The person who complained to police had been trying to make a purchase on a website called Fazny but received error messages that the payment could not be processed.
A short time later, suspicious purchases appeared on the person's financial statements, police said.
The EPS cyber crimes investigation unit determined the complainant's information had been stolen at fazny.ca, which advertised on Facebook.
The site reportedly sold computer accessories but its images and product descriptions were copied from legitimate online retailers, police said.