Topic

Telephone system usage policy

Applicable to

all

History

Priority

must

Dec 2022

A telephone system usage policy is developed, implemented and maintained.

Existing controls relating to the development and implementation of cyber security documentation were amended to ensure documentation is maintained throughout its lifetime.

Dec 2021

A telephone system usage policy is developed and implemented.

Miscellaneous changes were made to rationale and security controls throughout the publication. This included:

• A review from the Using the Information Security Manual chapter through to the Guidelines for Media chapter.

• Security controls suitable for all audiences have been identified with the ‘All’ applicability marking while additional security controls suitable for just government audiences have been identified with the O, P, S and TS applicability markings.

• Security controls suitable for specific classifications have been amended to include their classification(s) in the wording of the security controls to reduce the reliance on applicability markings to confer suitability.

• Tables in security controls have been converted into prose to allow for inclusion in the SSP annex template and the XML list of security controls.

• The use of ‘official’ and ‘highly classified’ terminology has been replaced with specific classifications to remove ambiguity.

• Security controls relating to high assurance ICT equipment have had their applicability narrowed to ‘S, TS’ reflecting that they are intended for the protection of SECRET and TOP SECRET systems and data.

Aug 2019

A telephone systems usage policy is developed and implemented.

Security control 1078 was modified to refer explicitly to a telephone usages usage policy.

Jul 2019

A policy governing the use of telephone systems is developed and implemented.

2015

Agencies must develop a policy governing the use of telephones and telephone systems.

2010

Agencies must develop a policy governing the use of telephones and telephone systems.