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What Is Ransomware?

Understand malware that encrypts or blocks access to files and demands payment.

Quick Answer

Ransomware can make files unusable; prevention relies on updates, cautious handling of downloads/messages, security software, and separate backups.

Step by Step

  1. Use the official settings or website for the account, device, browser, or service involved.
  2. Ransomware can make files unusable; prevention relies on updates, cautious handling of downloads/messages, security software, and separate backups.
  3. Review security and recovery settings after making the change.
  4. Keep recovery information and backups somewhere you can access if the primary device is lost.

If That Doesn't Work

  • Never give an unsolicited caller or message sender your password, recovery code, or one-time verification code.
  • If money or a critical account is at risk, use a known official contact method rather than contact information supplied in the suspicious message.