AWS Security Blog
Category: Intermediate (200)
Encryption in transit over external networks: AWS guidance for NYDFS and beyond
On November 1, 2023, the New York State Department of Financial Services (NYDFS) issued its Second Amendment (the Amendment) to its Cybersecurity Requirements for Financial Services Companies adopted in 2017, published within Section 500 of 23 NYCRR 500 (the Cybersecurity Requirements; the Cybersecurity Requirements as amended by the Amendment, the Amended Cybersecurity Requirements). In the introduction […]
Using Amazon GuardDuty Malware Protection to scan uploads to Amazon S3
Amazon Simple Storage Service (Amazon S3) is a widely used object storage service known for its scalability, availability, durability, security, and performance. When sharing data between organizations, customers need to treat incoming data as untrusted and assess it for malicious files before ingesting it into their downstream processes. This traditionally requires setting up secure staging […]
Network perimeter security protections for generative AI
Generative AI–based applications have grown in popularity in the last couple of years. Applications built with large language models (LLMs) have the potential to increase the value companies bring to their customers. In this blog post, we dive deep into network perimeter protection for generative AI applications. We’ll walk through the different areas of network […]
SaaS authentication: Identity management with Amazon Cognito user pools
Amazon Cognito is a customer identity and access management (CIAM) service that can scale to millions of users. Although the Cognito documentation details which multi-tenancy models are available, determining when to use each model can sometimes be challenging. In this blog post, we’ll provide guidance on when to use each model and review their pros […]
How to build a CA hierarchy across multiple AWS accounts and Regions for global organization
Building a certificate authority (CA) hierarchy using AWS Private Certificate Authority has been made simple in Amazon Web Services (AWS); however, the CA tree will often reside in one AWS Region in one account. Many AWS customers run their businesses in multiple Regions using multiple AWS accounts and have described the process of creating a […]
How to use the AWS Secrets Manager Agent
September 18, 2024: This post has been updated to include instructions for building the Secrets Manager Agent. AWS Secrets Manager is a service that helps you manage, retrieve, and rotate database credentials, application credentials, API keys, and other secrets throughout their lifecycles. You can use Secrets Manager to replace hard-coded credentials in application source code […]
Strategies for achieving least privilege at scale – Part 2
In this post, we continue with our recommendations for achieving least privilege at scale with AWS Identity and Access Management (IAM). In Part 1 of this two-part series, we described the first five of nine strategies for implementing least privilege in IAM at scale. We also looked at a few mental models that can assist […]
Strategies for achieving least privilege at scale – Part 1
Least privilege is an important security topic for Amazon Web Services (AWS) customers. In previous blog posts, we’ve provided tactical advice on how to write least privilege policies, which we would encourage you to review. You might feel comfortable writing a few least privilege policies for yourself, but to scale this up to thousands of […]
Top four ways to improve your Security Hub security score
AWS Security Hub is a cloud security posture management (CSPM) service that performs security best practice checks across your Amazon Web Services (AWS) accounts and AWS Regions, aggregates alerts, and enables automated remediation. Security Hub is designed to simplify and streamline the management of security-related data from various AWS services and third-party tools. It provides […]
ACM will no longer cross sign certificates with Starfield Class 2 starting August 2024
February 25, 2025: The FAQ in this post was updated to indicate that AWS services also use certificates from ACM, and users relying on the certificate chain used by such services could be impacted. October 18, 2024: We’ve updated the rollout timeline, description for certificate pinning, and FAQ to reflect the latest third-party platforms that […]