ITGS 3.05: Malicious Software

Any software that brings harm to a computer system.

• Hacking

• Malicious Software

• Spam

• Phishing

Computer program which damages files and data spreads when infected programs are copied.

• Virus

• Worm

• Trojan Horse

• Spyware

Malicious software which replicates itself and spreads between computer systems and over networks.

• Virus

• Worm

• Trojan Horse

• Spyware

Malware which pretends to be a genuinely useful program to trick the user into using it.

• Virus

• Worm

• Trojan Horse

• Spyware

Malware which covertly records a user's actions, such as their key presses.

• Virus

• Worm

• Trojan Horse

• Spyware

Type of malware which infiltrates the operating system and attempts to hide itself from view.

• Rootkit

• Worm

• Trojan Horse

• Spyware

Program which automatically downloads when a user visits a web page, usually without their knowledge or consent.

• Rootkit

• Drive by Download

• Trojan Horse

• Spyware

Flooding a computer system with data so that it cannot respond to genuine users.

• Rootkit

• Drive by Download

• Denial of Service

• Spyware

Carries a "payload" that when delivered, self-replicate to spread to uninfected computers.

• Virus

• Worm

• Trojan Horse

• Spyware

Are disguised as legitimate software that must be downloaded by a user and once ran, delivers a “payload.”

• Rootkit

• Worm

• Trojan Horse

• Spyware