To prevent ransomware attacks and protect your files, you should take the following steps:

1. Ensure you have a good antivirus software installer and updated regularly.
2. Ensure you are running the latest version of your operating system.
3. Back up important files on a regular basis.
4. Implement Multi Factor Authentication (MFA) to strengthen password security.
5. Be suspicious of email attachments from unknown sources.
6. Do not open suspicious emails, Web links, attachments or pop-up windows