9 spr1 Cybersecurity Lesson 1 MALWARE

What type of malware is active if a user's computer has been locked and is displaying a message demanding payment to unlock it?

• Ransomware
• Adware
• Trojan Horse
• Worm

What does adware do?

• Shows adverts, e.g., intrusive popups. May contain other malware.
• Takes control of a system.
• Appears to be useful but installs additional malware.
• Collects data and sends it back to a third party.

What is the difference between a virus and a worm?

• A virus spreads by attaching itself to files; a worm can self-replicate.
• A worm spreads by attaching itself to files; a virus can self-replicate
• A virus is a standalone program, whereas a worm attaches to other files.
• A worm is a standalone program, whereas a virus attaches to other files.

What does a bot do?

• Takes control of a system and can form part of a botnet.
• Appears to be useful but installs additional malware.
• Enables an unauthorised user to gain control without being detected.
• Shows adverts, e.g., intrusive popups.

What does spyware do?

• Collects data and sends it back to a third party.
• Takes control of a system.
• Appears to be useful but installs additional malware.
• Enables an unauthorised user to gain control without being detected.

What does a Trojan horse do?

• Appears to be useful but installs additional malware.
• Takes control of a system.
• Collects data and sends it back to a third party.
• Enables an unauthorised user to gain control without being detected.

Why would someone want to steal or destroy data?

• Data is valuable.
• They are bored.
• It's a school assignment.
• They don't know how to create data.

What does a rootkit do?

• Enables an unauthorised user to gain control without being detected.
• Takes control of a system.
• Appears to be useful but installs additional malware.
• Collects data and sends it back to a third party.

Why might a hacker use malware?

• All of these answers.

• Financial gain.
• Blackmail.
• Sabotage.

What are three examples of information someone might want to steal?

• Banking information, logons for important accounts, business secrets
• Family photos, school reports, holiday plans.
• Passwords, locker combinations, pin numbers.
• Addresses, phone numbers, pet's names.