Best practice rules for AWS Identity and Access Management (IAM)
AWS Identity and Access Management (IAM) enables you to manage users and permission levels for staff and third parties requiring access to your AWS account. This service provides centralized access to manage access keys, security credentials, and permission levels. This service is particularly useful for organisations with complex workloads on AWS.
Trend Micro Cloud One™ – Conformity monitors AWS Identity and Access Management (IAM) with the following rules:
- AWS Account Root User Activity
Monitor AWS Account Root User Activity
- AWS IAM Server Certificate Size
Ensure that all your SSL/TLS certificates are using either 2048 or 4096 bit RSA keys instead of 1024-bit keys.
- AWS Multi-Account Centralized Management
Set up, organize and manage your AWS accounts for optimal security and manageability.
- Access Keys During Initial IAM User Setup
Ensure no access keys are created during IAM user initial setup with AWS Management Console.
- Access Keys Rotated 30 Days
Ensure AWS IAM access keys are rotated on a periodic basis as a security best practice (30 Days).
- Access Keys Rotated 45 Days
Ensure AWS IAM access keys are rotated on a periodic basis as a security best practice (45 Days).
- Access Keys Rotated 90 Days
Ensure AWS IAM access keys are rotated on a periodic basis as a security best practice (90 Days).
- Account Alternate Contacts
Ensure alternate contacts are set to improve the security of your AWS account.
- Account Security Challenge Questions
Ensure security challenge questions are enabled and configured to improve the security of your AWS account.
- Allow IAM Users to Change Their Own Password
Ensure that all IAM users are allowed to change their own console password.
- Amazon EC2 Purchase Restriction
Restrict unintended IAM users from purchasing Amazon EC2 Reserved Instances and/or Savings Plans.
- Approved ECS Execute Command Access
Ensure that all access to the ECS Execute Command action is approved
- Attach Policy to IAM Roles Associated with App-Tier EC2 Instances
Ensure IAM policy for EC2 IAM roles for app tier is configured.
- Attach Policy to IAM Roles Associated with Web-Tier EC2 Instances
Ensure IAM policy for EC2 IAM roles for web tier is configured.
- Canary Access Token
Detects when a canary token access key has been used
- Check for IAM User Group Membership
Ensure that all Amazon IAM users have group memberships.
- Check for Individual IAM Users
Ensure there is at least one IAM user used to access your AWS cloud account.
- Check for Overly Permissive IAM Group Policies
Ensure that Amazon IAM policies attached to IAM groups aren't too permissive.
- Check for Untrusted Cross-Account IAM Roles
Ensure that AWS IAM roles cannot be used by untrusted accounts via cross-account access feature.
- Check that only safelisted IAM Users exist
Ensure that only safelisted IAM Users exist within your AWS account.
- Credentials Last Used
Ensure that unused AWS IAM credentials are decommissioned to follow security best practices.
- Cross-Account Access Lacks External ID and MFA
Ensure cross-account access roles are using Multi-Factor Authentication (MFA) or External IDs.
- Enable MFA for IAM Users with Console Password
Ensure that Multi-Factor Authentication (MFA) is enabled for all Amazon IAM users with console access.
- Enforce Infrastructure as Code using IAM Policies
Enforce Infrastructure as Code by controlling access for requests made on your behalf.
- Expired SSL/TLS Certificate
Ensure expired SSL/TLS certificates are removed from AWS IAM.
- Hardware MFA for AWS Root Account
Ensure hardware MFA is enabled for the 'root' account.
- IAM Access Analyzer in Use
Ensure that IAM Access Analyzer feature is enabled to maintain access security to your AWS resources.
- IAM Configuration Changes
AWS IAM configuration changes have been detected within your Amazon Web Services account.
- IAM CreateLoginProfile detected
AWS IAM 'CreateLoginProfile' call has been detected within your Amazon Web Services account.
- IAM Group With Inline Policies
Ensure IAM groups don't have inline policies attached.
- IAM Groups with Administrative Privileges
Ensure there are no IAM groups with administrative permissions available in your AWS cloud account.
