Email Trick Test - Worms: a self...
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Worms: a self-replicating computer program similar to a computer virus. A worms self-contained and doesn't need another program to propagate itself. Worms tend to harm the network and consume bandwidth, whereas viruses infect or corrupt files on a targeted computer.
Trojan horses: Trojan horse programs can't operate on their own like viruses or worms. A Trojan horse, technically a normal computer program, does not possess the means to spread itself. They will probably be part of a free game or program.
In the background it might modify or delete files, change the configuration of the computer, or even use the computer as a base from which to attack other computers.
Spyware - it's software that gathers information on how you use your computer, and then transmits the data to another source. It can also transmit the usernames and passwords you've typed in online.
Adware - it's software that displays advertising on your computer. Spyware and adware are often part of the same program. But when the software starts silently spying on you, it stops being harmless.
Hackers / criminals can run software on your computer, place malicious code on your hard drive, and even copy exactly what you're typing.
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