Security in AWS Application Migration Service

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Security in AWS Application Migration Service - Application Migration Service

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Overview

Cloud security at AWS is the highest priority. As an AWS customer, you benefit from a data center and network architecture that is built to meet the requirements of the most security-sensitive organizations.

Security is a shared responsibility between AWS and you. The shared responsibility model describes this as security of the cloud and security in the cloud:

Security of the cloud – AWS is responsible for protecting the infrastructure that runs AWS services in the AWS Cloud. AWS also provides you with services that you can use securely. Third-party auditors regularly test and verify the effectiveness of our security as part of the AWS Compliance Programs . To learn about the compliance programs that apply to AWS Application Migration Service (AWS MGN), see AWS Services in Scope by Compliance Program. .
Security in the cloud – Your responsibility is determined by the AWS service that you use. You are also responsible for other factors including the sensitivity of your data, your company’s requirements, and applicable laws and regulations

This documentation helps you understand how to apply the shared responsibility model when using AWS Application Migration Service. It shows you how to configure AWS Application Migration Service to meet your security and compliance objectives. You also learn how to use other AWS services that help you to monitor and secure your AWS Application Migration Service resources.

The customer is responsible for making sure that no misconfigurations are present during and after the migration process, including:

Access to replication servers should be allowed only from source servers CIDR range by applying proper security groups rules on replication servers.
After the migration, the customer should make sure that only allowed ports are exposed to the public internet.
Hardening of OS packages and other software deployed in the servers is completely under the customer’s responsibility and we recommend the following:
1. Packages should be up to date and free of known vulnerabilities.
2. Only necessary OS/application services should be up and running.
Enabling the Anti-DDOS protection (AWS Shield) in the customer's AWS Account to eliminate the risk of denial of service attacks on the replication servers as well as the migrated servers.

Policy structure

An IAM policy is a JSON document that consists of one or more statements. Each statement is structured as follows.


{
        "Statement": [
                {
                        "Effect": "effect",
                        "Action": "action",
                        "Resource": "arn",
                        "Condition": {
                                "condition": {
                                        "key":"value"
                                }
                        }
                }
        ]
}

There are various elements that make up a statement:

Effect: The effect can be Allow or Deny. By default, IAM users don't have permission to use resources and API actions, so all requests are denied. An explicit allow overrides the default. An explicit deny overrides any allows.
Action: The action is the specific AWS Application Migration Service API action for which you are granting or denying permission.
Resource: The resource that's affected by the action. For AWS Application Migration Service, you must specify "*" as the resource.
Condition: Conditions are optional. They can be used to control when your policy is in effect.