![DEF CON 23 [Audio] Speeches from the Hacker Convention](https://is5-ssl.mzstatic.com/image/thumb/Podcasts123/v4/c3/f8/7e/c3f87e44-fc95-645c-620b-3c8e5117429e/mza_5097239825481086059.jpg/250x250bb.jpg)
The DEF CON series of hacking conferences were started in 1993 to focus on both the technical and social trends in hacking, and has grown to be world known event. Video, audio and supporting materials from past conferences are available on our new media server at: https://media.defcon.org