AWS Security Blog

Tag: S3

Writing IAM Policies: Grant Access to User-Specific Folders in an Amazon S3 Bucket

Mar 25, 2024: We have fixed the JSON code examples which caused errors by replacing the curly quotes with straight quotes. November 14, 2023: We’ve updated this post to use IAM Identity Center and follow updated IAM best practices. In this post, we discuss the concept of folders in Amazon Simple Storage Service (Amazon S3) […]

IAM Policies and Bucket Policies and ACLs! Oh, My! (Controlling Access to S3 Resources)

September 11, 2023: This post has been updated. Updated on July 6, 2023: This post has been updated to reflect the current guidance around the usage of S3 ACL and to include S3 Access Points and the Block Public Access for accounts and S3 buckets. Updated on April 27, 2023: Amazon S3 now automatically enables […]

Use Amazon Macie for automatic, continual, and cost-effective discovery of sensitive data in S3

Customers have an increasing need to collect, store, and process data within their AWS environments for application modernization, reporting, and predictive analytics. AWS Well-Architected security pillar, general data privacy and compliance regulations require that you appropriately identify and secure sensitive information. Knowing where your data is allows you to implement the appropriate security controls which […]

Export historical Security Hub findings to an S3 bucket to enable complex analytics

AWS Security Hub is a cloud security posture management service that you can use to perform security best practice checks, aggregate alerts, and automate remediation. Security Hub has out-of-the-box integrations with many AWS services and over 60 partner products. Security Hub centralizes findings across your AWS accounts and supported AWS Regions into a single delegated […]

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 […]

AWS IAM Sessions at re:Invent 2015

As I said last week, the breakout sessions for the Security & Compliance track have been announced and are shown in the re:Invent 2015 session catalog. If you are going to re:Invent 2015, you can add these sessions to your schedule now. Today, I will highlight the AWS Identity and Access Management (IAM) sessions that […]

In Case You Missed Them: Some Recent Security Enhancements in AWS

With the steady cadence of updates and enhancements for AWS services, it can sometimes be easy to miss announcements about features that relate to security. Here are some recent security-related updates in AWS services that we’re excited about and that you might not have heard about. AWS Trusted Advisor inspects your AWS environment and finds […]

Some AWS SDKs Security Features You Should Know About

The AWS SDK team recently added and documented some security-related features that we think you shouldn’t miss. Check these out! Updates for managing access keys in the .NET and Java SDKs. In Referencing Credentials using Profiles, blogger Norm Johanson describes how you can now put a credentials file in your user folder. This great security […]

CloudBerry Active Directory Bridge for Authenticating non-AWS AD Users to S3

One of the benefits of AWS is the highly available, durable, and practically unlimited cloud-based storage you can get with Amazon Simple Storage Services (Amazon S3).  Over two trillion objects are already stored in S3 and customers are always finding more creative uses for S3.  One of the more commonly requested use cases is how […]

Encrypting Data in Amazon S3

Readers have expressed interest in learning more about encryption and key management for protecting data stored in AWS. Amazon Simple Storage Service (S3) supports a server-side encryption feature where you can set a flag in the API or check a box in the AWS Management Console to automatically encrypt your data before it’s written to […]