AWS Cloud Operations & Migrations Blog

Tag: VPC Flow Logs

Improve security by analyzing VPC flow logs with Amazon CloudWatch Contributor Insights

You can use rules in Amazon CloudWatch Contributor Insights to gain security visibility into your VPC flow logs. The rules analyze flow logs in targeted groups in Amazon CloudWatch Logs and display the Top-N contributors for a given log field or combination of log fields. In this post, I’ll show you how to set up CloudWatch Contributor Insight rules for VPC flow logs. I’ll demonstrate how to:

Map the VPC flow log format to rules in Contributor Insights.
Explain how a single rule can be used to monitor many VPC flow logs.
Walk through some sample rules and show them in a CloudWatch dashboard.

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