AWS Security Blog

Tag: AWS Private CA

Automating AWS Private CA audit reports and certificate expiration alerts

Today’s organizations rely heavily on secure and reliable communication channels and digital certificates play a crucial role in securing internal and external-facing infrastructure by establishing trust and enabling encrypted communication. While public certificates are commonly used to secure internet applications, many organizations prefer private certificates for internal resources to maintain confidentiality and enable custom configurations […]

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How to issue use-case bound certificates with AWS Private CA

In this post, we’ll show how you can use AWS Private Certificate Authority (AWS Private CA) to issue a wide range of X.509 certificates that are tailored for specific use cases. These use-case bound certificates have their intended purpose defined within the certificate components, such as the Key Usage and Extended Key usage extensions. We […]

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Migrate your Windows PKI from Microsoft Active Directory Certificate Services to AWS Private CA Connector for Active Directory

When you migrate your Windows environment to Amazon Web Services (AWS), you might need to address certificate management for computers and users in your Active Directory domain. Today, Windows administrators commonly use Active Directory Certificate Services (AD CS) to support this task. In this post, we will show you how to migrate AD CS to […]

New report released – Centralized Trust for Decentralized Uses: Revisiting Private Certificate Authorities

Amazon Web Services (AWS) is excited to announce the availability of a new sponsored report from S&P Global Market Intelligence 451 Research, Centralized Trust for Decentralized Uses: Revisiting Private Certificate Authorities. We heard from customers actively seeking centralized management solutions for multi-cloud environments and worked with 451 Research, a technology research solution that provides a […]

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How to enforce DNS name constraints in AWS Private CA

In March 2022, AWS announced support for custom certificate extensions, including name constraints, using AWS Private Certificate Authority (AWS Private CA). Defining DNS name constraints with your subordinate CA can help establish guardrails to improve public key infrastructure (PKI) security and mitigate certificate misuse. For example, you can set a DNS name constraint that restricts […]

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How to enforce multi-party approval for creating Matter-compliant certificate authorities

Customers who build smart home devices using the Matter protocol from the Connectivity Standards Alliance (CSA) need to create and maintain digital certificates, called device attestation certificates (DACs), to allow their devices to interoperate with devices from other vendors. DACs must be issued by a Matter device attestation certificate authority (CA). The CSA mandates multi-party […]

Top 2022 AWS data protection service and cryptography tool launches

February 28, 2023: We updated this blog to include AWS Wickr. Given the pace of Amazon Web Services (AWS) innovation, it can be challenging to stay up to date on the latest AWS service and feature launches. AWS provides services and tools to help you protect your data, accounts, and workloads from unauthorized access. AWS […]

How to incorporate AWS Private CA into your existing Windows Active Directory Certificate Services

June 25, 2025: As of Sept 28, 2022, AWS has changed the name of ACM Private CA to AWS Private CA. This post has been updated to reflect this change. Using certificates to authenticate and encrypt data is vital to any enterprise security. For example, companies rely on certificates to provide TLS encryption for web […]

Top 2021 AWS service launches security professionals should review – Part 2

In Part 1 of this two-part series, we shared an overview of some of the most important 2021 Amazon Web Services (AWS) Security service and feature launches. In this follow-up, we’ll dive deep into additional launches that are important for security professionals to be aware of and understand across all AWS services. There have already […]

Choosing the right certificate revocation method in AWS Private CA

June 25, 2025: As of Sept 28, 2022, AWS has changed the name of ACM Private CA to AWS Private CA. This post has been updated to reflect this change. AWS Private Certificate Authority (AWS Private CA) is a highly available, fully managed private certificate authority (CA) service that allows you to create CA hierarchies […]