safety on your computer

information on cookies.

a cookie is a file put onto your hard drive by a web page server, its job is to notify you when you return to that certain web page.

cookies come not from the site you're visiting, but from advertising companies that manage the banner ads for a set of sites, these advertising companies can develop detailed profiles of the people who select ads across their customers' sites.

information on worms.

A computer program that copies itself to other computers across the internet is called a worm. Worms are often used to infect large numbers of broadband-connected computers with remote-control software. There are ways, however, of protecting your computer from such an attack, like purchasing anti-virus software, installing a firewall and by updating your virus definitions

information on viruses

A virus is a small piece of software that piggybacks on real programs. For example, a virus might attach itself to a program such as a spreadsheet program. Each time the spreadsheet program runs, the virus runs, too, and it has the chance to reproduce (by attaching to other programs).

you can protect yourself the same way as protect yourself from online worms, install an antivirus software, use a firewall, do not open email attachments unless you know who its from and what it is and keep your computer updated.

information on spyware

spyware is software that enables a user to obtain covert information about another's computer activities by transmitting data covertly from their hard drive.

to protect yourself, use a firewall