The ISO 17799 Glossary of Information Security Terms and Phrases

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B

BACK DOOR (Chapter 9)
A back door is the name given to a 'secret' access route into the system.

BACKUP (Chapter 8)
The process whereby copies of files are taken in order to allow restoration of the original should the need arise.

BIOMETRIC CONTROLS
Security Access control systems which authenticate users by means of physical characteristics (eg: fingerprints, voice, retina).

BS 7799
The British Standard for Information Security which was re-issued in 1999 in two parts. Part 1 is the Code of Practice for Information Security Management and Part 2 specifies the information security management system.

BSI
The British Standards Instituion, publishers of BS 7799 and literally thousands of other standards and supporting documents.

BUSINESS ASSETS (Chapter 5)
As it relates to Information Security this refers to any information upon which the organisation places a measurable value.

BCP (Chapter 11)
This is a Business Continuity Planning: the activity to ensure that the essential business functions of an organisation are able to continue in the event of an unforeseen event.