Understanding risk and identifying the root cause of an issue in a timely manner is critical to businesses. Amazon Web Services (AWS) offers multiple security services that you can use together to perform more timely investigations and improve the mean time to remediate issues. In this blog post, you …

Externalized authorization for custom applications is a security approach where access control decisions are managed outside of the application logic. Instead of embedding authorization rules within the application’s code, these rules are defined as policies, which are evaluated by a separate system to make an authorization decision. This …

Website defacement occurs when threat actors gain unauthorized access to a website, most commonly a public website, and replace content on the site with their own messages. In this blog post, we show you how to detect website defacement, and then automate both defacement verification and your defacement response …

Many customers use Amazon Security Lake to automatically centralize security data from Amazon Web Services (AWS) environments, software as a service (SaaS) providers, on-premises workloads, and cloud sources into a purpose-built data lake in their AWS accounts. With Security Lake, customers can choose between native AWS security analytics tools …

In part 1, we discussed how to use Amazon SageMaker Studio to analyze time-series data in Amazon Security Lake to identify critical areas and prioritize efforts to help increase your security posture. Security Lake provides additional visibility into your environment by consolidating and normalizing security data from both AWS …

Containerization technologies such as Docker and orchestration solutions such as Amazon Elastic Container Service (Amazon ECS) are popular with customers due to their portability and scalability advantages. Container runtime monitoring is essential for customers to monitor the health, performance, and security of containers. AWS services such as Amazon GuardDuty …

AWS Security Hub is a cloud security posture management service that performs security best practice checks, aggregates security findings from Amazon Web Services (AWS) and third-party security services, and enables automated remediation. Most of the checks Security Hub performs on AWS resources happen as soon as there is a …

January 7, 2022: The blog post has been updated to include using Network ACL rules to block potential log4j-related outbound traffic. January 4, 2022: The blog post has been updated to suggest using WAF rules when correct HTTP Host Header FQDN value is not provided in the request. December …

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 risk of the vulnerability, how you can try to identify if you are susceptible to the issue, and then what …

At Amazon Web Services (AWS), security remains our top priority. As we addressed the Apache Log4j vulnerability this weekend, I’m pleased to note that our team created and released a hotpatch as an interim mitigation step. This tool may help you mitigate the risk when updating is not …

AWS Directory Service for Microsoft Active Directory (AWS Managed Microsoft AD), provides a fully managed service for Microsoft Active Directory (AD) in the AWS cloud. When you create your directory, AWS deploys two domain controllers in separate Availability Zones that are exclusively yours for high availability. For use cases …