New Zealand Information Security Manual (NZISM) 19.2.16.C.02: Prohibited direct downward data flows between networks

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.

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)

• 19.1.10.C.01 19.1.10.C.01 Cascaded gateway chains meet end-to-end assurance levels
• 19.1.11.C.01 19.1.11.C.01 Gateways protect, filter and are physically secured
• 19.1.11.C.02 19.1.11.C.02 Shared gateway components managed by highest domain owner
• 19.1.12.C.01 19.1.12.C.01 Gateway configuration: sole path, default deny, isolated management
• 19.1.13.C.01 19.1.13.C.01 Operating gateways between different security domains
• 19.1.14.C.01 19.1.14.C.01 Use demilitarised zones for externally accessed systems
• 19.1.14.C.02 19.1.14.C.02 Host externally accessed systems in demilitarised zones
• 19.1.15.C.01 19.1.15.C.01 Risk assessment before gateway implementation