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Overview Within Amazon Web Services (AWS), security groups act as the primary virtual firewall for resources like EC2 instances, controlling all inbound and outbound traffic. For convenience, AWS automatically creates a “default” security group for every Virtual Private Cloud (VPC). While this facilitates initial connectivity, relying on this default configuration for active workloads is a […]

Overview In Amazon Web Services (AWS), Security Groups act as essential stateful firewalls, controlling inbound and outbound network traffic for resources like EC2 instances. While they provide powerful tools for granular access control, a significant security risk often hides in plain sight: the default security group. Every Virtual Private Cloud (VPC) you create comes with […]

Overview Amazon Web Services (AWS) provides a massive catalog of EC2 instance types, each optimized for different workloads. While this flexibility enables innovation, it also creates significant governance challenges. Without clear policies, teams can inadvertently provision instances that are insecure, non-compliant, or excessively expensive, leading to budget overruns and an increased attack surface. Effective EC2 […]

Overview In the AWS cloud, the Amazon Machine Image (AMI) is the foundational template for every EC2 instance. It contains the operating system and initial software configuration, effectively setting the security posture for the entire workload from the moment of launch. If that foundation is compromised, outdated, or unauthorized, every subsequent security measure is built […]

Overview A core principle of cloud security is minimizing the attack surface. One of the most common and high-risk misconfigurations in AWS is the unnecessary assignment of public IP addresses to Elastic Compute Cloud (EC2) instances. This practice places internal resources—like application servers, worker nodes, and databases—directly on the public internet, making them discoverable and […]