The Open Web Application Security Project (OWASP) is a not-for-profit organisation that aims, through community-led open-source projects, to improve the security of web-based software. OWASP develop and manage a public framework that documents the top 10 risks to application security, the OWASP Top 10. It provides developers and security professionals with the industry’s consensus on the most significant risks to web applications and recommends security controls to mitigate them.

HTTP/3 is the third and upcoming major version of the Hypertext Transfer Protocol (HTTP) used across the web.HTTP has been the main protocol on the internet since the 1990s, with the second release (HTTP/2) introduced in 2015 as a major update with many new features. Whilst request methods and status codes will remain the same, HTTP/3 makes a departure from its predecessors by not using the Transport Control Protocol (TCP) as the underlying transport layer.