Attaching IAM Policies to Groups or Roles
Do Not Attach IAM Policies to Users
Understanding policy architecture within AWS IAM is a key in supporting the principle of least privilege. It is best practice to only attach IAM policies to groups or roles – not users. The CIS AWS Foundations Benchmark explains that assigning privileges at the group or role level instead of the user level will reduce the complexity of access management as the number of your users scales, plus stricter access management will reduce the opportunity inadvertently excessive privileges.
Transcription
AWS Identity and Access Management is probably the key feature that we point out the most when we’re talking about your AWS security posture. Understanding your policy assignments and your policy architecture is critical to ensuring you have a secure environment. One of the best practices that needs to be implemented in your environment is ensuring that AWS IAM policies are attached only to roles and groups and not typically attached to users. As such, you can log into your AWS Management Console, look at your user assignments, and understand which policies are attached to each user.
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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
PCI Requirement 8.2.1 – Use Strong Cryptography to Render All Authentication Credentials Unreadable
PCI Requirement 8.2.2 – Verify User Identity Before Modifying Any Authentication Credential
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PCI Requirement 8.2.4 – Change User PasswordsPassphrases at Least Once Every 90 Days
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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