VERFAHREN, SYSTEM UND COMPUTERPROGRAMMPRODUKT ZUR ZUGANGSKONTROLLE

An access control method in a computer system comprising the steps of: generating an image having first and second image elements, each of the image elements having associated an element type name and an image attribute, the image attribute including an attribute name and an attribute value; generating an access control question including an identifier of the first image element and the attribute name of the image attribute associated with the first image element; receiving an access control response; in response to a determination that the access control response corresponds to the attribute value of the image attribute associated with the first image element, providing access to a resource in the computer system.