AWS Identity and Access Management

2020/06/03 - AWS Identity and Access Management - 2 updated api methods

Changes  GenerateServiceLastAccessedDetails will now return ActionLastAccessed details for certain S3 control plane actions

GenerateServiceLastAccessedDetails (updated) Link ¶
Changes (request)
{'Granularity': 'SERVICE_LEVEL | ACTION_LEVEL'}

Generates a report that includes details about when an IAM resource (user, group, role, or policy) was last used in an attempt to access AWS services. Recent activity usually appears within four hours. IAM reports activity for the last 365 days, or less if your Region began supporting this feature within the last year. For more information, see Regions Where Data Is Tracked .

Warning

The service last accessed data includes all attempts to access an AWS API, not just the successful ones. This includes all attempts that were made using the AWS Management Console, the AWS API through any of the SDKs, or any of the command line tools. An unexpected entry in the service last accessed data does not mean that your account has been compromised, because the request might have been denied. Refer to your CloudTrail logs as the authoritative source for information about all API calls and whether they were successful or denied access. For more information, see Logging IAM Events with CloudTrail in the IAM User Guide .

The GenerateServiceLastAccessedDetails operation returns a JobId . Use this parameter in the following operations to retrieve the following details from your report:

  • GetServiceLastAccessedDetails – Use this operation for users, groups, roles, or policies to list every AWS service that the resource could access using permissions policies. For each service, the response includes information about the most recent access attempt. The JobId returned by GenerateServiceLastAccessedDetail must be used by the same role within a session, or by the same user when used to call GetServiceLastAccessedDetail .

  • GetServiceLastAccessedDetailsWithEntities – Use this operation for groups and policies to list information about the associated entities (users or roles) that attempted to access a specific AWS service.

To check the status of the GenerateServiceLastAccessedDetails request, use the JobId parameter in the same operations and test the JobStatus response parameter.

For additional information about the permissions policies that allow an identity (user, group, or role) to access specific services, use the ListPoliciesGrantingServiceAccess operation.

Note

Service last accessed data does not use other policy types when determining whether a resource could access a service. These other policy types include resource-based policies, access control lists, AWS Organizations policies, IAM permissions boundaries, and AWS STS assume role policies. It only applies permissions policy logic. For more about the evaluation of policy types, see Evaluating Policies in the IAM User Guide .

For more information about service and action last accessed data, see Reducing Permissions Using Service Last Accessed Data in the IAM User Guide .

See also: AWS API Documentation

Request Syntax

client.generate_service_last_accessed_details(
    Arn='string',
    Granularity='SERVICE_LEVEL'|'ACTION_LEVEL'
)
type Arn

string

param Arn

[REQUIRED]

The ARN of the IAM resource (user, group, role, or managed policy) used to generate information about when the resource was last used in an attempt to access an AWS service.

type Granularity

string

param Granularity

The level of detail that you want to generate. You can specify whether you want to generate information about the last attempt to access services or actions. If you specify service-level granularity, this operation generates only service data. If you specify action-level granularity, it generates service and action data. If you don't include this optional parameter, the operation generates service data.

rtype

dict

returns

Response Syntax

{
    'JobId': 'string'
}

Response Structure

  • (dict) --

    • JobId (string) --

      The JobId that you can use in the GetServiceLastAccessedDetails or GetServiceLastAccessedDetailsWithEntities operations. The JobId returned by GenerateServiceLastAccessedDetail must be used by the same role within a session, or by the same user when used to call GetServiceLastAccessedDetail .

GetServiceLastAccessedDetails (updated) Link ¶
Changes (response)
{'JobType': 'SERVICE_LEVEL | ACTION_LEVEL',
 'ServicesLastAccessed': {'LastAuthenticatedRegion': 'string',
                          'TrackedActionsLastAccessed': [{'ActionName': 'string',
                                                          'LastAccessedEntity': 'string',
                                                          'LastAccessedRegion': 'string',
                                                          'LastAccessedTime': 'timestamp'}]}}

Retrieves a service last accessed report that was created using the GenerateServiceLastAccessedDetails operation. You can use the JobId parameter in GetServiceLastAccessedDetails to retrieve the status of your report job. When the report is complete, you can retrieve the generated report. The report includes a list of AWS services that the resource (user, group, role, or managed policy) can access.

