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Digital Security for Everyone

November 11, 2015

Digital Security for Everyone

introductory digital security talk for broad audience


November 11, 2015

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  1. But I have nothing to hide. Yes, you do. Your

    medical information, your financial information, your political beliefs, your sexual identity, nudity, …
  2. People have been defending their own privacy for centuries with

    whispers, darkness, envelopes, closed doors, secret handshakes, and couriers. - Eric Hughes
  3. What is Cryptoparty? • A grassroots international movement to provide

    spaces for people of all types to get training in digital security • Non-commercial and free • Significant interest among activism, law, journalism, LGBT communities
  4. Threat Modeling • What information am I trying to protect?

    • Who am I trying to protect it from (my adversary)? • What is my adversary able and willing to do to find out? • What happens if I fail?
  5. • Goal is NOT: Perfect security • Goal is: Make

    surveillance significantly more difficult and costly • Win: Exert slightly more effort than your adversary is willing to commit
  6. End-to-End (e2e) Encryption • Off-the-Record (OTR) messaging: IM encryption •

    Clients: Pidgin/Adium • PGP “Pretty Good Privacy”: Email encryption • Clients: Enigmail, Mailvelope
  7. Signal Private Messenger • End-to-end encrypted calls and messages •

    Encrypted content, not metadata • Support on Android and Apple IOS • Free and open- source
  8. Anonymity • Anonymity means you can’t tell who did what

    • Tor anonymizes your identity from the destination website, your ISP, employer, government, etc. • Browse the web anonymously with the Tor Browser Bundle https://www.torproject.org
  9. protect your privacy help teach support these tools and the

    orgs that make them HTTPS Everywhere Signal Tor
  10. Thanks! Next Cryptoparty: 2pm Saturday December 5th, 2015 at South

    Side Hackerspace HTTPS Everywhere Signal Tor