So other people don't steal from you.
There are really only two reasons for using a LAN:To have others share resourcesTo add security
According to Consumer's Digest, the best buy for a security alarm plus quality is a GE Home Security system. Here is a link for reasons to choose GE Home Security: http://homesecurity.protectamerica.com/
The security of Linux, no Viruses, harder to hack than Windows.
Security as airports is intense. People lock their doors for security reasons.
Very rare, but surely it's for good reasons for security verification.
For security reasons
Cyber security
Hopefully, you don't. Security cameras are where they are for very important reasons.
You receive an email from your bank requesting that you forward them your account password for security reasons
A security camera is good to have around when your house gets robbed or for security reasons. You can find a wireless camera at BestBuy, Office Depot, or any other electronic store in your city.
Lockdown at prisons are not typically broadcast to the public for security reasons. If you are trying to contact someone at USP Victorville and are not able to, odds are good it is in lockdown, and there are any number of reasons for it.
For security reasons.