help out - but mostly get amped. #defcon30approaches.

2022-03-12 06:55   Coming soon: Call for Training!    #defcon #安全文章 We’re excited to announce something new on the menu for DC 30 - DEF CON Training! We’re launching a lineup of intense two-day trainings taking place August 15-16 in the same venue, and we’re looking for trainers! WHAT: DEF CON We’re seeking Trainers for two-day training sessions right

2022-02-16 08:05   More DEF CON 30 Calls Opening!    #defcon #安全文章 Good news, everyone! We have more calls open for DEF CON 30!Call for Parties and Meetups: your dreams of throwing an epic party at DEF CON 30 are within your reach! If you have a solid concept to wrap some next level festivities around, get at us. The best ideas will get space and suppor

2022-02-03 03:47   New Calls Open for DEF CON 30!    #defcon #安全文章 You know how you can tell it’s DEF CON season? The Calls. When you hear the distinctive warble of the DEF CON Content calls, you know what’s up. It’s like the first robin of spring, if robins were cooler and more hacker-focused. Today we’re opening three more DEF CON 30 Calls: Call