A USB memory stick is useful sometimes but lose it and the files could be read by anyone. Truecrypt is one possible solution and is shareware for PCs and Macs that encodes entire folders. Create a folder, open Truecrypt, selct the folder, specify a passowrd and then drop and drag files to the folder. Truecrypt encodes them as you do it. To retrieve data you need to use the same computer and enter the password, after which the folder opens like any normal one.
This is an extract from an article in the Sunday Times this week. Tried it out and it got too complicated too soon. Maybe there is a simpler way, and I thought that it would be nice and easy.
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