prevent the unauthorised reading, copying, modification or deletion of personal data during transfers of personal data or during the transportation of data media (transport control);
léamh neamhúdaraithe, cóipeáil neamhúdaraithe, leasú neamhúdaraithe nó scriosadh neamhúdaraithe sonraí pearsanta a chosc le linn aistrithe sonraí pearsanta nó le linn meán sonraí a iompar (rialú iompair);