Every PC owner knows about computer viruses, but in terms of protection, do we know enough? Very often, we do not understand how our PC caught a virus. Here is an example of an activity that might be the source of your computer problems.

What is peer-to-peer file sharing?

Mention peer-to-peer (P2P) file sharing, and teens’ ears perk right up. The idea is a simple one: they can exchange files over the Internet with thousands of other people using free software like BitTorrent or Limewire. Kids use these programs to download music, pictures, films or video games for free.

What are the dangers of using peer-to-peer file sharing?

You can never really know where shared files come from. Are they from “healthy” computers? Do the files contain viruses that could destroy your data? Do they contain keyloggers that record every key stroke – including passwords? Do they contain malware (malicious software) that fraudsters could use to steal personal information or take control of your computer to send spam? When your teens download files on the family computer, they’re not only exposing themselves to identity theft and fraud, but they’re putting the rest of the household at risk, too.

It’s also possible to pick up a virus by opening files that seem to have been sent by a friend, but that really come from a fraudster who has taken control of their computer.

How can you protect yourself from computer viruses?

Start by letting teens know about the dangers of peer-to-peer file sharing. Then make sure your computer is protected (try calling on an IT expert for help).

• Run a scan of your computer to find any bugs and fix them.
• Make backup copies of your files and save them in a secure area.
• Install an antivirus program, a fire wall, anti-spyware, and anti-spam and anti-phishing filters.
• Perform regular updates of your operating system (Windows, etc.) and software.
• Change your router’s default password.
• If you receive a strange email, check with the person who sent it to make sure it’s safe.
• Set up security rules to follow and an online code of conduct for your family to use on the computer.