IT Security第 75 / 100 题
What does 'ransomware' do?
a.It speeds up the computer
b.It backs up your files automatically
c.It encrypts a victim's files and demands payment to restore access
d.It updates the operating system
解析
Ransomware is malware that encrypts a victim's data and demands a ransom, often in cryptocurrency, in exchange for the decryption key. Reliable, offline backups are the best defense, allowing recovery without paying. Paying does not guarantee data recovery and encourages further attacks.
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