Digital refers to the practice of downloading and distributing copyrighted contents such as music, video, software, and e-book without permission. It is a fact of life for book publishing industry, entertainment industry, movie industry, television sector, film industry, etc. Piracy is regarded as a crime. Not only does piracy hurts and cause economic loss to these companies, it also inhibits incentive to keep creating. Unfortunately, there is no “silver bullet” solution to the problem of digital piracy. This paper provides an introduction to digital piracy.