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Cybersecurity Fundamentals
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ID.AM-1 ID.AM-2 ID.AM-3 ID.AM-4 ID.AM-5 ID.AM-6
Maturity Level 2
Maturity Level 3
ID.AM-4.1
ID.AM-4.1: The organization shall map, document, authorize and when changes occur, update, all external services and the connections made with them.
  • Outsourcing of systems, software platforms and applications used within the organization is covered in ID.AM-1 and ID.AM-2
  • External information systems are systems or components of systems for which organizations typically have no direct supervision and authority over the application of security requirements and controls, or the determination of the effectiveness of implemented controls on those systems i.e., services that are run in cloud, SaaS, hosting or other external environments, API (Application Programming Interface)…
  • Mapping external services and the connections made to them and authorizing them in advance avoids wasting unnecessary resources investigating a supposedly non-authenticated connection to external systems.
Documentation Maturity
Not applicable - Not applicable in the selected scope.
Level 1 - Initial - No Process documentation or not formally approved by management.
Level 2 - Repeatable - Formally approved Process documentation exists but not reviewed in the previous 2 years.
Level 3 - Defined - Formally approved Process documentation exists, and exceptions are documented and approved. Documented and approved exceptions < 5% of the time.
Level 4 - Managed - Formally approved Process documentation exists, and exceptions are documented and approved. Documented and approved exceptions < 3% of the time.
Level 5 - Optimizing - Formally approved Process documentation exists, and exceptions are documented and approved. Documented and approved exceptions < 0,5% of the time.
Implementation Maturity
Not applicable - Not applicable in the selected scope.
Level 1 - Initial - Standard process does not exist.
Level 2 - Repeatable - Ad-hoc process exists and is done informally.
Level 3 - Defined - Formal process exists and is implemented. Evidence available for most activities. Less than 10% process exceptions.
Level 4 - Managed - Formal process exists and is implemented. Evidence available for all activities. Detailed metrics of the process are captured and reported. Minimal target for metrics has been established. Less than 5% of process exceptions.
Level 5 - Optimizing - Formal process exists and is implemented. Evidence available for all activities. Detailed metrics of the process are captured and reported. Minimal target for metrics has been established and continually improving. Less than 1% of process exceptions.
Description

The organization shall map, document, authorize and when changes occur, update, all external services and the connections made with them.