- IAM Master and IAM Manager Roles (Deprecated)
Ensure that IAM Master and IAM Manager roles are active in your AWS cloud account.
- IAM Password Policy
Ensure that your AWS cloud account has a strong IAM password policy in use.
- IAM Policies With Full Administrative Privileges
Ensure IAM policies that allow full '*:*' administrative privileges aren't created.
- IAM Policies with Effect Allow and NotAction
Ensure that IAM policies do not use "Effect": "Allow" in combination with "NotAction" element to follow IAM security best practices.
- IAM Role Policy Too Permissive
Ensure that the access policies attached to your IAM roles adhere to the principle of least privilege.
- IAM Support Role
Ensure there is an active IAM Support Role available within your AWS cloud account.
- IAM User Password Expiry 30 Days
Ensure AWS Identity and Access Management (IAM) user passwords are reset before expiration (30 Days).
- IAM User Password Expiry 45 Days
Ensure AWS Identity and Access Management (IAM) user passwords are reset before expiration (45 Days).
- IAM User Password Expiry 7 Days
Ensure AWS Identity and Access Management (IAM) user passwords are reset before expiration (7 Days).
- IAM User Policies
Ensure AWS IAM policies are attached to groups instead of users as an IAM best practice.
- IAM User with Password and Access Keys
Ensure that IAM users have either API access or console access in order to follow IAM security best practices.
- IAM Users Unauthorized to Edit Access Policies
Ensure AWS IAM users that are not authorized to edit IAM access policies are decommissioned..
- IAM Users with Administrative Privileges
Ensure there are no IAM users with administrative permissions available in your AWS cloud account.
- Inactive IAM Console User
Ensure no AWS IAM users have been inactive for a long (specified) period of time.
- MFA Device Deactivated
A Multi-Factor Authentication (MFA) device deactivation for an IAM user has been detected.
- Pre-Heartbleed Server Certificates
Ensure that your server certificates are not vulnerable to Heartbleed security bug.
- Receive Permissions via IAM Groups Only
Ensure that IAM users receive permissions only through IAM groups.
- Root Account Access Keys Present
Ensure that your AWS root account is not using access keys as a security best practice.
- Root Account Active Signing Certificates
Ensure that your AWS root account user is not using X.509 certificates to validate API requests.
- Root Account Credentials Usage
Ensure that root account credentials have not been used recently to access your AWS account.
- Root MFA Enabled
Ensure that Multi-Factor Authentication (MFA) is enabled for your AWS root account.
- SSH Public Keys Rotated 30 Days
Ensure AWS IAM SSH public keys are rotated on a periodic basis as a security best practice.
- SSH Public Keys Rotated 45 Days
Ensure IAM SSH public keys are rotated on a periodic basis to adhere to AWS security best practices.
- SSH Public Keys Rotated 90 Days
Ensure IAM SSH public keys are rotated on a periodic basis to adhere to AWS security best practices.
- SSL/TLS Certificate Expiry 30 Days
Ensure SSL/TLS certificates are renewed before their expiration.
- SSL/TLS Certificate Expiry 45 Days
Ensure SSL/TLS certificates are renewed before their expiration.
- SSL/TLS Certificate Expiry 7 Days
Ensure SSL/TLS certificates are renewed before their expiration.
- Sign-In Events
AWS sign-in events for IAM and federated users have been detected.
- Unapproved IAM Policy in Use
Ensure there are no unapproved AWS Identity and Access Management (IAM) policies in use.
- Unnecessary Access Keys
Ensure there is a maximum of one active access key pair available for any single IAM user.
- Unnecessary SSH Public Keys
Ensure there is a maximum of one active SSH public keys assigned to any single IAM user.
- Unused IAM Group
Ensure all IAM groups have at least one user.
- Unused IAM User
Ensure unused IAM users are removed from AWS account to follow security best practice.
- Valid IAM Identity Providers
Ensure valid IAM Identity Providers are used within your AWS account for secure user authentication and authorization.