A graphical user interface (GUI) is a type of user interface which allows people to interact with electronic devices such as computers; hand-held devices such as MP3 Players, Portable Media Players or Gaming devices; household appliances and office equipment. Which of the following will allow a technician to restrict a user accessing to the GUI?
A security specialist has downloaded a free security software tool from a trusted industry site. The source has published the MD5 hash values for the executable program. The specialist performs a successful virus scan on the download but the MD5 hash is different. Which of the following steps should the specialist take?