The issue focused on what would happen if an employee with the same name was hired at another company and had access to the same company's technology and data.

But it also raised questions around the extent to which data breaches could affect the privacy of the data, or even the data itself.

"This is not about a single data breach," said John Schulz, director of the Data Protection Institute at the University of British Columbia's Law School. "It's about what data can be used to protect