Recently, digital crimes abusing artificial intelligence (AI) technology have been raised as a social problem. Advances in technology are changing the nature of crime. In particular, in order to deal with this phenomenon as deepfake crimes become rampant, the Special Act on the Punishment of Sexual Violence Crimes, etc. on October 16, 2024, requires the purpose of distributing, etc., in the punishment provisions for synthesis, editing, processing, etc. By deleting the purpose crime provision, the punishment for editing deepfake pornography for the purpose of distribution, etc. has been expanded to include punishment even in cases where there is no purpose such as distribution. New regulations have been established to punish not only creators of deepfake pornography, but also those who possess, purchase, store, and view the content. The scope of application has been expanded in that possession is also punished, and punishment for producers of deepfake pornography has been significantly strengthened. Additionally, the Act on Sexual Protection of Children and Adolescents is actively responding to deepfake crimes. In addition, deepfake election crimes, defake copyright infringement, and criminal legal issues are problematic. In this study, we examine the functions and social risks of deepfake and seek countermeasures according to the reality of digital crimes using deepfake technology.