AM-13 Access Management

Generic / Shared / Service Accounts

Non-personal accounts are inventoried, owned and controlled.

Domain
Access Management
Control type
Preventive/Detective
Automated / manual
Hybrid
Frequency
Annual + per event
Framework reference
COBIT DSS05.04; MAS TRM – Access

What good looks like

Generic/service accounts are inventoried with owner/justification; interactive login disabled; credentials vaulted.

Risk if it fails

Non-attributable activity; hardcoded/shared credentials.

How Tess tests it

4 tests — each concludes only on cited evidence.

Policy governs non-personal accounts

Design
Procedure
Inspect the service/generic-account policy.
Expected
Defined and approved.
Sample
1 (design inspection)
Evidence
Account inventory, vault config, login settings.

Inventory complete with owner and justification

Operating
Procedure
Inspect the inventory.
Expected
Each account has owner and justification.
Sample
1
Evidence
Account inventory, vault config, login settings.

Interactive login disabled where feasible

Operating
Procedure
Inspect account settings.
Expected
Disabled/restricted as appropriate.
Sample
1
Evidence
Account inventory, vault config, login settings.

Credentials vaulted and rotated

Operating
Procedure
Inspect vault and rotation.
Expected
Not hardcoded; rotated per policy.
Sample
1
Evidence
Account inventory, vault config, login settings.

Evidence Tess looks for

Account inventory, vault config, login settings.

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