Apps similar to Spirion include SeekerDLP. Other options are Curtain e-locker. Between them they cover Windows and Mac.
Seeker is a data loss prevention solution designed to fill the gap between software priced out of most reasonable budgets and free solutions that are generally not able to scan at scale, or not able to effectively work with many file formats.
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Curtain e-locker is a powerful Data Loss Prevention (DLP) solution that secures sensitive electronic information within an organization. It controls and monitors user actions such as saving, copying, printing, and transferring files to prevent data
