Definitions
Privacy screen
“Privacy Screen or Filter” refers to a plastic screen, placed over the screens of computers or other portable devices so that only someone looking directly at the screen (you) can see the information on the screen. Shoulder surfers cannot view the information from either side of the authorized user because the filtered screen appears too dark for information to be readable.
Shoulder surfer
“Shoulder surfer” refers to someone looking over a user’s shoulders – literally or figuratively – that is, using direct observation to access information. Shoulder surfers can use their naked eyes or cameras to record users entering passwords or viewing information.
Directive
Users must lock computer screens when devices are unattended.
Users who view sensitive data should also secure computer screens from unauthorized viewing when their devices are in use. This includes ensuring that screens are cleared or left blank when not actively in use and positioning screens so they are not visible to passers-by and onlookers.
Purpose
The purpose of this Directive is to ensure that unauthorized users: • Cannot access or view confidential data displayed on computer screens; and • Cannot access confidential data housed in computer systems but not immediately visible on computer screens. The purpose of the System & Communications Protection Directive is to provide a standardized approach for Monitoring, controlling, and protecting GNB communications networks to promote effective information security.
