Todays computers contain a multitude of data. Data provided by the computer manufacturers, downloaded from the internet and data supplied by you the user. All this data hanging about on our hard drives leaves us wide open to data theft.
Data thieves have to work hard to get information from corporate servers in most business centers. But almost all home pcs (yes even macs) are wide open for them to access. Most people that are online do not even know what a firewall is or how to set it up to protect their data. Security knowledge is our best friend to help protect our sensitive data.
Example:
A friend of mine worked for an accounting