What is a alarm attaches to a computer with adhesive and to a cord or cable. If someone tries to take the cable off while the alarm is armed, it sounds a loud alert to everyone in the vicinity. Some alarms sound for hours and can only be stopped with a special code. Thieves don't like to call attention to themselves, so they may generally avoid alarms or ditch the computer if it starts making a loud noise.

What isIf you connect to the internet, you should always run a___ A____can block outside communication if you haven't authorized it and even stop data from entering or leaving the computer without your permission. There are both hardware and software firewalls, and you can run both at the same time.

What is Even though you may be the only one who uses your computer, don't continually log on using administrator rights. Use these rights only when you need to perform specific administrative tasks, such as maintenance. If you always run your computer in administrator mode, it may make it susceptible to security risks.

What is main idea Never let your computer remember passwords or supply one for you. Type in your password every time you log on to your computer so if someone takes your computer, they will not have unblocked access. Don't write down your passwords and keep them near the computer and don't leave your password blank; it is like leaving a key to the house hanging on the locked doorknob. You can also enable a password on your screen saver to provide double protection.

What is lets you view your screen normally while making the screen appear blank from side angles. This is especially useful when working with sensitive information in public places, open office workplaces, and while traveling, so onlookers cannot read what is on your screen.