AWS Security Blog

Tag: Amazon EC2

How to Configure Rate-Based Blacklisting with AWS WAF and AWS Lambda

Note from July 3, 2017: The solution in this post has been integrated into AWS WAF Security Automations, and AWS maintains up-to-date solution code in the companion GitHub repository.   One security challenge you may have faced is how to prevent your web servers from being flooded by unwanted requests, or scanning tools such as bots and […]

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How to Automatically Update Your Security Groups for Amazon CloudFront and AWS WAF by Using AWS Lambda

Updated: December 9, 2016 Amazon CloudFront can help you increase the performance of your web applications and significantly lower the latency of delivering content to your customers. Recently announced, AWS WAF (a web application firewall) gives you control over which traffic to allow or block by defining customizable web security rules. In conjunction with AWS WAF, […]

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How to Govern Your Application Deployments by Using Amazon EC2 Container Service and Docker

Governance among IT teams has become increasingly challenging, especially when dealing with application deployments that involve many different technologies. For example, consider the case of trying to collocate multiple applications on a shared operating system. Accidental conflicts can stem from the applications themselves, or the underlying libraries and network ports they rely on. The likelihood […]

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Remove Unnecessary Permissions in Your IAM Policies by Using Service Last Accessed Data

As a security best practice, AWS recommends writing AWS Identity and Access Management (IAM) policies that adhere to the principle of least privilege, which means granting only the permissions required to perform a specific task. However, verifying which permissions an application or user actually needs can be a challenge. To help you determine which permissions […]

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Use AWS Services to Adhere to Security Best Practices—Minus the Inordinate Time Investment

As security professionals, it is our job to be sure that our decisions adhere to best practices. Best practices, though, tend to be time consuming, which means we either don’t get around to following best practices, or we spend too much time on tedious, manual tasks. This blog post includes two examples where AWS services […]

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How to Migrate Your Microsoft Active Directory Users to Simple AD

AWS Directory Service allows you to create a standalone, highly available AWS-managed directory called Simple AD in a matter of minutes. With Simple AD, you can centrally manage user accounts and group memberships for Amazon EC2 instances joined to a domain. It also allows you to use a single set of credentials to log in […]

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How to Delegate Management of Multi-Factor Authentication to AWS IAM Users

Note from September 20, 2017: Based on customer feedback, we have moved the process outlined in this post to the official AWS documentation. AWS Identity and Access Management (IAM) has a list of best practices that you are encouraged to use. One of those best practices is to enable multi-factor authentication (MFA) for your AWS root […]

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