New Zealand Information Security Manual (NZISM)
Chapter 19: Gateway security – New Zealand Information Security Manual (NZISM)

New Zealand Information Security Manual (NZISM) 19.2.18.C.01: Separate diode-based upward and downward paths

What does 19.2.18.C.01 require?

For CONFIDENTIAL, SECRET and TOP SECRET systems, agencies must ensure every bi-directional gateway between TOP SECRET and SECRET networks, between SECRET and less classified networks, and between CONFIDENTIAL and less classified networks has distinct upward and downward paths, each path using a diode and running on physically separate infrastructure.

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.

  • ISM-0635 Isolated upward and downward CDS paths

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 Chapter 19: Gateway security – New Zealand Information Security Manual (NZISM)

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.