What I like most about Amazon GuardDuty is that you can monitor your AWS accounts across, but you don't have to pay the additional cost. You can get all your CloudTrail VPC flow logs and DNS logs all in one, and then you get the monitoring with that. A lot of times, if you had a separate tool on-premise, you would have to set up your DNS logs, so usually, Amazon GuardDuty helps with all your additional networking requirements, so I utilize it for continuous monitoring because you can't detect anything if you're not monitoring, and the solution fills that gap. If you don't do anything else first, you can deploy your firewall, and then you've got your Route 53 DNS and DNSSEC, but then Amazon GuardDuty fills that, and then you have audit requirements in AU that says, "Hey, what are your additional logs?", so you can just say, "Hey, we utilize Amazon GuardDuty." You're getting your CloudTrail, your VPC flow logs, and all your DNS logs, and those are your additional logs right there, so the solution meets a lot of requirements. Now, everything comes with a cost, but I also like that the solution also provides threat response and remediation. It's a pretty good product. I've just used it more for log analysis and that's where the value is at, the niche value. Once you do threat detection, it goes into a lot of other integrations you need to implement, so threat detection is only good as the integration, as the user that knows the tools itself, and the architecture and how it's all set up and the rules that you set within that.
