US CMA Part 1 · Chapter 6 · Question 9 of 22
Malicious software encrypts a company's files and the attackers demand payment in cryptocurrency for the decryption key. Which control is most important in limiting the damage from this type of attack?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) Regular, tested backups stored separately from the production network
Explanation
This is a ransomware attack. Secure, isolated and regularly tested backups allow the company to restore its data without paying the ransom. Prevention also relies on patching, user training and endpoint protection.
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