AWS Security Blog

Tag: Amazon S3

Security is the top priority for Amazon S3

Amazon Simple Storage Service (Amazon S3) launched 15 years ago in March 2006, and became the first generally available service from Amazon Web Services (AWS). AWS marked the fifteenth anniversary with AWS Pi Week—a week of in-depth streams and live events. During AWS Pi Week, AWS leaders and experts reviewed the history of AWS and […]

Review last accessed information to identify unused EC2, IAM, and Lambda permissions and tighten access for your IAM roles

September 28, 2023: IAM is incrementally adding support for actions from more services. For a list of services that report action last accessed information, see IAM action last accessed information services and actions. AWS Identity and Access Management (IAM) helps customers analyze access and achieve least privilege. When you are working on new permissions for […]

How to use AWS IAM Access Analyzer API to automate detection of public access to AWS KMS keys

In this blog post, I show you how to use AWS IAM Access Analyzer programmatically to automate the detection of public access to your resources in an AWS account. I also show you how to work with the Access Analyzer API, create an analyzer on your account and call specific API functions from your code. […]

IAM Access Analyzer makes it easier to implement least privilege permissions by generating IAM policies based on access activity

In 2019, AWS Identity and Access Management (IAM) Access Analyzer was launched to help you remove unintended public and cross account access by analyzing your existing permissions. In March 2021, IAM Access Analyzer added policy validation to help you set secure and functional permissions during policy authoring. Now, IAM Access Analyzer takes that a step […]

How to scale your authorization needs by using attribute-based access control with S3

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. May 26, 2021: In the section “Secure your tags using an AWS Organizations service control […]

Validate access to your S3 buckets before deploying permissions changes with IAM Access Analyzer

AWS Identity and Access Management (IAM) Access Analyzer helps you monitor and reduce access by using automated reasoning to generate comprehensive findings for resource access. Now, you can preview and validate public and cross-account access before deploying permission changes. For example, you can validate whether your S3 bucket would allow public access before deploying your […]

How to visualize multi-account Amazon Inspector findings with Amazon Elasticsearch Service

September 9, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. Amazon Inspector helps to improve the security and compliance of your applications that are deployed on Amazon Web Services (AWS). It automatically assesses Amazon Elastic Compute Cloud (Amazon EC2) instances and applications on those instances. From that assessment, it generates […]

Use Macie to discover sensitive data as part of automated data pipelines

Data is a crucial part of every business and is used for strategic decision making at all levels of an organization. To extract value from their data more quickly, Amazon Web Services (AWS) customers are building automated data pipelines—from data ingestion to transformation and analytics. As part of this process, my customers often ask how […]

Discover sensitive data by using custom data identifiers with Amazon Macie

As you put more and more data in the cloud, you need to rely on security automation to keep it secure at scale. AWS recently launched Amazon Macie, a fully managed service that uses machine learning and pattern matching to help you detect, classify, and better protect your sensitive data stored in the AWS Cloud. […]

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

November 1, 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. Amazon Simple Storage Service (S3) is an object storage service that offers industry-leading scalability, performance, […]