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Cybersecurity Fundamentals
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PR.AC-1: Identities and credentials are issued, managed, verified, revoked, and audited for authorized devices, users and processes
PR.AC-2: Physical access to assets is managed and protected
PR.AC-3: Remote access is managed
PR.AC-4: Access permissions and authorizations are managed, incorporating the principles of least privilege and separation of duties
PR.AC-5: Network integrity is protected (e.g., network segregation, network segmentation)
PR.AC-6: Identities are proofed and bound to credentials and asserted in interactions
PR.AC-7: Users, devices, and other assets are authenticated (e.g., single-factor, multi-factor) commensurate with the risk of the transaction (e.g., individuals’ security and privacy risks and other organizational risks)
Maturity Level 1
Maturity Level 2
Maturity Level 3
PR.AC-1.1
PR.AC-1.1: Identities and credentials for authorized devices and users shall be managed.
  • Identities and credentials for authorized devices and users could be managed through a password policy. A password policy is a set of rules designed to enhance ICT/OT security by encouraging organization’s to:
  • (Not limitative list and measures to be considered as appropriate)
  • Change all default passwords.
  • Ensure that no one works with administrator privileges for daily tasks.
  • Keep a limited and updated list of system administrator accounts.
  • Enforce password rules, e.g. passwords must be longer than a state-of-the-art number of characters with a combination of character types and changed periodically or when there is any suspicion of compromise.
  • Use only individual accounts and never share passwords.
  • Immediately disable unused accounts
  • Rights and privileges are managed by user groups.
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

Identities and credentials for authorized devices and users shall be managed.