class: center, middle .col-left[ # ~~Privacy Café~~ ## learn digital self-defense .lite[ Felix C. Stegerman `<flx@obfusk.net>`<br/>`@obfusk` 2015-01-24 ] ] .col-right[ .logos[.logos-1[  ]] ] .clear[ .logos[.logos-3[    ]] .lite[ https://privacycafe.nl - https://bof.nl - https://fsfe.org - https://cryptoparty.in ] .tiny[ <br/> [ languages: [en](index.html), [nl](index.nl.html) | press space for next slide, ? for help | [source] ] ] [source]: https://github.com/obfusk/cryptoparty-privacycafe-slides ] ??? * welcome * organised by ... .small[ NB: The logo of the FSFE must never be used in a way that could be understood as endorsing certain activities, home pages, products or entities without prior consent of the FSFE. ] --- name: default class: middle, center layout: true --- .w80[  ] ??? * who's this then? ---  ??? * someone's looking over your shoulder * vs reading a book (in a library) * be yourself, unwatched * data sold, no self-determination * less choice & freedom ---  ??? * in someone else's living room * always via --- .hugest[**Internet?**] ??? * ask audience * different views ---  ??? * the cloud? ---  ---  .logos-2[   ] ??? * data center ---  ??? * sometimes ... ---  --- .w80[  ] ??? * network of networks ---  --- .hugest[**Mail?**]  ??? * 3rd parties * chain * no direct connection (-> encryption) ---  --- .hugest[**Metadata?**] ??? * "we kill people based on metadata" * sometimes worse that data itself * location -> interview * social network visible (e.g. girlfriend) --- .huger[**How many characters in a tweet?**] --- .w70[  ] ??? * more than you think! --- .hugest[**Encryption?**] ??? * make surveillance expensive --- .w80[.logos-1[  ]] --- .w80[  ] ??? * caesar cipher * no longer recommended ---  --- .huge[**Regular Email**] <!-- {{{1 --> .box[ ``` Return-Path: <obfusktest@gmail.com> Received: ... Message-ID: <...@gmail.com> Date: Sun, 08 Dec 2013 22:53:28 +0100 From: Test User <obfusktest@gmail.com> User-Agent: ... Thunderbird/24.1.1 MIME-Version: 1.0 To: obfusktest@gmail.com Subject: test #3 - unsigned + unencrypted X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit a normal message ``` ] <!-- }}}1 --> --- .large[**Signed & Encrypted Email for Others**] <!-- {{{1 --> .box[.smaller[ ``` Return-Path: <obfusktest@gmail.com> Received: ... Message-ID: <...@gmail.com> Date: Sun, 08 Dec 2013 22:52:02 +0100 From: Test User <obfusktest@gmail.com> User-Agent: ... Thunderbird/24.1.1 MIME-Version: 1.0 To: obfusktest@gmail.com Subject: test #2 - sign + encrypt X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit -----BEGIN PGP MESSAGE----- Charset: ISO-8859-1 Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ hQEMA7cQS3ayLdgbAQgAkcbyScDEdrb2f2CB/HNlEESFAzQ9vC0xBxo2Zg1P5YoO hlaUNbMj6zc3H+yM+XjlOJuxAKWAevICOTbWvBSjD7pI267D3BGcpPwSpCvppK3o z/aR6onAzOqesjK/IJ3y7yHWN4sFvwghjeENU/KOMxsOmnapJokvzpN8KBoxK4/C a/4vVJ/2z1EgFEj9pgtaQ3PHb7pY+Kz19BbXfFlS4I7BwQAic8X9SnS9cQTexiU7 jzQUyTZTERuLoyVDd1QnM1GZdgkzugqTz9tlItr9P+7MRNH92fxdLYYXztt1eQYV eun1vyp18TbaWiGawNfDN3Qq/Z72zd48AWkyh5Edh9LAzAHSBUeTRYqHxxs/t2zt zgjNI8zztrxLLLxUDIuq2Zgcljja3yjo61GkdAFDzFX57uakV95xAUkrA7qwkwr3 610caXyQDvoksy49tgutJHMcr3iyl4oYadFwIflvNt+N70gFxYplx1IO+Tiw32b8 gpwoZVtEyUYr5Z71DGPrz9D6UzGUT6jvLtjnc53UTT5R7T7OZO1rtLzIpZ/Kzwsq CR0z57/kfkRme0wWWw2V4BzE+Fk4lNwoZbT71hsRKWwO3/Ljeb5GpwFF67LSiZme zXi4JKpf/NDHwNf60KmKZubKwcdIsK2X+I2CKNTVwb34xbV+kaLDc5bPrq8aKchV ToWiCatR6tVh8g3+OtVqkuGp52OZB3zoRorsAm64/P33HTNuELpTjq+0/HneBtaZ YMxeNDZ7Va9zXXRmrXNj5reudSFrCxRK9n5FM0OaFmWgTertxf6jwx40eZWIzaDc cgJiIKdFUDWxnRPMyjCQ6UDfml7rzWp1NgD75gRyZG4hSfhDKpBnBFrZvXTd5A== =oZHe -----END PGP MESSAGE----- ``` ]] <!-- }}}1 --> --- .huge[**Signed & Encrypted Email<br/>for Recipient**]  --- .w80[.logos-1[  ]] ??? * anonymity ---  ??? * familiar? --- .hugest[ Free<br/>[~~gratis~~, libre]<br/>software ] --- .hugest[ Free as in<br/>~~free beer~~<br/>freedom,<br/>free speech ] --- .huger[Who controls<br/>the software?] <br/> .huge[ Use<br/>Study<br/>Share<br/>Improve ] --- .hugest[ Security as a process ] ??? * not a purchase ---  ??? * one step at a time --- .hugest[ No such thing as<br/>100% secure ] --- .hugest[ Limitations & Weakest link ] ??? * not useful: armoured car from living in box to sleeping on bench * see menu! --- .huger[ What are you trying to protect and from whom? ] <br/> .huge[ Governments<br/>Corporations<br/>Identity theft ] --- .huger[ Self-reliance ] <br/> .huge[ Knowledge<br/>Skills ] <br/> .hugest[ Mindset ] ---  ??? * donations are welcome --- .w70[.logos-1[  ]] ??? * menu!