Web Application Security Best Practices in the Cloud Era

Application security must be part of the development lifecycle from day one (Security by Design), not an afterthought at the end of a project.

Using prepared statements to prevent SQL Injection, strict Content Security Policy (CSP) against XSS, and CSRF token validation on every state change are mandatory foundations.

Beyond code-level defenses, isolated server configurations, regular patching, and active log monitoring ensure systems remain resilient against emerging threats.