Prot-On

Prot-On is an application that allows you to protect, manage and track the use of all kinds of files that are shared on the Internet, by e-mail or through a cloud service.with Prot-On you're in control of the copies that you share or that are made of your files. You can track who, how and when accessed your files regardless of where they are stored. You can protect photos, MS Office and PDF documents as well as email texts, blog and wall entries.restrict access to users at any time and block documents that have already been shared.Prot-On is free for home users and offers advanced functionality to professionals and organizations.