aws.kms

Filters

cross-account

Filter KMS keys which have cross account permissions

example

policies:
  - name: check-kms-key-cross-account
    resource: kms-key
    filters:
      - type: cross-account
properties:
  actions:
    items:
      type: string
    type: array
  everyone_only:
    type: boolean
  type:
    enum:
    - cross-account
  whitelist:
    items:
      type: string
    type: array
  whitelist_conditions:
    items:
      type: string
    type: array
  whitelist_from:
    additionalProperties: 'False'
    properties:
      expr:
        oneOf:
        - type: integer
        - type: string
      format:
        enum:
        - csv
        - json
        - txt
        - csv2dict
      url:
        type: string
    required:
    - url
    type: object
  whitelist_orgids:
    items:
      type: string
    type: array
  whitelist_orgids_from:
    additionalProperties: 'False'
    properties:
      expr:
        oneOf:
        - type: integer
        - type: string
      format:
        enum:
        - csv
        - json
        - txt
        - csv2dict
      url:
        type: string
    required:
    - url
    type: object
  whitelist_vpc:
    items:
      type: string
    type: array
  whitelist_vpc_from:
    additionalProperties: 'False'
    properties:
      expr:
        oneOf:
        - type: integer
        - type: string
      format:
        enum:
        - csv
        - json
        - txt
        - csv2dict
      url:
        type: string
    required:
    - url
    type: object
  whitelist_vpce:
    items:
      type: string
    type: array
  whitelist_vpce_from:
    additionalProperties: 'False'
    properties:
      expr:
        oneOf:
        - type: integer
        - type: string
      format:
        enum:
        - csv
        - json
        - txt
        - csv2dict
      url:
        type: string
    required:
    - url
    type: object
required:
- type

grant-count

Filters KMS key grants

This can be used to ensure issues around grant limits are monitored

example

policies:
  - name: kms-grants
    resource: kms
    filters:
      - type: grant-count
        min: 100
properties:
  min:
    minimum: 0
    type: integer
  type:
    enum:
    - grant-count
required:
- type

Actions

remove-statements

Action to remove policy statements from KMS

example

policies:
   - name: kms-key-cross-account
     resource: kms-key
     filters:
       - type: cross-account
     actions:
       - type: remove-statements
         statement_ids: matched
properties:
  statement_ids:
    oneOf:
    - enum:
      - matched
      - '*'
    - items:
        type: string
      type: array
  type:
    enum:
    - remove-statements
required:
- statement_ids
- type