Websense, Inc. is a provider of Web filtering and security, data loss prevention (DLP), and e-mail anti-spam and security solutions. The Company’s products and services protect organizations’ employees and critical business data from external Web-based and e-mail-based attacks, and from internal employee-generated threats, such as employee errors and malfeasance. Its portfolio of products allows customers to prevent access to undesirable and dangerous elements on the Web, identify and remove malicious applications from incoming Web traffic, prevent the unauthorized use and loss of sensitive data, filter spam out of incoming e-mail traffic, filter viruses and other malicious attachments from e-mail and instant messages, manage the use of non-Web Internet traffic, protect from spam and malware embedded in Web-based user-generated content and control misuse of an organization’s valuable computing resources. Its subsidiary is SurfControl plc.