Small Activity Log Retention Period

• Query id: 2b856bf9-8e8c-4005-875f-303a8cba3918
• Query name: Small Activity Log Retention Period
• Platform: Terraform
• Severity: Medium
• Category: Observability
• URL: Github

Description

Ensure that Activity Log Retention is set 365 days or greater
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - tf file

resource "azurerm_monitor_log_profile" "positive1" {
  name = "default"

  categories = [
    "Action",
    "Delete",
    "Write",
  ]

  locations = [
    "westus",
    "global",
  ]

  servicebus_rule_id = "${azurerm_eventhub_namespace.example.id}/authorizationrules/RootManageSharedAccessKey"
  storage_account_id = azurerm_storage_account.example.id

  retention_policy {
    enabled = true
    days    = 7
  }
}

resource "azurerm_monitor_log_profile" "positive2" {
  name = "default"

  categories = [
    "Action",
    "Delete",
    "Write",
  ]

  locations = [
    "westus",
    "global",
  ]

  servicebus_rule_id = "${azurerm_eventhub_namespace.example.id}/authorizationrules/RootManageSharedAccessKey"
  storage_account_id = azurerm_storage_account.example.id

  retention_policy {
    enabled = true
  }
}

resource "azurerm_monitor_log_profile" "positive3" {
  name = "default"

  categories = [
    "Action",
    "Delete",
    "Write",
  ]

  locations = [
    "westus",
    "global",
  ]

  servicebus_rule_id = "${azurerm_eventhub_namespace.example.id}/authorizationrules/RootManageSharedAccessKey"
  storage_account_id = azurerm_storage_account.example.id

  retention_policy {
    enabled = false
  }
}

Code samples without security vulnerabilities

Negative test num. 1 - tf file

resource "azurerm_monitor_log_profile" "negative1" {
  name = "default"

  categories = [
    "Action",
    "Delete",
    "Write",
  ]

  locations = [
    "westus",
    "global",
  ]

  servicebus_rule_id = "${azurerm_eventhub_namespace.example.id}/authorizationrules/RootManageSharedAccessKey"
  storage_account_id = azurerm_storage_account.example.id

  retention_policy {
    enabled = true
    days    = 367
  }
}

resource "azurerm_monitor_log_profile" "negative2" {
  name = "default"

  categories = [
    "Action",
    "Delete",
    "Write",
  ]

  locations = [
    "westus",
    "global",
  ]

  servicebus_rule_id = "${azurerm_eventhub_namespace.example.id}/authorizationrules/RootManageSharedAccessKey"
  storage_account_id = azurerm_storage_account.example.id

  retention_policy {
    enabled = true
    days    = 0
  }
}