A Survey on Shoulder Surfing Resistant Text Based Graphical Password Schemes

Data and PC security is upheld generally by passwords which are the guideline piece of the confirmation process. The most widely recognized PC confirmation technique is to utilize alphanumerical username and secret key which has critical downsides. To beat the vulnerabilities of customary routines, visual or graphical secret word plans have been created as could be expected under the circumstances elective answers for content based plan. A potential downside of graphical secret word plans is that they are more helpless against shoulder surfing than traditional alphanumeric content passwords. At the point when clients include their passwords in an open spot, they may be at danger of aggressors taking their watchword. An aggressor can catch a secret key by direct perception or by recording the singular's verification session. This is alluded to as shoulder surfing and is a known danger, of unique concern when confirming openly puts. In this paper we will show an overview on graphical secret key plans from 2005 till 2009 which are proposed to be safe against shoulder surfing assaults.