ASP.NET ValidateRequest is a security mechanism designed to prevent cross-site scripting attacks in ASP.NET applications. It looks at data in the HTTP request parameters, and issues an error if it finds anything that is "suspicious". And, for the most...
Reading articles, browsing marketing materials, and listening to presentations about application security, you hear variations on a theme: "Input validation is absolutely critical to application security, and most application risks involve tainted input...