Viruses, Worms and Trojans

Type of malicious software program (malware) that, when executed, replicates by reproducing itself (copying its own source code) or infecting other computer programs by modifying them.

• Computer Virus

• Computer Worm

• Trojan Horse

• Malicious Code

What is software?

• Viruses on your computer
• Programs used by a computer
• Documents used to type information on
• Harmful information

By combining the words 'malicious' and 'software' we get the word 'malware'. What does malicious mean?

• Malicious means delicious.

• Malicious means wishing to do evil.

• Malicious means harmful.

• None of these

Malware is made to stop your device from running properly and sometimes to steal your information.

• True
• False

Programs that look useful, but cause damage to your computer

• phishing
• spyware
• worms
• trojans

Special types of viruses that can travel from computer to computer without human action; self-replicating and can multiply until it uses up the computer's resources

• spyware
• worms
• trojans
• phishing

Viruses and Trojan Horses are often called

• software
• malware

A virus can insert itself into documents on your computer.

• False

• True

A virus may spread from computer to computer without  human action.

• True
• False

A worm replicates itself and spreads malicious code to other computers by using _____

• Hackers

• human users launching the virus

• Computer Networks/ The Internet

• Trojan Horses