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Ensure that your Amazon Database Migration Service (DMS) replication instances are using Multi-AZ deployment configurations to provide High Availability (HA) through automatic failover to standby replicas in the event of a failure such as an Availability Zone (AZ) outage, an internal hardware or network outage, a software failure or in case of a planned maintenance session
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Not enabling Multi-AZ for Database Migration Service can lead to increased downtime and data loss risks during outages, compromising the availability and reliability of your database operations.
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Enable Multi-AZ support for your Database Migration Service to enhance availability and resilience, ensuring automatic failover and reducing downtime during outages.
Ensure that your Amazon Database Migration Service (DMS) are not publicly accessible from the Internet in order to avoid exposing private data and minimize security risks.
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Publicly accessible DMS replication instances expose your database to unauthorized access and potential attacks, increasing the risk of data breaches and compromising the security of sensitive information.
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Restrict access to your DMS replication instances by configuring security groups and network access controls to allow connections only from trusted IP addresses and private subnets, ensuring that they are not publicly accessible.
Ensure that your Amazon Database Migration Service (DMS) replication instances have the Auto Minor Version Upgrade feature enabled in order to receive automatically minor engine upgrades.
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Not enabling DMS Auto Minor Version Upgrade can lead to running outdated database versions, increasing vulnerability to security risks and bugs, while missing out on performance improvements and new features provided in minor updates.
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Enable DMS Auto Minor Version Upgrade to automatically apply minor version updates, ensuring your database is always up-to-date with the latest security patches, performance enhancements, and bug fixes.
Ensure that all your Amazon Elastic Block Store (EBS) volumes are encrypted in order to meet security and compliance requirements. With encryption enabled, your EBS volumes can hold sensitive, confidential, and critical data.
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Disabling AWS EBS encryption exposes sensitive data to unauthorized access, increasing the risk of data breaches and compliance violations.
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Enable encryption for all existing EBS volumes and ensure that all new volumes created are configured to use encryption by default. Additionally, update any snapshots to be encrypted and use AWS Key Management Service (KMS) to manage encryption keys securely.
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