Sometimes, as an end user, you need to be able to add on an extra level of security for your data. It is not that your system admin does not do a crack up job – the odds are that he or she is taking very real and important steps to protect the data that is stored on your network. Your friendly local admin is not psychic, however, and as a mere mortal, he or she must also depend to a degree on your good judgment and ability. Today, we are looking to expand on that ability by showing you how to lock down a file.