"The guest account helps to prevent the risk, and limit
the functionality of the system to the minimum for temporary users.
The restrictions are really strong as the guest has almost no
rights. What is interesting, the guest account is not able to save
any files on the hard drive permanently, as the guest account is
tempory, and is fully erased after logging out.
"Encryption of home directory
"Another interesting function which positively influences the
safety of the system is the encryption of the home directory. Only
the specific user gains access to this folder. It is a long awaited
function. One does not need to install TrueCrypt any more, however
the inbuilt ciphering functions will not satisfy all the privacy