It seems as if the next era is going to be entirely paperless offices, businesses, organizations, and government transactions. The concepts of e-governance, e-commerce, e-business, e-learning, and digital libraries are already in place and are evolving across poles. It also brings various threats like illegal copying, illegal redistribution of copyrighted software, tampering, forgery, and authentication. Problems of plagiarism are also arising globally. Security such as authenticity, integrity, confidentiality, and copyright protection is urgently needed. All these problems can be solved by software watermarking methods which are efficient enough to identify the original copyright owner(s) of the contents such as an image, plain text, audio, a video, software codes, or a combination of all