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1. Intro to AWS

Jul 13, 20252 min read

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1.1 AWS Organization

Management account - first account you create to create an organization (organization root) - most important account - has admin priv over all member account - not the same as root user

[! warning] Never run any service using the Management account (root account)

Organizational units (OU)- Essentially act as folders under an organization - made to organize recourses and permissions

Member accounts / Children account - can run allowed aws services

Management account

Deals with org wise privileges or any level below it

  • Can create and organize, delete OUs, accounts
  • Can delete the entire org
  • Billing of all the accounts

Anyone from management has access to other child accounts with admin privs by default The OrganizationAccountAccessRole is created for management accounts The management account will require to have permissions to assume role to access recourses from child account

Service Control Policies are impt to restrict access to resources

**Service Control Policies

  • They limit services and actions that can be used by users and roles in the accounts that the policy is in effect
  • Even Root users in the children account will be affected by SCP
  • Only restricts principals in the account. Other users wont be affected

ARN

AWS resource Name - unique name for every resource

1.2 AWS Principals

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