Adopting the Shift Left approach has significantly changed how our team handles security in development by integrating security early in the software lifecycle, rather than waiting until the final testing phase. We now prioritize automated security testing during the design, coding, and build phases, using tools like SonarQube for static code analysis and OWASP Dependency-Check for vulnerability scanning. This proactive approach has allowed us to identify and fix vulnerabilities before they become critical issues, reducing the cost and complexity of remediation. By incorporating security gates in our CI/CD pipelines, security checks are automatically triggered with each code change, making security a continuous process rather than an afterthought. This shift has fostered a culture of shared responsibility, where development, security, and operations teams collaborate to ensure security is built into the product from the start, leading to higher-quality, more secure software with fewer vulnerabilities in production.