IAM Role vs Resource Policy is one of the most misunderstood topics in AWS cross-account access. Let’s break it down with examples. Arjun, a new cloud engineer at a growing startup, just got a task: “Allow our app in Account A to…
Arjun, our go-to cloud enthusiast, had come a long way in his AWS learning journey. He had just wrapped his head around IAM users, roles, and permissions when he stumbled upon something intriguing: IAM Policy Conditions. “Wait… I can control when,…
AWS Service Control Policies (SCPs) are your first line of defense when managing multiple AWS accounts under an Organization. They define what actions are allowed or denied, helping you avoid misconfigurations and security risks before they happen. Arjun had just…
AWS Resource Control Policies (RCPs) are your organization’s last line of defense. Unlike IAM policies that operate at the account level, RCPs work from the top—inside AWS Organizations—giving you centralized, root-level control over what resources can and cannot be accessed.…
AWS Organizations is a powerful service that helps you manage multiple AWS accounts with ease and security. Whether you’re a startup growing fast or a large enterprise managing dozens of teams, AWS Organizations allows you to apply policies, control billing,…
AWS VPC is the foundation of networking in Amazon Web Services. Whether you’re just getting started or looking to level up your cloud skills, understanding how to build your own Virtual Private Cloud (VPC) is a must. In this blog,…
When working with Amazon VPC, understanding AWS Reserved IP Addresses is essential for efficient subnet planning and avoiding resource errors. When you create a subnet, AWS automatically reserves 5 IP addresses. But why does it do that? And how can…
In AWS, Route Table is like a Delivery App’s Map System Meet Arjun, a cloud engineer building “RideGo” — a ride-sharing app. His app runs on AWS and has two types of servers: He sets these up using subnets inside an AWS VPC (Virtual Private…
Imagine you live in a smart city—a city with flying cars, drones, self-driving taxis, and hyperloops. Now, imagine millions of people in that city want to move at the same time: If every road in the city was managed manually, with traffic…
Arjun just joined a fast-growing fintech startup as a Cloud Security Engineer. One of his first tasks: “Launch an EC2 instance and make sure only his IP can SSH into it. No exceptions.” He spun up an EC2 instance (Amazon Linux 2023),…
