This strip appeared in issue #17 of Linux Voice magazine, which included an article encryption and privacy.

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↓ Transcript
[Panels 1 & 2: Elvie's friend is speaking to her on the phone]

Friend: Don't you think you're being a bit paranoid with all this encryption nonsense…?

Friend: The government aren't interested in what you had for dinner, or the contents of your shopping list!

[Panel 3: It's revealed that a pair of spies are eavesdropping on Elvie's conversation]

Spy 1: …a bag of prawn crackers, some Garibaldi biscuits, a copy of 'Little Brother' and the latest edition of Linux Voice.

Spy 2: She Sounds like a commie to me. Put her on the watch list.