How to avoid malware on a computer
Stop virus's stealing your stuff.
What is a worm
A worm is a small program that spreads through a computer system randomly changing or overwriting pieces of work and data as it moves. destroying work that is previously saved
A Trojan horse a type of malware which gets access to the computer system while appearing to do something good but instead drops a malware, often allowing access to the target's computer. This is invisible to users. Trojan horses steal information, or harm the host computer systems.
What is spyware and adware
Spyware is a malicious program that installs itself on your computer and monitors and reports your activities and personal information to third parties. Adware is a kind of spyware that generates annoying pop-up ads.
Software or hardware that prevents outsiders from accessing a computer or network.