Audio from the 2015 Electronic Frontier Forums track at Dragon*Con.
33+ Hours of audio covering everything from the Edward Snowden and the NSA, Ingress, and PGP, through cryptography (specifically CIA's Kryptos) and how to file Freedom of Information Requests and Copyright Trolls, to 'What To Do If Police Want To Search Your Electronic Device', and 10 rules for dealing with police encounters
Also includes the annual favourite, Hacking 101
More details, including a full program list is at http://eff.dragoncon.org/2015-schedule/
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MP3 format (OGG format available in another torrent)
Audio released under a CC-BY-NC-SA license