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Access control system topologies Access control system using serial controllers. 1. Serial controllers. Controllers are connected to a host PC via a serial RS-485 communication line (or via 20mA current loop in some older systems). External RS-232/485 converters or internal RS-485 cards have to be installed, as standard PCs do not have RS-485 ...
Distributed Access Control System (DACS) is a light-weight single sign-on and attribute-based access control system for web servers and server-based software.DACS is primarily used with Apache web servers to provide enhanced access control for web pages, CGI programs and servlets, and other web-based assets, and to federate Apache servers.
Access control matrix. In computer science, an access control matrix or access matrix is an abstract, formal security model of protection state in computer systems, that characterizes the rights of each subject with respect to every object in the system. It was first introduced by Butler W. Lampson in 1971. [1]
Information technology controls (or IT controls) are specific activities performed by persons or systems to ensure that computer systems operate in a way that minimises risk. They are a subset of an organisation's internal control. IT control objectives typically relate to assuring the confidentiality, integrity, and availability of data and ...
As an awardee, the AMS Multiple Award Task Order Contract (MATOC) provides a contract for Siemens to conduct long term, managed services projects for the U.S. Army Corps of Engineers' customers ...
A database management system, in its access control mechanism, can also apply mandatory access control; in this case, the objects are tables, views, procedures, etc. In mandatory access control, the security policy is centrally controlled by a policy administrator and is guaranteed (in principle) to be enforced for all users.
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