A method of protecting personal information on the Internet, and an
apparatus thereof are provided. The method includes: sensing transmission
through the Internet of personal information of a user; detecting
information on a website that is the destination of the sensed
transmission of the personal information; comparing information on the
detected website with a personal information protection policy; and
permitting or blocking the transmission of the personal information
according to the comparison result. According to the method, in order to
minimize leakage of personal information from a website, when user
information is input to the website, providing of the personal
information is controlled based on information on whether or not the
website is reliable in terms of personal information protection such that
providing of the personal information to a dangerous website can be
prevented, and possible damage by leakage of personal information can be
prevented in advance. Also, in order to prevent phishing, that is,
obtaining user's personal information through a fake website having an
appearance similar to a famous website, the method helps the user
identify a fake website such that possibility of phishing can be
minimized.