Restrict AWS Management Console access to expected networks with sign-in resource-based policies and RCPs

This guide outlines a method for implementing robust perimeter security around AWS Management Console sign-ins using resource-based policies (RBPs) and resource control policies (RCPs). Here's a summary of the key points:

1. Purpose: The goal is to restrict console access to specific networks, enhancing security by preventing unauthorized sign-ins from unexpected locations.

2. Implementation Steps:

   • Apply an AWS Sign-in Resource Policy to control which networks can initiate sign-ins.
   • Enable policy enforcement across your organization using RCPs in AWS Organizations.

3. Verification:

   • Test the implementation by attempting sign-ins from both allowed and disallowed networks, verifying that only authorized access is permitted.

4. Scalability:

   • For large organizations managing multiple accounts, use RCPs to apply policies consistently across all relevant accounts or organizational units (OUs).

5. Complementary Controls:

   • Integrate AWS Management Console Private Access to further restrict console access within your network.
   • Implement data perimeters that include network, identity, and resource controls.

6. Monitoring:

   • Use CloudTrail events to monitor sign-in attempts and identify any unauthorized access attempts.

7. Extensibility

Read the full article at AWS Security Blog

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