firebird on ecrypted file sytems (linux and windows)
On ubuntu linux i use encfs to create an virtual partition where i put my databases (and email, im logs) , Here is an howto create such an partition . On windows (i didn’t tested yet) but i heard about truecrypt (is an open source product). Here is an quote from their faq
Q: Is it possible to install an application to a TrueCrypt volume and run it from there?
A: Yes.