According to the Office of the Privacy Commissioner of Canada (OPC) and the Dutch data authority College Bescherming Persoonsgegevens (CBP), the popular cross-platform messaging application WhatsApp violates privacy laws. A joint investigation between the two groups revealed that, with the exception of devices running iOS 6, the app requires access to a customer's address book in order to use the software. This stipulation results in non-user contact information being recorded to WhatsApp servers without permission, which
