A computer is only as good as it's user, and unfortunately there are many, many, many less savvy computer users out there. For you to keep your computer secure, and therefore fast, there are some basic security practices that you must employ.
Protection from Spyware/Adware
Spyware and Adware are programs that are installed without knowledge on your PC. These programs track your internet activity, for the purpose of targeting you with ads, popups, or obtaining private information from you. They slow down your computer, and can be a security risk. To prevent them, you use a free antispyware program.
Recommended: MalwareBytes AntiMalware or Lavasoft's AdAware
Protection from Viruses
Viruses are more dire than spyware, because they intend direct damage to your system, and may have the intent of stealing identity information. Viruses replicate and spread themselves unlike Spyware. To combat viruses you need a well trusted antivirus.
Recommended: Avira AntiVir and Avast! Home Edition are excellent free solutions
Protection from hackers
Hackers attempt direct access to your computer through security gaps. Antispyware and antivirus programs do not protect from this sort of threat, which is the most dangerous of all. If your internet modem or wireless router does not have a built in firewall, you should get a free firewall of your own.
Recommended: PCTools Firewall Plus or Comodo Internet Security Firewall
Wireless Security
If you use a wireless router in your home, chances are it is very easy for anyone within 200 feet of your home to access your signal. This can be dangerous if someone has bad intentions. Set up a wireless password to access your wireless network. If you don't know how to do this, ask any manual you have for your router, or ask the company.
Good Passwords
Passwords do nothing if they are not chosen well. A secure password should be longer than 7 characters, and contain at least one number/symbol and a mixture of upper and lower case letters. In addition, you should not use the same password everywhere you have an account.
Safe Email
Be weary of what you open. If you do not recognize the sender or subject, do not open it, especially if the email contains an attachment. Common sense is the best medicine here.
If you follow these security practices, you should remain a safe computer user. Rest easy knowing that you won't be one of the many victims of online crime, or have to use your hard-earned money on replacing your computer every few years due to infections.
Nick Dimon writes about computer security and maintenance on his site http://www.crappycomputer.com/ with the purpose of informing and teaching users how to get what they deserve from their machines.
