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Ransomware

Published:

Jun 27, 2025

Updated:

AUG 15, 2025

Who can use this content?

Individuals

What is ransomware?

Ransomware is a dangerous type of malware that locks or encrypts your files or entire device and demands money (a ransom) to restore your access.

How does ransomware get on your device?

You usually get ransomware by:

  • Opening infected email attachments or clicking malicious links
  • Downloading software or files from untrusted sources
  • Visiting compromised websites or clicking on fake ads

What does ransomware do to your files?

When ransomware gets into your computer, it quickly locks your files or even your whole device. You will see a message that asks for payment, usually in cryptocurrency, to unlock your important data. This leaves people feeling scared and unsure, as they try to figure out what to do to get back what has been taken from them.

What to do if you get infected?

  • Don’t pay the ransom — there’s no guarantee you’ll get your files back.
  • Disconnect your device from the internet immediately.
  • Contact a cybersecurity expert or your IT team.
  • Restore your files from a recent backup if possible.