Top 10 app security problems and how to protect yourself

This is a developer-oriented guide that outlines the top 10 web application security issues—including injection flaws (SQL/NoSQL, XSS), SSRF, path traversal, XXE, insecure deserialization, command injection, LFI, prototype pollution, and open redirects—providing TL;DR impact notes, criteria for whether an application is affected, and practical remediation tips; the piece also promotes Aikido and its Runtime security engine as mitigation tools.