Australian Information Security Manual

Guidelines for communications infrastructure

Australian Information Security Manual ISM-1133: In shared facilities, TOP SECRET cables are not run in party walls.

In shared facilities, TOP SECRET cables are not run in party walls.

Maintained by Gerard BlokdykVerified against the published standard 31 May 2026Control text last updated 21 May 2026

Other controls in Guidelines for communications infrastructure

ISM-0181 Cabling infrastructure is installed in accordance with relevant Australian Standards, as d
ISM-0187 SECRET cables, when bundled together or run in conduit, are run exclusively in their own i
ISM-0194 In shared facilities, a visible smear of conduit glue is used to seal all plastic conduit
ISM-0195 In shared facilities, uniquely identifiable SCEC-approved tamper-evident seals are used to
ISM-0198 When penetrating a TOP SECRET audio secure room, the Australian Security Intelligence Orga
ISM-0201 Labels for TOP SECRET conduits are a minimum size of 2.5 cm x 1 cm, attached at five-metre
ISM-0206 Cable labelling processes, and supporting cable labelling procedures, are developed, imple
ISM-0208 A cable register contains the following for each cable: - cable identifier - cable colour

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