ISM-0233

Cordless telephone handsets and headsets are not used for sensitive or classified conversations unless all communications are encrypted.

Topic
Cordless telephone systems
Applicable to
all

History

Priority
must not
Mar 2023
Cordless telephone handsets and headsets are not used for sensitive or classified conversations unless all communications are encrypted.
An existing control relating to cordless telephone systems not being used for sensitive or classified conversations was amended to cordless telephone handsets and headsets are not used for sensitive or classified conversations unless all communications are appropriately encrypted.
2015
Agencies must not use cordless telephones for sensitive or classified conversations.
2010
Agencies must not use cordless telephones for classified conversations.
2008
Agencies must not use cordless or mobile telephones for the transmission of classified information unless the security they use has been approved by the Defence Signals Directorate for that classification.