Digital information and communications security

Notes to accompany the Exeter Observer key topic workshop on digital information and communications security.

This workshop assumes that the case for digital information and communications security is established.

It suggests techniques and tools for those using common operating systems. Others are available: some are listed in the advanced section.


One approach:

  1. No such thing as perfect security
  2. Understand your situation cf. threat model
  3. Think weakest link cf. end to end encryption
  4. Keep it simple
  5. Keep it free? cf. open source software
  6. Know who to trust
  7. Update!

Device security

Message security


cf. Off-the-Record Messaging (OTR)


cf. key verification

Network security

cf. Panopticlick

cf. 2FA, Fido alliance

cf. LineageOS

Advanced security

cf. VirtualBox

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Journalism skills workshop notes

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