Introduction While building Lambda-based automation for patch management and security hardening, I frequently ran into a frustrating problem: some EC2 instances failed during software installation or SSM command execution. Usually the root cause was that the instance wasn’t a Managed Instance in SSM. An EC2 instance must be managed...
Introduction Imagine you're sitting in a room full of cloud architects and penetration testers, discussing the latest advancements in cloud security. The topic of the day is AWS's transition from Instance Metadata Service version 1 (IMDSv1) to version 2 (IMDSv2). A lot of people in the...
GuardDuty Unveiled 🧯 Before we dive into the nitty-gritty of runtime protection, let's take a moment to understand what AWS GuardDuty is all about. GuardDuty is like a vigilant digital sentry, constantly scanning your AWS environment for any signs of malicious activity. It uses intelligent threat detection algorithms, machine...
TL;DR If you see the error message $HOME not set as a result by setting up git as EC2 user data, change the configuration commands to git config --system instead of git config --global Introduction While preparing the article for the Instance Metadata Service (IMDS), I wanted to automate...
