2020 Volume 70 Issue 5 Pages 224-230
The issues related to personal information protection have been drastically changed through the following stages: (1) progress of processing by computer, (2) development of the Internet, (3) spread of SNS and smartphones, (4) evolution of AI, (5) development of IoT and 5G technologies. Based on these alterations in the handling of personal information, this paper introduces the following: environmental transitions and legal system for the protection of personal information, overview of the personal information protection law, definition of personal information, differences between personal information protection and the right to privacy, past and future review of personal information protection system, new data protection framework between Japan and EU.