A computer program product that includes a computer useable storage medium to store a computer readable program for proximity-based authentication for managing personal data that, when executed on a computer, causes the computer to perform operations. The operations include receiving a request for personal data from a data access device, determining a first location corresponding to a location of the data access device, and determining a second location corresponding to a location of an authentication device. The operations also include transmitting the personal data to the data access device if the first location is within a threshold distance of the second location.