Amazon Web Services (AWS) recently released AWS IAM Identity Center trusted identity propagation to create identity-enhanced IAM role sessions when requesting access to AWS services as well as to trusted token issuers. These two features can help customers build custom applications on top of AWS, which requires fine-grained access …

Externalized authorization for custom applications is a security approach where access control decisions are managed outside of the application logic. Instead of embedding authorization rules within the application’s code, these rules are defined as policies, which are evaluated by a separate system to make an authorization decision. This …

When building API-based web applications in the cloud, there are two main types of communication flow in which identity is an integral consideration: User-to-Service communication: Authenticate and authorize users to communicate with application services and APIs Service-to-Service communication: Authenticate and authorize application services to talk to each other To …

In part 1, we discussed how to use Amazon SageMaker Studio to analyze time-series data in Amazon Security Lake to identify critical areas and prioritize efforts to help increase your security posture. Security Lake provides additional visibility into your environment by consolidating and normalizing security data from both AWS …

This blog post demonstrates how to help meet your security goals for a containerized process running outside of Amazon Web Services (AWS) as part of a hybrid cloud architecture. Managing credentials for such systems can be challenging, including when a workload needs to access cloud resources. IAM Roles Anywhere …

With Amazon Cognito user pools, you can add user sign-up and sign-in features and control access to your web and mobile applications. You can enable your users who already have accounts with other identity providers (IdPs) to skip the sign-up step and sign in to your application by using …

Customers face a number of challenges to quickly and effectively respond to a security event. To start, it can be difficult to standardize how to respond to a partic­ular security event, such as an Amazon GuardDuty finding. Additionally, silos can form with reliance on one security analyst who …

In this blog post, we look at how you can use AWS IAM Identity Center (successor to AWS Single Sign-On) to delegate the management of permission sets and account assignments. Delegating the day-to-day administration of user identities and entitlements allows teams to move faster and reduces the burden on …

If you own a domain that you use for email, you want to maintain the reputation and goodwill of your domain’s brand. Several industry-standard mechanisms can help prevent your domain from being used as part of a phishing attack. In this post, we’ll show you how to …

If you’re a SaaS vendor, you may need to store and process personal and sensitive data for large numbers of customers across different geographies. When processing sensitive data at scale, you have an increased responsibility to secure this data end-to-end. Client-side encryption of data, such as your customers …

Amazon Web Services (AWS) customers can use AWS Shield Advanced to detect and mitigate distributed denial of service (DDoS) attacks that target their applications running on Amazon Elastic Compute Cloud (Amazon EC2), Elastic Local Balancing (ELB), Amazon CloudFront, AWS Global Accelerator, and Amazon Route 53. By using protection groups …

Maintaining AWS Identity and Access Management (IAM) resources is similar to keeping your garden healthy over time. Having visibility into your IAM resources, especially the resources that are no longer used, is important to keep your AWS environment secure. Proactively detecting and responding to unused IAM roles helps you …

In this post, we show how you can use the AWS Certificate Manager Private Certificate Authority (ACM Private CA) to help follow security best practices when you build a CA hierarchy. This blog post walks through certificate authority (CA) lifecycle management topics, including an architecture overview, centralized security, separation …

With Amazon Cognito, you can quickly add user sign-up, sign-in, and access control to your web and mobile applications. After a user signs in successfully, Cognito generates an identity token for user authorization. The service provides a pre token generation trigger, which you can use to customize identity token …

This blog post discusses how you can use AWS Key Management Service (AWS KMS) RSA public keys on end clients or devices and encrypt data, then subsequently decrypt data by using private keys that are secured in AWS KMS. Asymmetric cryptography is a cryptographic system that uses key pairs …

Portuguese version AWS is pleased to announce the publication of the Brazil General Data Protection Law Workbook. The General Data Protection Law (LGPD) in Brazil was first published on 14 August 2018, and started its applicability on 18 August 2020. Companies that manage personally identifiable information (PII) in Brazil …

This blog post demonstrates how you can secure Amazon API Gateway HTTP endpoints with JSON web token (JWT) authorizers. Amazon API Gateway helps developers create, publish, and maintain secure APIs at any scale, helping manage thousands of API calls. There are no minimum fees, and you only pay for …

Securing software-as-a-service (SaaS) applications is a top priority for all application architects and developers. Doing so in an environment shared by multiple tenants can be even more challenging. Identity frameworks and concepts can take time to understand, and forming tenant isolation in these environments requires deep understanding of different …

This blog post shows you how to use the machine learning capabilities of Amazon OpenSearch Service (successor to Amazon Elasticsearch Service) to detect and visualize anomalies in AWS WAF logs. AWS WAF logs are streamed to Amazon OpenSearch Service using Amazon Kinesis Data Firehose. Kinesis Data Firehose invokes an …

In this blog post, you’ll learn how to implement the OAuth 2.0 device authorization grant flow for Amazon Cognito by using AWS Lambda and Amazon DynamoDB. When you implement the OAuth 2.0 authorization framework (RFC 6749) for internet-connected devices with limited input capabilities or that lack …

Securing east-west traffic in service meshes, such as AWS App Mesh, by using mutual Transport Layer Security (mTLS) adds an additional layer of defense beyond perimeter control. mTLS adds bidirectional peer-to-peer authentication on top of the one-way authentication in normal TLS. This is done by adding a client-side certificate …

With AWS Certificate Manager Private Certificate Authority (ACM Private CA) you can create private certificate authority (CA) hierarchies, including root and subordinate CAs, without the investment and maintenance costs of operating an on-premises CA. In this post, I will explain how you can use ACM Private CA with AWS …

Multi-tenant applications must be architected so that the resources of each tenant are isolated and cannot be accessed by other tenants in the system. AWS Identity and Access Management (IAM) is often a key element in achieving this goal. One of the challenges with using IAM, however, is that …

AWS Key Management Service (AWS KMS) makes it easy to create and manage cryptographic keys in your applications. The service supports both symmetric and asymmetric customer master keys (CMKs). The asymmetric CMKs offer digital signature capability, which data consumers can use to verify that data is from a trusted …

In this blog post, we show you how to scale your Amazon Simple Storage Service (Amazon S3) authorization strategy as an alternative to using path based authorization. You are going to combine attribute-based access control (ABAC) using AWS Identity and Access Management (IAM) with a standard Active Directory Federation …