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Safer Online Communication

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At the time when corporations and states want to control our online lives and ban encryption we will dedicate a workshop to safer online communication.

We will learn how to use strong passwords and passphrases, use Virtual Private Networks to access internet, send encrypted emails and add plugins that disable online tracking to our web browsers.

LFU, 16 March 2019

Published in: Internet
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Safer Online Communication

  1. 1. Safer online communication Maja Kraljic, @_22nds LFU, March 16 2019
  2. 2. Contents ● Passwords and Password Manager ● VPN ● Email encryption ● Browsers and add-ons
  3. 3. #passwords Let’s talk about passwords!
  4. 4. Compromised accounts - https://haveibeenpwned.com/
  5. 5. #passwords
  6. 6. Entropy as a measure of password strength 2^103 #passwords
  7. 7. Password Managers #passwords
  8. 8. KeePassXC - https://keepassxc.org/
  9. 9. Password generator
  10. 10. Passphrase generator
  11. 11. VPN #vpn
  12. 12. VPN Foto: https://thebestvpn.com/what-is-vpn-beginners-guide/
  13. 13. RiseupVPN - https://riseup.net/en/vpn/betatest
  14. 14. Encrypted Email
  15. 15. Why Encrypted Email?
  16. 16. How Encryption Works?
  17. 17. Public and private keys
  18. 18. Encrypt & Decrypt a Message Hello Cathy! Hello Cathy! Encrypt Decrypt 5GWSE3T H6VFN7JE Cathy’s public key Cathy’s private keyCathy Alex
  19. 19. ● Generate public and private key ● Share the public key so others can encrypt the message ● Use private key to decrypt message ● Sign the message with your private key
  20. 20. Setup Email Client
  21. 21. Thunderbird - https://www.thunderbird.net
  22. 22. Gmail Settings - Enable IMAP - https://mail.google.com/mail/#settings/fwdandpop
  23. 23. Thunderbird - Settings for Existing Email Account
  24. 24. Thunderbird - Settings for new account
  25. 25. Thunderbird - Successful setup
  26. 26. Setup Email Encryption
  27. 27. Linux: GnuPG - https://www.gnupg.org/download/ Mac: GPG Tools - https://gpgtools.org/ Windows: Gpg4Win - https://gpg4win.org/
  28. 28. Enigmail - https://addons.thunderbird.net/en-US/thunderbird/addon/enigmail/
  29. 29. Enable OpenPGP
  30. 30. Enigmail > Key Management
  31. 31. Enigmail > Setup Wizard
  32. 32. Share Your Public Key
  33. 33. Enigmail > Attach My Public Key
  34. 34. Import keys
  35. 35. Sign & Encrypt Email
  36. 36. Sign & Encrypt Email
  37. 37. Browsers & Add-ons
  38. 38. HTTPS everywhere
  39. 39. Privacy Possum
  40. 40. Resources https://ssd.eff.org https://securityinabox.org

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