C#
A modern, object-oriented language which aims to combine the computing strength of C++ with the programming ease of Visual Basic, in order to quickly build a wide range of applications for the ASP.NET platform.
CMS
An acronym for Content Management System, which is software implemented as a web application, for creating and managing HTML content. A CMS is used to manage and control a large, dynamic collection of web material, and facilitates content creation, content control, editing, and essential web maintenance functions.
CMS software provides authoring (and other) tools designed to allow users with little knowledge of programming languages or markup languages to create and manage content with relative ease.
Cross-site request forgery
Also known as XSRF, a "one-click attack" or "session riding" and abbreviated as CSRF, cross-site request forgery is a type of malicious exploit of a website whereby unauthorized commands are transmitted from a user that the website trusts. Unlike cross-site scripting (XSS), which exploits the trust a user has for a particular site, XSRF exploits the trust that a site has in a user's browser.
Cross-site scripting
Also known as XSS, this is a web application security vulnerability that allows a third party to inject malicious code into web pages viewed by other users. Through this medium the third party can intercept cookies containing user details or plant malicious scripts to further affect the users.