New Zealand Information Security Manual (NZISM) 12.4.6.C.01: Verify integrity and authenticity of firmware updates

What does 12.4.6.C.01 require?

Agencies must make sure every firmware update is carried out in a way that confirms the integrity and authenticity both of its source and of the update process or utility used.

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

Other controls in Chapter 12: Product Security – New Zealand Information Security Manual (NZISM)

12.1.30.C.01 12.1.30.C.01 Mandatory preference order for evaluated products
12.1.30.C.02 12.1.30.C.02 Justify and accept risk for in-evaluation products
12.1.30.C.03 12.1.30.C.03 Preferred ranking when selecting evaluated products
12.1.31.C.01 12.1.31.C.01 Evaluated scope must cover required security functions
12.1.32.C.01 12.1.32.C.01 Check consumer guides for product requirements
12.1.32.C.02 12.1.32.C.02 Comply with consumer guide product requirements
12.1.32.C.03 12.1.32.C.03 Consult GCSB before buying high assurance products
12.1.33.C.01 12.1.33.C.01 Verify integrity and test non-evaluated software

Query this from an agent

The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.

MCP endpoint All New Zealand Information Security Manual (NZISM) controls