AWS Security Blog
Tag: Best Practices
Controlling Network Access to EC2 Instances Using a Bastion Server
As the number of EC2 instances in your AWS environment grows, so too does the number of administrative access points to those instances. Depending on where your administrators connect to your instances from, you may consider enforcing stronger network-based access controls. A best practice in this area is to use a bastion. A bastion is […]
Securing Access to AWS Using MFA – Part 3
In Part 1 (configuring MFA for sign-in) and Part 2 (MFA-protected API access) of this series, we discussed various ways in which AWS Multi-Factor Authentication (MFA) can improve the security of your account. This week’s topic will be a brief overview of how you can use MFA in conjunction with Amazon S3 Versioning. What is […]
Resource-Level Permissions for EC2–Controlling Management Access on Specific Instances
Note: As of March 28, 2017, Amazon EC2 supports tagging on creation, enforced tag usage, AWS Identity and Access Management (IAM) resource-level permissions, and enforced volume encryption. See New – Tag EC2 Instances & EBS Volumes on Creation on the AWS Blog for more information. We are happy to announce that we launched resource-level permissions […]
Generating IAM Policies in Code
If you’ve worked with AWS Identity and Access Management (IAM) policies, you know that they’re expressed as JSON documents. For example, here’s a policy that grants permission to perform some actions in our Amazon Glacier storage service: { “Version”: “2012-10-17”, “Statement”: [ { “Action”: [ “glacier:ListVaults”, “glacier:DescribeVault”, “glacier:GetVaultNotifications” ], “Effect”: “Allow”, “Resource”: “*” } ] } […]
Securing Access to AWS Using MFA–Part 2
In part I of our series on multi-factor authentication (MFA), we mentioned that the next topic would be securing access to AWS APIs with MFA. This week’s guest blogger Kai Zhao, Product Manager on our AWS Identity and Access Management (IAM) team, will give a brief overview of AWS MFA-protected API access. Introduction MFA-protected API […]
Understanding the API Options for Securely Delegating Access to Your AWS Account
Thinking about building a secure delegation solution to grant temporary access to your AWS account? This week’s guest blogger Kai Zhao, Product Manager on our AWS Identity and Access Management (IAM) team, will discuss some considerations when deciding on an approach: Introduction Using temporary security credentials (“sessions”) enables you to securely delegate access to your AWS environment […]
Securing Access to AWS Using MFA–Part 1
In this series of blog posts, we’ll walk through different ways to keep your AWS resources secure using AWS Multi-Factor Authentication (MFA). As a best practice, we strongly recommend that you secure access to your account with AWS MFA. It’s a simple way to add an extra layer of protection on top of your username […]