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IT Governance – An international guide to data security and ISO 27001/ISO 27002, Eighth edition
book

IT Governance – An international guide to data security and ISO 27001/ISO 27002, Eighth edition

by Alan Calder, Steve Watkins
July 2024
Intermediate to advanced
486 pages
11h 19m
English
IT Governance Publishing
Content preview from IT Governance – An international guide to data security and ISO 27001/ISO 27002, Eighth edition

CHAPTER 17: CRYPTOGRAPHY

ISO 27002 says, at 8.24, that the organization should develop and follow a policy on the use of cryptographic controls for the protection of information.

Any decision as to whether a cryptographic solution is appropriate should be part of the wider process of assessing risks and selecting controls. A risk assessment should determine the necessary level of protection to be given to information, and a cost–benefit exercise should be carried out. This risk assessment should also address issues such as unauthorized circulation of encryption keys; it might be appropriate for the organization to retain copies of all employee encryption keys against the danger of their being lost or of a disgruntled employee first encrypting ...

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Publisher Resources

ISBN: 9781787784109Publisher Website