Introduction In modern web and cloud environments, not every security issue comes from complex exploits. In fact, many real-world breaches happen due to simple configuration mistakes. This is known as Security Misconfiguration — a silent but extremely dangerous vulnerability. What is Security Misconfiguration? Security Misconfiguration occurs when a system, server, application, or cloud service is not properly configured in a secure way. Even if the application code is secure, incorrect settings can expose sensitive data or even full system access. Why Does It Happen? Security misconfiguration usually occurs due to: Default Settings Left Unchanged Using default credentials like: admin/admin root/root Unused Services Still Active Exposed endpoints such as: /admin /debug unused ports or APIs Verbose Error Output Technical errors revealing: file paths database structure system information Missing Security Headers Lack of protections like: HSTS Content Security Policy (CSP) Cloud Storage M...