Widespread Internet access is making it possible for governments around the world to move information and services online, providing substantial savings in cost, time, and labor. By letting citizens interact with the government from their own computer rather than in person, e-government also enhances quality of service and accessibility. However, economy and convenience must be traded off against security. Online systems are vulnerable to hackers, and the government has an obligation to prevent the unauthorized disclosure of personal information as well as prevent forgery and alteration of official documents