Australian Information Security Manual
Guidelines for gateways

Australian Information Security Manual ISM-1158: High assurance diodes for SECRET and TOP SECRET networks

What does ISM-1158 require?

Evaluated diodes used for controlling the data flow of unidirectional gateways between SECRET or TOP SECRET networks and any other networks complete a high assurance evaluation.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

What else in your programme already covers this

This control maps to 1 controls across 1 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.

  • 19.4.4.C.01 19.4.4.C.01 Diode assurance levels for one-way gateways

Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.

Other controls in Guidelines for gateways

Query this from an agent

The graph holds this control, the 1 it maps to, and the evidence behind each claim, over MCP and REST.