Digital Light Processing - Wikipedia
https://en.wikipedia.org/wiki/Digital_Light_Processing
Digital Light Processing (DLP) is a set of chipsets based on optical micro-electro-mechanical technology that uses a digital micromirror device. It was originally developed in 1987 by Larry Hornbeck of Texas Instruments.
What is DLP and how to implement it in your organization?
https://www.exabeam.com/dlp/data-loss-prevention-policies-best-practices-and-evaluating-dlp-software/
Data loss prevention (DLP) is an approach that seeks to improve information security and DLP also refers to tools that enable a network administrator to monitor data accessed and shared by end users.