A magnetic recording medium in which the medium noise is reduced and information can be recorded at a high SN level, and a method for producing the magnetic recording medium are provided. At least one of the photosensitive layer and the non-photosensitive layer contains an organic silver salt, a reducing agent, a compound represented by the Formula and a compound represented by the Formula. Before the data memory cells are read, data stored in the reference memory cell is sensed based on a present reference current. The sign on object operates to obtain and transmit a security token which authorizes access to the mainframe system, and the security token does not require the use of the cookie data.