AWS Security Blog

Tag: Encryption

How US federal agencies can use AWS to encrypt data at rest and in transit

This post is part of a series about how Amazon Web Services (AWS) can help your US federal agency meet the requirements of the President’s Executive Order on Improving the Nation’s Cybersecurity. You will learn how you can use AWS information security practices to meet the requirement to encrypt your data at rest and in […]

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CloudHSM best practices to maximize performance and avoid common configuration pitfalls

August 31, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. AWS CloudHSM provides fully-managed hardware security modules (HSMs) in the AWS Cloud. CloudHSM automates day-to-day […]

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Encrypt global data client-side with AWS KMS multi-Region keys

Today, AWS Key Management Service (AWS KMS) is introducing multi-Region keys, a new capability that lets you replicate keys from one Amazon Web Services (AWS) Region into another. Multi-Region keys are designed to simplify management of client-side encryption when your encrypted data has to be copied into other Regions for disaster recovery or is replicated […]

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Three common cloud encryption questions and their answers on AWS

August 31, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. At Amazon Web Services (AWS), we encourage our customers to take advantage of encryption to […]

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Round 2 post-quantum TLS is now supported in AWS KMS

AWS Key Management Service (AWS KMS) now supports three new hybrid post-quantum key exchange algorithms for the Transport Layer Security (TLS) 1.2 encryption protocol that’s used when connecting to AWS KMS API endpoints. These new hybrid post-quantum algorithms combine the proven security of a classical key exchange with the potential quantum-safe properties of new post-quantum […]

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Combining encryption and signing with AWS KMS asymmetric keys

August 31, 2021: AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key. The concept has not changed. To prevent breaking changes, AWS KMS is keeping some variations of this term. More info. In this post, I discuss how to use AWS Key Management Service (KMS) to combine […]

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Improved client-side encryption: Explicit KeyIds and key commitment

I’m excited to announce the launch of two new features in the AWS Encryption SDK (ESDK): local KeyId filtering and key commitment. These features each enhance security for our customers, acting as additional layers of protection for your most critical data. In this post I’ll tell you how they work. Let’s dig in. The ESDK […]

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How to configure an LDAPS endpoint for Simple AD

In this blog post, we show you how to configure an LDAPS (LDAP over SSL or TLS) encrypted endpoint for Simple AD so that you can extend Simple AD over untrusted networks. Our solution uses Network Load Balancer (NLB) as SSL/TLS termination. The data is then decrypted and sent to Simple AD. Network Load Balancer […]

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Logical separation: Moving beyond physical isolation in the cloud computing era

We’re sharing an update to the Logical Separation on AWS: Moving Beyond Physical Isolation in the Era of Cloud Computing whitepaper to help customers benefit from the security and innovation benefits of logical separation in the cloud. This paper discusses using a multi-pronged approach—leveraging identity management, network security, serverless and containers services, host and instance […]

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How to retroactively encrypt existing objects in Amazon S3 using S3 Inventory, Amazon Athena, and S3 Batch Operations

Amazon Simple Storage Service (S3) is an object storage service that offers industry-leading scalability, performance, security, and data availability. With Amazon S3, you can choose from three different server-side encryption configurations when uploading objects: SSE-S3 – uses Amazon S3-managed encryption keys SSE-KMS – uses customer master keys (CMKs) stored in AWS Key Management Service (KMS) […]

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