Captive portal is a web page that users of a publicly accessible network are required to interact with before gaining access to Internet services. It is common services across public spaces such as airports, hotels, and et cetera.
Captive Portal is wireless network authentication mechanism applicable in public spaces such as hotels, airports, bars, restaurants and so on places. The purpose of the portal is to authenticate and authorize guests to resources of wireless access points (WAP) of an organization. Moreover, the portal will require users to enter an access code and credentials before gaining access to services. Those who lack the access code will not be able to access network resources.
Captive portals may also pose security risks as well. Because, attackers will gain access to the network of an organization and launch further attack. Additionally, the crackers may install viruses, malwares and other security problems.