Which project describes the HTTP response headers your application can use to increase security?

• A. The OWASP Secure Headers Project
• B. ISO/IEC 27034
• C. Web Services Security
• D. Build Security In

Answer: (A)

Focusing on HTTP response headers is about telling the browser how to handle content and what protections to enforce, such as preventing content sniffing, restricting framing, or enforcing secure transport. The OWASP Secure Headers Project specifically centers on these HTTP response headers and provides guidance on which headers to use and how to apply them properly. By adopting the headers recommended by this project—like Content-Security-Policy, Strict-Transport-Security, X-Content-Type-Options, and X-Frame-Options—you can materially reduce common browser-based risks such as XSS, MIME-type confusion, clickjacking, and mixed-content issues. The other options aren’t focused on browser-facing HTTP headers: ISO/IEC 27034 deals with security requirements and processes at a broader organizational level, Web Services Security targets message-level security for web services (SOAP/WS-Security), and Build Security In is about integrating security practices into the development lifecycle. So the project that best fits increasing security through HTTP response headers is the OWASP Secure Headers Project.