AWS Security Blog

Tag: Amazon GuardDuty

How to use Amazon GuardDuty and AWS WAF v2 to automatically block suspicious hosts

In this post, we’ll share an automation pattern that you can use to automatically detect and block suspicious hosts that are attempting to access your Amazon Web Services (AWS) resources. The automation will rely on Amazon GuardDuty to generate findings about the suspicious hosts, and then you can respond to those findings by programmatically updating […]

How to improve security incident investigations using Amazon Detective finding groups

Uncovering the root cause of an Amazon GuardDuty finding can be a complex task, requiring security operations center (SOC) analysts to collect a variety of logs, correlate information across logs, and determine the full scope of affected resources. Sometimes you need to do this type of in-depth analysis because investigating individual security findings in insolation […]

Three key security themes from AWS re:Invent 2022

AWS re:Invent returned to Las Vegas, Nevada, November 28 to December 2, 2022. After a virtual event in 2020 and a hybrid 2021 edition, spirits were high as over 51,000 in-person attendees returned to network and learn about the latest AWS innovations. Now in its 11th year, the conference featured 5 keynotes, 22 leadership sessions, […]

Automatically block suspicious DNS activity with Amazon GuardDuty and Route 53 Resolver DNS Firewall

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 […]

How to use new Amazon GuardDuty EKS Protection findings

If you run container workloads that use Amazon Elastic Kubernetes Service (Amazon EKS), Amazon GuardDuty now has added support that will help you better protect these workloads from potential threats. Amazon GuardDuty EKS Protection can help detect threats related to user and application activity that is captured in Kubernetes audit logs. Newly-added Kubernetes threat detections […]

Top 2021 AWS Security service launches security professionals should review – Part 1

Given the speed of Amazon Web Services (AWS) innovation, it can sometimes be challenging to keep up with AWS Security service and feature launches. To help you stay current, here’s an overview of some of the most important 2021 AWS Security launches that security professionals should be aware of. This is the first of two […]

Using AWS security services to protect against, detect, and respond to the Log4j vulnerability

April 21, 2022: The blog post has been updated to include information on the updated version of the hotpatch. See this security advisory for more details. Overview In this post we will provide guidance to help customers who are responding to the recently disclosed log4j vulnerability. This covers what you can do to limit the […]

Correlate security findings with AWS Security Hub and Amazon EventBridge

March 31, 2022: We updated the CloudFormation template, accessed via the Launch Stack link, in this blog post. In this blog post, we’ll walk you through deploying a solution to correlate specific AWS Security Hub findings from multiple AWS services that are related to a single AWS resource, which indicates an increased possibility that a […]

How to automate incident response to security events with AWS Systems Manager Incident Manager

Incident response is a core security capability for organizations to develop, and a core element in the AWS Cloud Adoption Framework (AWS CAF). Responding to security incidents quickly is important to minimize their impacts. Automating incident response helps you scale your capabilities, rapidly reduce the scope of compromised resources, and reduce repetitive work by your […]

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 […]