Encrypting File System (EFS) is an encryption service found in Windows 10 Pro, Enterprise, and Education. A cousin to BitLocker, which can encrypt entire drives at once, EFS lets you encrypt ...

EFS: Handle with Care The Encrypting File System, while serving a need, can also cause big headaches—especially with the XP implementation. Here’s how to do it right. By Bill Boswell 03/01/2002 Most ...

Windows Insider EFS: Handle with Care The Encrypting File System, while serving a need, can also cause big headaches—especially with the XP implementation. Here’s how to do it right. By Bill ...

You can effectively encrypt a folder with Windows’ own Encrypted File System (EFS)—at least if you have something more expensive than a Home edition of Windows.

The lab-developed ransomware strain relies on the Encrypting File System (EFS) component in Microsoft's operating system and can run undetected by some antivirus software.