Category: Networking & Content Delivery

January 24, 2023: This post was republished to update the code, architecture, and narrative. September 9, 2021: The Amazon service has been renamed to Amazon OpenSearch Service. See details. In this post, we’ll show you how to deploy a solution in your Amazon Web Services (AWS) account that will provide a fully automated dashboard for […]

In this blog post, we’ll show you how to use Amazon Route 53 Resolver DNS Firewall to automatically respond to suspicious DNS queries that are detected by Amazon GuardDuty within your Amazon Web Services (AWS) environment. The Security Pillar of the AWS Well-Architected Framework includes incident response, stating that your organization should implement mechanisms to […]

More of our customers are adopting flexible work-from-home and remote work strategies that use virtual desktop solutions, such as Amazon WorkSpaces and Amazon AppStream 2.0, to deliver their user applications. Securing these workloads benefits from a layered approach, and this post focuses on protecting your users at the network level. Customers can now apply these […]

Securing east-west traffic in service meshes, such as AWS App Mesh, by using mutual Transport Layer Security (mTLS) adds an additional layer of defense beyond perimeter control. mTLS adds bidirectional peer-to-peer authentication on top of the one-way authentication in normal TLS. This is done by adding a client-side certificate during the TLS handshake, through which […]

September 12, 2022: This blog post has been updated to reflect the new name of AWS Single Sign-On (SSO) – AWS IAM Identity Center. Read more about the name change here. AWS Client VPN is a managed client-based VPN service that enables users to use an OpenVPN-based client to securely access their resources in Amazon […]

You can improve your organization’s security posture by enforcing access to Amazon Web Services (AWS) resources based on IP address and geolocation. For example, users in your organization might bring their own devices, which might require additional security authorization checks and posture assessment in order to comply with corporate security requirements. Enforcing access to AWS […]

Sep 6 2022: Amazon Cognito user pools now support native integration with AWS Web Application Firewall (WAF), with this native feature, you can enable WAF protection on the user pool without the need to create a proxy. The pattern described in this blog post is still valid and can be used in use cases where […]

In this post, I show you how to use Amazon EC2 Instance Connect to use Secure Shell (SSH) to securely access your Amazon Elastic Compute Cloud (Amazon EC2) instances running on private subnets within an Amazon Virtual Private Cloud (Amazon VPC). EC2 Instance Connect provides a simple and secure way to connect to your EC2 […]

April 25, 2023: We’ve updated this blog post to include more security learning resources. Many Amazon Web Services (AWS) customer workflows require ingesting sensitive and regulated data such as Payments Card Industry (PCI) data, personally identifiable information (PII), and protected health information (PHI). In this post, I’ll show you a method designed to protect sensitive […]

In this blog post, I show you how to improve the distributed denial of service (DDoS) resilience of your self-managed Domain Name System (DNS) service by using AWS Global Accelerator and AWS Shield Advanced. You can use those services to incorporate some of the techniques used by Amazon Route 53 to protect against DDoS attacks. […]