Note

Service last accessed data does not use other policy types when determining whether a resource could access a service. These other policy types include resource-based policies, access control lists, AWS Organizations policies, IAM permissions boundaries, and AWS STS assume role policies. It only applies permissions policy logic. For more about the evaluation of policy types, see Evaluating Policies in the IAM User Guide .

For each service that the resource could access using permissions policies, the operation returns details about the most recent access attempt. If there was no attempt, the service is listed without details about the most recent attempt to access the service. If the operation fails, the GetServiceLastAccessedDetails operation returns the reason that it failed.

The GetServiceLastAccessedDetails operation returns a list of services. This list includes the number of entities that have attempted to access the service and the date and time of the last attempt. It also returns the ARN of the following entity, depending on the resource ARN that you used to generate the report:

  • User – Returns the user ARN that you used to generate the report

  • Group – Returns the ARN of the group member (user) that last attempted to access the service

  • Role – Returns the role ARN that you used to generate the report

  • Policy – Returns the ARN of the user or role that last used the policy to attempt to access the service

By default, the list is sorted by service namespace.

If you specified ACTION_LEVEL granularity when you generated the report, this operation returns service and action last accessed data. This includes the most recent access attempt for each tracked action within a service. Otherwise, this operation returns only service data.

For more information about service and action last accessed data, see Reducing Permissions Using Service Last Accessed Data in the IAM User Guide .

See also: AWS API Documentation

Request Syntax

client.get_service_last_accessed_details(
    JobId='string',
    MaxItems=123,
    Marker='string'
)
type JobId

string

param JobId

[REQUIRED]

The ID of the request generated by the GenerateServiceLastAccessedDetails operation. The JobId returned by GenerateServiceLastAccessedDetail must be used by the same role within a session, or by the same user when used to call GetServiceLastAccessedDetail .

type MaxItems

integer

param MaxItems

Use this only when paginating results to indicate the maximum number of items you want in the response. If additional items exist beyond the maximum you specify, the IsTruncated response element is true .

If you do not include this parameter, the number of items defaults to 100. Note that IAM might return fewer results, even when there are more results available. In that case, the IsTruncated response element returns true , and Marker contains a value to include in the subsequent call that tells the service where to continue from.

type Marker

string

param Marker

Use this parameter only when paginating results and only after you receive a response indicating that the results are truncated. Set it to the value of the Marker element in the response that you received to indicate where the next call should start.

rtype

dict

returns

Response Syntax

{
    'JobStatus': 'IN_PROGRESS'|'COMPLETED'|'FAILED',
    'JobType': 'SERVICE_LEVEL'|'ACTION_LEVEL',
    'JobCreationDate': datetime(2015, 1, 1),
    'ServicesLastAccessed': [
        {
            'ServiceName': 'string',
            'LastAuthenticated': datetime(2015, 1, 1),
            'ServiceNamespace': 'string',
            'LastAuthenticatedEntity': 'string',
            'LastAuthenticatedRegion': 'string',
            'TotalAuthenticatedEntities': 123,
            'TrackedActionsLastAccessed': [
                {
                    'ActionName': 'string',
                    'LastAccessedEntity': 'string',
                    'LastAccessedTime': datetime(2015, 1, 1),
                    'LastAccessedRegion': 'string'
                },
            ]
        },
    ],
    'JobCompletionDate': datetime(2015, 1, 1),
    'IsTruncated': True|False,
    'Marker': 'string',
    'Error': {
        'Message': 'string',
        'Code': 'string'
    }
}

Response Structure

  • (dict) --

    • JobStatus (string) --

      The status of the job.

    • JobType (string) --

      The type of job. Service jobs return information about when each service was last accessed. Action jobs also include information about when tracked actions within the service were last accessed.

