This guide explains ransomware attacks, a form of malicious software that encrypts files and demands payment for a decryption key. Often delivered through phishing emails, malicious adverts, or drive by downloads, ransomware executes by identifying and encrypting valuable data, displaying a ransom note, and setting a payment deadline. Paying offers no guarantee of recovery and may lead to further demands. The impact on businesses can include data breaches, costly downtime, recovery expenses, reputational damage, and legal consequences. Prevention measures include employee training, regular backups, software updates, access controls, and strong email security.

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