AzPolicyAdvertizer

last sync: 2025-Oct-31 18:22:59 UTC

Resource Access Rules Tenants should be restricted for Storage Accounts

Azure Landing Zones (ALZ) Policy definition

Source Repository Azure Landing Zones (ALZ) GitHub
JSON Deny-Storage-ResourceAccessRulesTenantId
Deploy policy Deny-Storage-ResourceAccessRulesTenantId (1.0.0) to Azure
Display name Resource Access Rules Tenants should be restricted for Storage Accounts
Id Deny-Storage-ResourceAccessRulesTenantId
Version 1.0.0
Details on versioning
Category Storage
Description Azure Storage accounts should restrict the resource access rule for service-level network ACLs to service from the same AAD tenant. Enforce this for increased data exfiltration protection.
Cloud environments AzureChinaCloud
AzureCloud
AzureUSGovernment
Mode All
Type Custom Azure Landing Zones (ALZ)
Preview False
Deprecated False
Effect Default
Deny
Allowed
Audit, Deny, Disabled
RBAC role(s) none
Rule aliases IF (2)
Alias Namespace ResourceType Path PathIsDefault DefaultPath Modifiable
Microsoft.Storage/storageAccounts/networkAcls.resourceAccessRules[*] Microsoft.Storage storageAccounts properties.networkAcls.resourceAccessRules[*] True False
Microsoft.Storage/storageAccounts/networkAcls.resourceAccessRules[*].tenantId Microsoft.Storage storageAccounts properties.networkAcls.resourceAccessRules[*].tenantId True False
Rule resource types IF (1)
Microsoft.Storage/storageAccounts
Initiatives usage
Initiative DisplayName Initiative Id Initiative Category State
Enforce recommended guardrails for Storage Account Enforce-Guardrails-Storage Storage GA
History
Date/Time (UTC ymd) (i) Change type Change detail
2024-06-03 17:39:43 add Deny-Storage-ResourceAccessRulesTenantId
JSON compare n/a
JSON
EPAC
Deploy policy Deny-Storage-ResourceAccessRulesTenantId (1.0.0) to Azure