New Zealand Information Security Manual (NZISM)
Chapter 15: Email security – New Zealand Information Security Manual (NZISM)

New Zealand Information Security Manual (NZISM) 15.2.39.C.01: 15.2.39.C.01 Block unmarked or wrongly marked email on classified systems

For CONFIDENTIAL, SECRET and TOP SECRET systems, agencies must stop unmarked and wrongly marked emails reaching their intended recipients by blocking them at the email server, at the sending workstation, or at both.

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.

Australian Information Security Manual · 1 control

  • ISM-0565 Blocking emails with inappropriate markings

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 15: Email security – New Zealand Information Security Manual (NZISM)

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

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