Big SIEM Energy at micro-SIEM cost

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Presented at BSidesLV 2023 by

What if you’ve got a major need to, well, manage security incidents and events in your AWS infrastructure but you’re just not feeling the GuardDuty vibes? There’s a million reasons why you may have specific security monitoring requirements that aren’t fulfilled with heavy-duty solutions. GuardDuty comes with an assortment of pre-built rules for detecting traditional threats to your infrastructure that are specifically tuned for AWS and the average usage of AWS, but what if that’s too much for your use cases or your budget? One-size-fits-all but rarely does it do so well. This talk will provide a detailed template for a micro-SIEM tuned to your specific needs, using cost effective AWS services such as EventBridge, CloudTrail, SNS, and ChatBot. Discover how to replicate this approach in your own environment or scale similar concepts to a CSP of your choice.