Questions tagged [guardduty]

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Internal Server Error when uploading threat lists to AWS Guard Duty

I'm currently using CloudFormation Templates to automate uploading threat intelligence sets to AWS Guard Duty. After weeks of successful testing, I'm now getting internal server errors whenever I try ...
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GuardDuty tells me private instances are being probed by hosts on the internet

This is weird, I'm having some instances running in a private subnet. Those subnets are not exposed to the Internet directly, they don't have a public IP and all outgoing traffic is routed through a ...