AWS Security Blog

Tag: Security groups

How to Visualize and Refine Your Network’s Security by Adding Security Group IDs to Your VPC Flow Logs

Note from July 11, 2017: In response to readers’ feedback, the author of this blog post has updated this post’s example code to provide more reliable handling of error scenarios, particularly in which the geographical lookup fails. Additionally, the author has added details about testing the example code by using Amazon Kinesis Data Generator. If you already […]

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How to Monitor AWS Account Configuration Changes and API Calls to Amazon EC2 Security Groups

You can use AWS security controls to detect and mitigate risks to your AWS resources. The purpose of each security control is defined by its control objective. For example, the control objective of an Amazon VPC security group is to permit only designated traffic to enter or leave a network interface. Let’s say you have […]

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How to Optimize and Visualize Your Security Groups

Note: On May 3, 2017, we published a related blog post also written by Guy Denney, How to Visualize and Refine Your Network’s Security by Adding Security Group IDs to Your VPC Flow Logs. Many organizations start their journey with AWS by experimenting with existing applications. Those experiments may include trying to move an application to […]

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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 Help Prepare for DDoS Attacks by Reducing Your Attack Surface

Distributed denial of service (DDoS) attacks are sometimes used by malicious actors in an attempt to flood a network, system, or application with more traffic, connections, or requests than it can handle. Not surprisingly, customers often ask us how we can help them protect their applications against these types of attacks. To help you optimize […]

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