How watermarking secures e-learning system

Beside all technical and nontechnical issues that e-learning has it seem the security issues are the major concern. The security issues can be breakdown to Confidentiality, Integrity and Availability (CIA). These issues provide reliable e-learning system to raise user satisfaction. One of the issues to implement CIA on e-learning system is content security. Watermarking is a method to provide authentication and copyright protection on e-learning content to avoid of any tampering or changes on contents. This paper proposed two watermarks on content to provide authentication.