New Zealand Information Security Manual (NZISM) 15.1.15.C.01: 15.1.15.C.01 Query originator about unknown protective markings

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

• 15.1.10.C.01 15.1.10.C.01 Restrict selectable markings to the system's accreditation level
• 15.1.10.C.02 15.1.10.C.02 No automatic marking insertion without user action
• 15.1.10.C.03 15.1.10.C.03 Prevent downgrading markings on replies and forwards
• 15.1.11.C.01 15.1.11.C.01 Every email carries a protective marking
• 15.1.11.C.02 15.1.11.C.02 Email marking reflects the highest classified element
• 15.1.11.C.03 15.1.11.C.03 Place marking in subject line or header
• 15.1.12.C.01 15.1.12.C.01 Assess unmarked email received from outside government
• 15.1.13.C.01 15.1.13.C.01 Do not mark purely personal emails