The Open Web Application Security Project (OWASP) is a nonprofit organization focused on improving the security of software. It provides resources, tools, and guidelines to help developers and organizations create secure applications. OWASP is known for its community-driven approach, encouraging collaboration among security professionals and developers. One of OWASP's most recognized projects is the OWASP Top Ten, which lists the most critical security risks to web applications. This list serves as a valuable resource for developers and security teams, helping them prioritize their efforts to mitigate vulnerabilities and enhance overall application security.