AWS Security Blog
Tag: Amazon S3
How to export AWS Security Hub findings to CSV format
December 22, 2022: We are working on an update to address issues related to cloudformation stack deployment in regions other than us-east-1, and Lambda timeouts for customers with more than 100,000 findings. AWS Security Hub is a central dashboard for security, risk management, and compliance findings from AWS Audit Manager, AWS Firewall Manager, Amazon GuardDuty, […]
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 […]
Top 10 security best practices for securing data in Amazon S3
With more than 100 trillion objects in Amazon Simple Storage Service (Amazon S3) and an almost unimaginably broad set of use cases, securing data stored in Amazon S3 is important for every organization. So, we’ve curated the top 10 controls for securing your data in S3. By default, all S3 buckets are private and can […]
How to securely create and store your CRL for 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. December 4, 2023:We’ve updated the new Amazon CloudFront security feature Origin Access Control in place of the Origin Access Identity. December 14, 2021:The code in […]
Use IAM Access Analyzer to generate IAM policies based on access activity found in your organization trail
January 25, 2024: The path of the bucket was updated in this post. In April 2021, AWS Identity and Access Management (IAM) Access Analyzer added policy generation to help you create fine-grained policies based on AWS CloudTrail activity stored within your account. Now, we’re extending policy generation to enable you to generate policies based on […]
Strengthen the security of sensitive data stored in Amazon S3 by using additional AWS services
October 13, 2021: We’ve added a section on redacting and transforming personally identifiable information with Amazon S3 Object Lambda. In this post, we describe the AWS services that you can use to both detect and protect your data stored in Amazon Simple Storage Service (Amazon S3). When you analyze security in depth for your Amazon […]
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 […]