Google is an identity provider which provides
email account. Email account is used for third-party service’s
registration. Nowadays, Google provides single sign on function.
This function enables Internet users, use only one authentication
process to obtain permission to access third-party’s services.
Single sign on process allows data sharing process from
respective account (Google’s Email) to the third-party. This
process increases the risk of personal data loss. This research
aims to determine the factors that affect Internet user’s intention
to use Google’s single sign on, by using SEM (Structural
Equation Modelling). In this research, there are 10 latent
variables with 30 indicators. Those variable latent are Trust,
Perceived Usefulness, Perceived Ease of Use, Behavioral
Intention of Use, Risk, Security, and Privacy (Second order using
IUIPC). This research collects 247 respondents, who have used
Google's single sign on, through online questionnaire. The results
shows, the factors that affect Internet user’s intention to use
Google’s single sign on are Perceived Usefulness and Risk.