AWS Systems Manager Parameter Store

Used to store system configurations (documents, configurations, secrets, strings) in a resilient, secure and scalable way
Stores data in a key-value format
Many AWS services have native integration with Parameter Store
Parameter store offers the availability to store 3 different type of values: Strings, StringLists and SecureStrings
We can store license codes, database strings, full configs and passwords in Parameter Store
Values can be stored in a hierarchical way. Different versions of the values are also stored
Parameter Store can store plaintext and ciphertext which can be decrypted using the KMS integration
Public Parameters: parameters maintained and provided by AWS, example: latest AMIs per region
Parameter Store is public service
Parameter Store is tightly integrated with IAM