Viseca does not pass on any data to third parties for their own purposes, unless you have consented to it. However, your data may nevertheless be forwarded to third parties, such as mobile service providers or mobile device manufacturers, when you use the services of "one". Moreover, Viseca may outsource the provision of services to third parties. In this case, the third parties in question are contractually bound and legally required to keep the data confidential.
Furthermore, if you use the Masterpass facility, your data are transmitted through the IT network of the credit card company (MasterCard, Visa), as is usual when you use your credit card.