The NTFS system does not have a "security" tab

Folders are shared on NTFS-formatted disks, and the security option is missing when you right-click to open the folder properties.

The folder properties appear on the Security tab, and you must have the following two conditions.

1. The file system is in NTFS format.

2. In My computer, select tools → folder Options, open Folder Options, switch to the View tab, and deselect the use Simple File sharing (recommended).

If you do not have the Security tab, you can check based on the above two conditions.