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A few years ago, attending AWS re:Invent felt like a distant dream - something only the “real pros” got to experience. I remember seeing posts online, watching keynotes late at night, thinking: Maybe one day, maybe… Well, that day finally arrived. In 2025, I found myself in Las Vegas, badge around my neck, surrounded by tens of thousands of builders, creators, architects, and dreamers. My first re:Invent wasn’t just a tech conference - it was an emotional, inspiring journey that exceeded everything I imagined....

This script is designed to check for inactive IAM (Identity and Access Management) users within a specified AWS account. It utilizes the AWS SDK for Python (Boto3) to retrieve user data and provides information about the last console access and last programmatic access for each user. Code """ AWS IAM User Inactivity Checker Author: Mario Lechończak (mario at lechonczak.pl) """ import csv import sys from datetime import datetime import boto3 import pytz # Define variable max_date = sys....

On 16 June 2025, AWS announced a new enhancement to AWS Network Firewall: native integration with AWS Transit Gateway. Initially, this feature was supported in a few regions, but as of 8 July, it became available across all AWS regions. What does the native integration do? Previously, connecting AWS Network Firewall to AWS Transit Gateway required creating and managing a dedicated VPC with subnets and route tables. With native integration, you can now directly attach your Network Firewall to your Transit Gateway, eliminating the need for additional VPCs or complex routing configurations....