Knowledge check

1.

Which is the correct definition of ransomware?

Malicious code that steals data and auctions it off to the highest bidder.

Malicious code that allows files to be accessed, but important parts are missing until a ransom is paid.

Malicious code that blocks access to a computer and/or its files, and demands a ransom for their release.

2.

If a user opens an email and select a link that turns out to be malicious, what type of attack is this?

Phishing attack

Smishing attack

Vishing attack

3.

Which explanation best describes a ransomware family?

Cybercriminals who use ransomware to disrupt and extort money.

Ransomware code that works in a similar way to other ransomware code.

Licensed ransomware that cybercriminals can purchase from each other.

4.

If an attacker managed to gain control of a water supply company's computer system and changed the level of additives in the drinking water, what type of attack would this be?

Commodity ransomware

Ransom distributed denial-of-service attack

Human-operated ransomware

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