Basic Interoperable Scrambling System, usually known as
BISS,
is a satellite signal scrambling system developed by the European
Broadcasting Union and a consortium of hardware manufacturers.
Prior
to its development, "ad-hoc" or "Occasional Use" satellite news feeds
were transmitted either using proprietary encryption methods (eg RAS,
or PowerVu), or without any encryption. Unencrypted satellite feeds
allowed anyone with the correct equipment to view the program material.
Proprietary
encryption...
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