CDM_ContinuousDiagnostics&Mitigation_PostureChanged

id: fd950af9-d9db-4879-a60a-7267cc041beb
name: CDM_ContinuousDiagnostics&Mitigation_PostureChanged
description: |
  'This alert is designed to monitor Azure policies aligned with the Continuous Diagnostics & Mitigation (CDM) Program. The alert triggers when policy compliance falls below 70% within a 1 week timeframe.'
severity: Medium
status: Available 
requiredDataConnectors: []
queryFrequency: 7d
queryPeriod: 7d
triggerOperator: gt
triggerThreshold: 0
tactics:
  - Discovery
relevantTechniques:
  - T1082
query: |
  SecurityRecommendation
  | where RecommendationDisplayName <> ""
  | extend MaturityLevel=iff(RecommendationDisplayName has_any("log", "defender", "asset", "arc"), "Hardware Asset Management (HWAM)",
      iff(RecommendationDisplayName has_any("allow", "software", "application"), "Software Asset Management (SWAM)",
      iff(RecommendationDisplayName has_any("account", "user", "identity", "trust"), "User Trust (TRUST)",
      iff(RecommendationDisplayName has_any("access", "auth", "key", "cert", "token"), "Credentials & Authenticators (CRED)",
      iff(RecommendationDisplayName has_any("priv", "admin", "root"), "Privileges (PRIV)",
      iff(RecommendationDisplayName has_any("network", "internet", "traffic", "firewall", "intrusion", "bound", "tls", "gateway", "subnet", "web", "url", "proxy", "just", "port", "JIT", "http"), "Boundary Protection (BOUND)",
      iff(RecommendationDisplayName has_any("event", "agent", "incident", "back", "privacy", "audit", "collect"), "Manage Events (MNGEVT)",
      iff(RecommendationDisplayName has_any("edr", "malware", "endpoint protection", "detect", "respon"), "Endpoint Detection & Response (EDR)",
      iff(RecommendationDisplayName has_any("aks", "contain", "kube", "supply"), "Design & Build in Security (DBS)",
      iff(RecommendationDisplayName has_any("data", "storage", "sql", "cmk", "key"), "Data Protection Management (DPM)", "Other"))))))))))
  | where MaturityLevel in ('Hardware Asset Management (HWAM)', 'Software Asset Management (SWAM)', 'User Trust (TRUST)', 'Credentials & Authenticators (CRED)', 'Privileges (PRIV)', 'Boundary Protection (BOUND)', 'Manage Events (MNGEVT)', 'Endpoint Detection & Response (EDR)', 'Design & Build in Security (DBS)', 'Data Protection Management (DPM)')
  | summarize arg_max(TimeGenerated, *) by AssessedResourceId, RecommendationDisplayName
  | summarize
      Failed = countif(RecommendationState == "Unhealthy"),
      Passed = countif(RecommendationState == "Healthy"),
      NotApplicable = countif(RecommendationState == "NotApplicable" or RecommendationState == "Removed"),
      Applicable = countif(RecommendationState == "Unhealthy" or RecommendationState == "Healthy"),
      Total = countif(RecommendationState == "Unhealthy" or RecommendationState == "Healthy" or RecommendationState == "NotApplicable" or RecommendationState == "Removed")
      by MaturityLevel
  | extend PassedControls = (Passed / todouble(Applicable)) * 100
  | project MaturityLevel, Total, PassedControls, Passed, Failed, Applicable, NotApplicable
  | sort by Total, Passed desc
  | extend RemediationLink = strcat('https://portal.azure.com/#blade/Microsoft_Azure_Security/SecurityMenuBlade/22')
  | project CapabilityArea=MaturityLevel, Total, PassedControls, Passed, Failed, RemediationLink, LastObserved=now()
  | where CapabilityArea <> ''
  | where PassedControls < 70 
  //Adjust Either FailedRatePercentage or PassedRatePercentage Thresholds within organizational requirements
  | sort by PassedControls desc
  | extend URLCustomEntity = RemediationLink
entityMappings:
  - entityType: URL
    fieldMappings:
      - identifier: Url
        columnName: URLCustomEntity
version: 1.0.0
kind: Scheduled