AWS Security Blog

Category: Advanced (300)

How to configure Duo multi-factor authentication with Amazon Cognito

Adding multi-factor authentication (MFA) reduces the risk of user account take-over, phishing attacks, and password theft. Adding MFA while providing a frictionless sign-in experience requires you to offer a variety of MFA options that support a wide range of users and devices. Let’s see how you can achieve that with Amazon Cognito and Duo MFA. […]

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Automate AWS Firewall Manager onboarding using AWS Centralized WAF and VPC Security Group Management solution

Many customers—especially large enterprises—run workloads across multiple AWS accounts and in multiple AWS regions. AWS Firewall Manager service, launched in April 2018, enables customers to centrally configure and manage AWS WAF rules, audit Amazon VPC security group rules across accounts and applications in AWS Organizations, and protect resources against distributed DDoS attacks. In this blog […]

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Use AWS Firewall Manager to deploy protection at scale in AWS Organizations

Security teams that are responsible for securing workloads in hundreds of Amazon Web Services (AWS) accounts in different organizational units aim for a consistent approach across AWS Organizations. Key goals include enforcing preventative measures to mitigate known security issues, having a central approach for notifying the SecOps team about potential distributed denial of service (DDoS) […]

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How to add authentication to a single-page web application with Amazon Cognito OAuth2 implementation

In this post, I’ll be showing you how to configure Amazon Cognito as an OpenID provider (OP) with a single-page web application. This use case describes using Amazon Cognito to integrate with an existing authorization system following the OpenID Connect (OIDC) specification. OIDC is an identity layer on top of the OAuth 2.0 protocol to […]

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Architecting for database encryption on AWS

In this post, I review the options you have to protect your customer data when migrating or building new databases in Amazon Web Services (AWS). I focus on how you can support sensitive workloads in ways that help you maintain compliance and regulatory obligations, and meet security objectives. Understanding transparent data encryption I commonly see […]

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AWS Firewall Manager helps automate security group management: 3 scenarios

In this post, we walk you through scenarios that use AWS Firewall Manager to centrally manage security groups across your AWS Organizations implementation. Firewall Manager is a security management tool that helps you centralize, configure, and maintain AWS WAF rules, AWS Shield Advanced protections, and Amazon Virtual Private Cloud (Amazon VPC) security groups across AWS […]

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Isolating network access to your AWS Cloud9 environments

In this post, I show you how to create isolated AWS Cloud9 environments for your developers without requiring ingress (inbound) access from the internet. I also walk you through optional steps to further isolate your AWS Cloud9 environment by removing egress (outbound) access. Until recently, AWS Cloud9 required you to allow ingress Secure Shell (SSH) […]

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How to add DNS filtering to your NAT instance with Squid

September 23, 2020: The squid configuration file in this blog post and associated YAML template have been updated. September 4, 2019: We’ve updated this blog post, initially published on January 26, 2016. Major changes include: support of Amazon Linux 2, no longer having to compile Squid 3.5, and a high availability version of the solution […]

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On-Demand SCIM provisioning of Azure AD to AWS SSO with PowerShell

In this post, I will demonstrate how you can use a PowerShell script to initiate an on-demand synchronization between Azure Active Directory and AWS Single Sign-On (AWS SSO) and avoid the default 40-minute synchronization schedule between both identity providers. This solution helps enterprises quickly synchronize changes made to users, groups, or permissions within Azure AD […]

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Role-based access control using Amazon Cognito and an external identity provider

Amazon Cognito simplifies the development process by helping you manage identities for your customer-facing applications. As your application grows, some of your enterprise customers may ask you to integrate with their own Identity Provider (IdP) so that their users can sign-on to your app using their company’s identity, and have role-based access-control (RBAC) based on […]

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