Pc Security Systems

Written by Kevin Tavolaro
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Just as you would take steps to insure the safety of your car by locking the doors and activating the alarm, or your valuables by sealing them in a safe, you should also take steps to protect the data and resources on your PC. Private information, such as your credit card numbers, Internet passwords, banking information, and more might be stored somewhere on your computer, even if you're not aware of it. If not, sensitive information is likely to at least pass through your computer if you access your bank or credit card statements online, purchase anything from an e-commerce merchant, or engage in any other type of online transactions. In the eyes of a hacker or other cyber-criminal, that data can be as good as cash.

Your first level of PC security should be an anti-virus program. These programs monitor every file on your computer, as well as any incoming data, searching for signs of a virus. Because new viruses are always being unleashed, anti-virus programs need to be updated frequently. Fortunately, most such programs include an automatic update feature that can keep your computer protected against the latest threats. Automatic updates regularly configure your software to recognize signs of every known virus. When a potential threat is found, the software will usually offer you several choices. The potentially infected file can be deleted, ignored, or quarantined, where it won't contact (and possibly infect) other files until its integrity can be verified.

Building PC Security Systems

Next, you should install a firewall. This is a program that monitors all the activity on your system as it is connected to the Internet, a network, or both. A firewall examines every file as it is transmitted from or received by your computer, and determines which files are allowed to reach their destination. Suspicious or potentially malicious files are refused entry, securing your PC from infiltration and attack.

Hackers are always looking for flaws in an operating system that they can take advantage of to attack another computer. Your operating system's developer also looks for flaws, in an effort to correct them before they can be exploited. Every time a flaw is discovered by the developers, the system provider issues a "patch" in order to remedy it. Patches are small files used to correct problems in the operating system, further protecting the data. You should configure your operating system to be automatically updated, which can secure it against emerging threats by regularly downloading and installing new patches.

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