Web hosting Glossary

Definitions of access control system:

• The system of preventing unauthorised access to the resources of an IT product, programs, processes, systems, or other IT products. Some suppliers consider preventing unauthorised users from logging on to the system to be access control. In reality, access control should also stop logged on users accessing objects (files, devices, etc) for which they have no authorisation.
  www.infosec.gov.hk/english/general/glossary.htm
• The complete system for ensuring that broadcasting services are only accessible to those who are entitled to receive them. The system usually consists of three main parts - signal Scrambling , the encryption of electronic "keys" needed by the viewer, and subscriber management system which ensures that viewers entitled to watch the scrambled programmes are able to do so.
  www.nsab-sirius.com/list.asp

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