← ISO 27001 · A.5 — Organisational

A.5.15 — Access control

critical access-controlauthentication

Requirement

Rules to control physical and logical access to information and other associated assets shall be established and implemented based on business and information security requirements.

What the engine looks for

Every group below must be satisfied — by an affirmative statement, not a plan, a hedge or a denial — for the control to count as covered. A term ending in … matches any word it begins. Supporting terms do not change the verdict — they raise confidence and distinguish a policy that names a mechanism from one that gestures at a category.

Required element 1 — any one of
access controlaccess policylogical access
Required element 2 — any one of
least privilegeneed to knowrole-basedrbacauthorisationauthorizationauthoris…authoriz…
Supporting terms — specificity signals
mfassoreviewapprovalprivilegedsegregation
Contradiction markers

Finding any of these outranks coverage — a policy that admits the gap is worse than silence.

no access control shared accounts everyone has access

Equivalent controls elsewhere

Matched on shared topics. Satisfying this control usually moves these too.

FrameworkControlTitleShared topics
HIPAA 164.312(a)(1) Access control — unique identification and emergency access (R/A) access-control authentication
NIST CSF 2.0 PR.AA-01 Identities and credentials are managed access-control authentication
SOC 2 CC6.1 Logical access provisioning and restriction access-control authentication
GDPR Art.29 Processing under the authority of the controller access-control
CCPA/CPRA 1798.100(e) & 1798.150 Reasonable security procedures access-control
SOC 2 CC6.2 Registration and authorisation of new users access-control
PCI DSS 4.0.1 7.2 Access granted by least privilege and reviewed every six months access-control
PCI DSS 4.0.1 8.2 Unique IDs and user account lifecycle access-control