    • JobCreationDate (datetime) --

      The date and time, in ISO 8601 date-time format , when the report job was created.

    • ServicesLastAccessed (list) --

      A ServiceLastAccessed object that contains details about the most recent attempt to access the service.

      • (dict) --

        Contains details about the most recent attempt to access the service.

        This data type is used as a response element in the GetServiceLastAccessedDetails operation.

        • ServiceName (string) --

          The name of the service in which access was attempted.

        • LastAuthenticated (datetime) --

          The date and time, in ISO 8601 date-time format , when an authenticated entity most recently attempted to access the service. AWS does not report unauthenticated requests.

          This field is null if no IAM entities attempted to access the service within the reporting period .

        • ServiceNamespace (string) --

          The namespace of the service in which access was attempted.

          To learn the service namespace of a service, go to Actions, Resources, and Condition Keys for AWS Services in the IAM User Guide . Choose the name of the service to view details for that service. In the first paragraph, find the service prefix. For example, (service prefix: a4b) . For more information about service namespaces, see AWS Service Namespaces in the AWS General Reference .

        • LastAuthenticatedEntity (string) --

          The ARN of the authenticated entity (user or role) that last attempted to access the service. AWS does not report unauthenticated requests.

          This field is null if no IAM entities attempted to access the service within the reporting period .

        • LastAuthenticatedRegion (string) --

          The Region from which the authenticated entity (user or role) last attempted to access the service. AWS does not report unauthenticated requests.

          This field is null if no IAM entities attempted to access the service within the reporting period .

        • TotalAuthenticatedEntities (integer) --

          The total number of authenticated principals (root user, IAM users, or IAM roles) that have attempted to access the service.

          This field is null if no principals attempted to access the service within the reporting period .

        • TrackedActionsLastAccessed (list) --

          An object that contains details about the most recent attempt to access a tracked action within the service.

          This field is null if there no tracked actions or if the principal did not use the tracked actions within the reporting period . This field is also null if the report was generated at the service level and not the action level. For more information, see the Granularity field in GenerateServiceLastAccessedDetails .

          • (dict) --

            Contains details about the most recent attempt to access an action within the service.

            This data type is used as a response element in the GetServiceLastAccessedDetails operation.

            • ActionName (string) --

              The name of the tracked action to which access was attempted. Tracked actions are actions that report activity to IAM.

            • LastAccessedEntity (string) --

              The Amazon Resource Name (ARN). ARNs are unique identifiers for AWS resources.

              For more information about ARNs, go to Amazon Resource Names (ARNs) and AWS Service Namespaces in the AWS General Reference .

            • LastAccessedTime (datetime) --

              The date and time, in ISO 8601 date-time format , when an authenticated entity most recently attempted to access the tracked service. AWS does not report unauthenticated requests.

              This field is null if no IAM entities attempted to access the service within the reporting period .

            • LastAccessedRegion (string) --

              The Region from which the authenticated entity (user or role) last attempted to access the tracked action. AWS does not report unauthenticated requests.

              This field is null if no IAM entities attempted to access the service within the reporting period .

    • JobCompletionDate (datetime) --

      The date and time, in ISO 8601 date-time format , when the generated report job was completed or failed.

      This field is null if the job is still in progress, as indicated by a job status value of IN_PROGRESS .

    • IsTruncated (boolean) --

      A flag that indicates whether there are more items to return. If your results were truncated, you can make a subsequent pagination request using the Marker request parameter to retrieve more items. Note that IAM might return fewer than the MaxItems number of results even when there are more results available. We recommend that you check IsTruncated after every call to ensure that you receive all your results.

    • Marker (string) --

      When IsTruncated is true , this element is present and contains the value to use for the Marker parameter in a subsequent pagination request.

    • Error (dict) --

      An object that contains details about the reason the operation failed.

      • Message (string) --

        Detailed information about the reason that the operation failed.

      • Code (string) --

        The error code associated with the operation failure.