Authentication techniques get more sophisticated as the computer industry matures. Here are some of the means employed to make sure users are who they say they are. From a cost and maintenance standpoint, typical user login procedures are the only truly viable means of authentication for many public entities. They are the simplest to implement and the easiest to maintain. On the other hand, they are also the easiest to crack.
Users can share their user names and passwords.
General Network Suggestions Implement an environment where users are required to log on to use computer resources. This provides a foundation from which suspicious activity can be traced. Install software to analyze user activities and system activity logs. Provide sufficient training to end-users. Especially be sure that users are aware of the dangers of not logging off their computers.