Data exchange between protected memory cards

There is provided a method for transferring data from a first memory card to a second memory card, each memory card allowing reading and/or writing access upon verification of an allocated credential. An exemplary method comprises providing the credentials allocated to the memory cards to a managing device. The exemplary method also comprises receiving in the managing device data from the first memory card and providing to the second memory card the credential allocated to the second memory card by the managing device. The exemplary method additionally comprises forwarding the data from the managing device to the second memory card and storing the data in the second memory card after having successfully verified said credential in the second memory card.