The purpose of these requirements is to establish a whole-of-government approach to how different categories of official information are treated when considering outsourced or offshore Information and Communications Technology (ICT) arrangements.
The audience of these requirements is:
- New Zealand government employees and contractors with responsibility for information security, particularly agency Chief Information Security Officer (CISO)
- agencies planning to enter into outsourced or offshore ICT arrangements for official information without a protective marking or with a protective marking of IN CONFIDENCE, SENSITIVE or RESTRICTED.
These requirements support the implementation of the New Zealand Protective Security Requirements (PSR).
They are part of a suite of documents available to help agencies meet their information security requirements.
1.4 Compliance requirements
A control with a ‘must’ or ‘must not’ compliance requirement indicates that use of the control is mandatory. These are the baseline controls unless the control is demonstrably not relevant to the respective agency and can be clearly demonstrated to the agency head or accreditation authority.
A control with a ‘should’ or ‘should not’ requirement indicates that use of the control is considered good and recommended practice. Valid reasons for not implementing a control could exist, including:
- a control is not relevant because the risk does not exist
- or a process or control(s) of equal strength has been substituted.
Agencies must recognise that not using a control without due consideration may increase residual risk for the agency. This residual risk needs to be agreed and acknowledged by the agency head. In particular an agency should pose the following questions:
- Is the agency willing to accept additional risk?
- Have any implications for All of Government security been considered?
- If so, what is the justification?
A formal auditable record of this consideration and decision is required as part of the governance and assurance processes within an agency.
The PSR provides agencies with mandatory and best practice security measures.
The controls detailed above identify if and when agencies need to consider specific security measures to comply with the mandatory requirements.
1.5 Relevant standards
Additional information relevant to these requirements is available online from the Government Chief Information Officer (GCIO) website. Go to: www.ict.govt.nz