There is a significant data leak in the Netherlands, with numerous prominent companies affected, including VodafoneZiggo and NS, resulting in substantial exposure of customer data for millions of Dutch consumers. This incident highlights the importance of developers taking responsibility seriously to ensure scalability, maintainability, and security in their software systems. Common vulnerabilities such as cross-site scripting and SQL injection are still prevalent, emphasizing the need for education and awareness among developers to tackle these problems. Developers can take proactive measures to protect their applications by educating themselves on common vulnerabilities, using tooling to scan for security issues, correctly reviewing code, keeping dependencies up-to-date, refining build and release systems, monitoring applications, and collaborating with others to implement secure coding practices.