Nowadays internet is a necessary thing for many people. But the viruses and the spywares are great threats to internet connected life. They are harmful to the computer software or data. They are even harmful to human life because using virus or spyware any one can steal personal data from a computer. We have to take usual step to keep our computer virus free.

We can use a firewall to protect our computer. It is some kind of a hardware or software between computer and the internet.

We can use some kind of anti-virus software to protect our computer. Anti virus software are very useful to detect and clean virus. They can automatically scan the memory of the computer and detect virus and kill them. If they did not kill them they deactivate them.

Spyware is another kink of threat. It is similar to virus. Using spyware any type of data can be stolen from a computer what is connected to the internet. The worst offenders are spy ware that hijacks normal functions for themselves.

If you’re traveling and using internet hot spots, free Wifi or internet cafes, you must take extra precautions. Make sure that your web emails access is via secure (https) connections, or that your regular mail is over an encrypted connection as well. If you an anti virus you have to always update it. Because the virus and spyware are updated day by day.

Be careful too in choosing your username and passwords. Be careful when paying with your credit card and debit cards, make sure you are in a “trusted” website by knowing if the site where you submit payment is on HTTPS and if the company has a customer support that you can call in case you have questions and concerns.