You can password protect a PDF on a Mac computer using the Preview app to secure files that contain sensitive information.

You can prevent users or yourself from deleting files or folders accidentally in Windows 11/10. Here is how you can protect data from accidental deletion ...

Encryption is the matter of safety, I've always said. If you want to keep movies, pictures and other files under a safe lock, choose a password protective software from our guide.

Everyone has private data on their PC, and one of the best ways to safeguard that is to password protect it. But do you know how to password protect a folder?

Learn how to hide or encrypt specific files in Windows in order to better protect them.

Your computer has been infected with ransomware, malware that allows criminals to block your apps from working and to encrypt your files so you can’t access them.

Learn how to lock Windows 11 PC remotely with Android phone. The feature requires running the latest Windows Insider Preview ...

Petya ransomware: How to create the file that will protect your computer You can vaccinate your system in seconds from the Petya/NonPetya ransomware -- at least, for now.

Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...

With these tools, you can significantly reduce the attack surface of Windows and effectively protect it against viruses and hackers.