Application of Digital Watermarking Using Plugins to Prevent Leaking of E-Documents from Internal Networks
Chao Chen, Sun Guang-ling · 2008
With the rapid development of information technology,a large number of confidential e-documents are stored in computers,which are prone to leakage due mainly to negligence.Surveys show that up to 90% of the companies face severe financial risks because of data loss.This paper proposes a scheme to prevent e-documents from accidental leaking.This is achieved by embedding watermarks into confidential e-documents.For Microsoft Word files,the watermarks are embedded using specially designed plugins.Confidential documents that carry watermarks are intercepted at the gateway by a watermark detector implemented either with software or hardware.