Table 1. The classification of personal data.

Rating	Level of Personal Identification	Level of Infringement risk	List of Personal Data
1	High	High	Resident registration number, Alien registration number, Passport number, Driver’s license number, Credit card number, Bio information (face, iris, fingerprint, vein, etc.) [8] , Consultation details, Location information, IP information, Personal video information, System (homepage) usage details, etc.
2	General	High	Name, Address, Phone number, Mobile phone number, Email address, etc.
3	Low	High	Race information, Religion information, Military service, Social group activities, Health information, etc.
4	Low	Low	Pseudonymized Data, General information (no personal information)