Top Firewall Misconfigurations that Lead to Easy Exploitations by Attackers

## Executive Summary This blog post explains AWS network fundamentals (VPCs, security groups, network ACLs, NAT gateways) and highlights common misconfigurations that increase exposure—such as overly permissive security group rules and unintentionally internet-facing VPCs—while recommending defenses like least privilege, network ingress/egress controls, and continuous monitoring with CloudWatch, VPC Flow Logs, and CloudTrail.