Defining Resources in IAM Policies
Restricting Full Administrative Access
IAM policies drive the architecture within your AWS environment. The scope of these policies needs to be appropriately restricted, especially when it comes to administrative access. Following the industry standard of least privilege, recommendation 1.22 of the CIS AWS Foundations Benchmark states that IAM policies that allow full administrative privileges should not be created. Specifically, IAM policies that have a statement with "Effect": "Allow" with "Action": "*" over "Resource": "*" should be removed.
Transcription
Identity and Access Management within AWS is a complex topic. When creating policies, users should ensure that policies are not created that have unrestricted access to all resources. When policies are created, users should ensure that each policy has a defined resource attached to the policy. By ensuring that each policy has a defined resource, users have implemented good logical access control in ensuring that least privilege is defined with the accessing of resources.
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PCI Requirement 7 – Restrict Access to Cardholder Data by Business Need to Know.mp4
PCI Requirement 7.1 – Limit Access to System Components and Cardholder Data
PCI Requirement 7.1.1 – Define Access Needs for Each Role
PCI Requirement 7.1.2 – Restrict Access to Privileged User IDs to Least Privileges Necessary
PCI Requirement 7.1.3 - Assign access based on individual personnel’s job classification & function
PCI Requirement 7.1.4 – Require Documented Approval by Authorized Parties
PCI Requirement 7.2 – Establish an Access Control System
PCI Requirement 7.2.1 – Coverage of all System Components
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PCI Requirement 7.3 – Document Policies & Procedures for Restricting Access to Cardholder Data
PCI Requirement 8 - Identify and Authenticate Access to System Components
PCI Requirement 8.1 – Define and Implement Policies and Procedures to Ensure Proper User Management
PCI Requirement 8.1.2 – Control Addition, Deletion, and Modification of User IDs, Credentials
PCI Requirement 8.1.3 – Immediately Revoke Access for Terminated Users
PCI Requirement 8.1.4 – RemoveDisable Inactive User Accounts Within 90 Days
PCI Requirement 8.1.5 – Manage IDs Used by 3rd Parties to Access, Support, or Maintain System Comps
PCI Requirement 8.1.6 – Limit Repeated Access Attempts by Locking Out User ID After Six Attempts
PCI Requirement 8.1.7 – Set Lockout Duration to a Minimum of 30 Minutes
PCI Requirement 8.1.8 – Require Re-Authentication After 15 Minutes of Inactivity
PCI Requirement 8.2 – Ensure Proper User-Authentication Management by Something You Know
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PCI Requirement 8.2.5 – New Passwords Can’t Be the Same as Any of the Last Four Passwords Used
PCI Requirement 8.2.6 – Set Passwords for First-Time Use and Upon Reset to a Unique Value
PCI Requirement 8.3 – Secure All Individual Non-Console Administrative Access
PCI Requirement 8.3.1 – Incorporate Multi-Factor Authentication for All Non-Console Access
PCI Requirement 8.3.2 – Incorporate Multi-Factor Authentication for all Remote Network Access
PCI Requirement 8.4 – Document and Communicate Authentication Policies and Procedures to All Users
PCI Requirement 8.5 – Do Not Use Group, Shared, or Generic IDs, or Passwords
PCI Requirement 8.5.1 – Remote Access to Customer Premises Must Use Unique Authentication
PCI Requirement 8.6 – Authentication Mechanisms Must Not Be Shared Among Multiple Accounts
PCI Requirement 8.7 – Restrict All Access to Any Database Containing Cardholder Data
PCI Requirement 8.8 – Ensure Policies & Procedures for Authentication are Documented
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