How to check if a website is safe

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Practical Computing


Antivirus, firewall, and spyware removal programs: what do they do?

Your computer lives in hostile territory where it’s under constant attack so it needs the protection given by antivirus, firewall, and spyware removal programs. Here’s what they do:

  • A firewall program is your computer’s perimeter fence, designed to keep the bad guys out.
  • An antivirus program is your computer’s internal security force, dealing with any bad guys who get through the perimeter fence and would damage your computer if they could.
  • Spyware removers find and deal with any spies who get through your perimeter fence. These guys like to send information about you and your computer to other people, and their close relations are known as malware and adware.

That’s really all there is to it. Here’s some good software that will do the job and won’t cost a penny:

  • ZoneAlarm firewall.
  • Avast antivirus.
  • Spyware Terminator
    (When you’re installing this you’ll see a box that says ‘How would you like to use this program? Choose ‘Protect against spyware’)

I’ve chosen these programs because they’re simple, effective, and once they’re installed they do their job with little or no input from you. Think of them as your computer’s private army.

Practical Computing