FIELD: network communication technology.
SUBSTANCE: method comprises the steps where: storing a plurality of pieces of biometric information in the memory of an electronic device, displaying on the electronic device a blocking screen representing the categories of biometric information for a plurality of fragments of biometric information stored in the memory of the electronic device; take a choice of category from the categories of biometric information presented on the lock screen; based on the selected category, which is the first category from the categories of biometric information, displaying on the electronic device the first instruction associated with the first category and obtaining the first introduced biometric information, that is corresponding to the first category, from the first user input, guided by the first instruction.
EFFECT: improve data security.
29 cl, 103 dwg
