What is Ransomware?
Ransomware is malicious software that locks your files or device and demands payment to restore access. It is a type of cyberattack that can stop you from using your data until you pay the attacker.
In more detail
Ransomware is a kind of harmful software that criminals use to take control of a computer or encrypt files so the owner cannot open them. The attacker then asks for money, or a “ransom,” in exchange for a decryption key or access back to the system.
It matters because it can shut down personal devices, businesses, hospitals, and other organizations in an instant. Even if the ransom is paid, there is no guarantee the files will be restored, and the data may already have been copied or stolen.
For everyday computer use, ransomware can spread through fake email attachments, unsafe downloads, or malicious links. Good backups, software updates, and caution with unknown messages help reduce the risk.
Examples
- A fake invoice email installs ransomware after you open an attachment.
- Your family photos are encrypted and a message demands payment to unlock them.
- A company’s shared files are locked, stopping employees from working.
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