aws_iam_users resource

Use the aws_iam_users InSpec audit resource to test properties of some or all AWS IAM Users.

Syntax

An aws_iam_users resource block returns all IAM Users and allows the testing of that group of Users.

describe aws_iam_users do
  its('usernames') { should include 'payroll-admin' }
end

Parameters

This resource does not expect any parameters.

See also the AWS documentation on IAM Users.

Properties

Property	Description
usernames	The usernames of the returned Users.
user_arns	The Amazon Resource Names of the returned Users.
user_ids	The IDs of the returned Users.
access_keys	Array of Access Keys belonging to each User.
has_attached_policies	Whether or not the User has IAM Policies attached.
attached_policy_names	The names (if any) of the IAM Policies attached to the User.
attached_policy_arns	The Amazon Resource Names (if any) of the IAM Policies attached to the User.
has_console_password	Whether or not the User has a console password set.
has_inline_policies	Boolean indicating whether or not the User has policies set directly on them.
inline_policy_names	The names of the policies (if any) which are directly on the User.
has_mfa_enabled	Boolean indicating whether the User has MFA enabled or not.
password_ever_used?	Whether the user has even used their console password.
password_last_used_days_ago	How long ago, in days, since the user last used their console password. Returns `-1` if the password has never been used.
entries	Provides access to the raw results of the query, which can be treated as an array of hashes.

Examples

Ensure there are no Users who do not have MFA enabled.

describe aws_iam_users.where( has_mfa_enabled: false) do
  it { should_not exist }
end

Ensure there are no Users with inline policies

describe aws_iam_users.where(has_inline_policies: true) do
  its('usernames') { should be_empty }
end

Ensure there are no Users with attached policies

describe aws_iam_users.where(has_attached_policies: true) do
  its('usernames') { should be_empty }
end

Matchers

For a full list of available matchers, please visit our matchers page.

exist

The control will pass if the describe returns at least one result.

Use should_not to test the entity should not exist.

describe aws_iam_users.where( <property>: <value>) do
  it { should exist }
end

describe aws_iam_users.where( <property>: <value>) do
  it { should_not exist }
end

AWS Permissions

Your Principal will need the following permissions set to Allow: iam:GetLoginProfile iam:ListUsers iam:ListMFADevices iam:ListAccessKeys iam:ListUserPolicies iam:ListAttachedUserPolicies