Computer Security

RisksViruses, Worms, and Trojan Horses

VirusesPotentially damaging.Negatively affect a computer and change

the way it works.It spread and damage the computer’s files

and software.

WormsCopies itself repeatedly and spreads

throughout a single computer or an entire network.

Use up hard disk space or memory resources.

Shutdown a computer or network.

TROJAN HORSES

A program that hides within or looks like a legitimate program.

Triggered by certain condition or action.

Does not replicate itself.

ANTI-VIR

US

Protects your computer by identifying and removing viruses found in your computer’s memory, storage media, and incoming files.

Needs to be updated regularly.