Description
By default SharePoint allows you to manage permissions per list element.SharePoint Column Protectorgoes further and allows you to protect your data per column basis. Permissions for columns are defined for each content type for any SharePoint list or document library. Permissions are effective for item forms and list views, as well as for the SharePoint alerts, attachments, Excel- and Access-exported data, and even for SharePoint Web Service! In other words, SharePoint Column Protector fully secures and gives you a greater degree of control over your list-stored data.