1) Computer network security 2) Less cheery 1) Darker 2) Inkier 
Blacker can refer to the following people: Blacker can refer to the following things: ...[security] Blacker (styled BLACKER) is a U.S. Department of Defense computer network security project designed to achieve A1 class ratings of the Trusted Computer System Evaluation Criteria (TCSEC). The project was implemented by SDC and Burroughs. It was the first secure system with trusted End-to-end encryption on the United States` Defen...