Games
A Game is an item of entertainment software that provides enjoyment for the user but does not benefit the Organization. It can be ill-advised to allow games onto an organization system, especially those which allow a number of players to take part simultaneously through network connections. Networks have been brought almost to a halt by the sheer volume of traffic generated by staff playing games such as MUD (the Multi-User Dungeon game) and DOOM. There are exceptions. Some 'games' have a useful training element and can be used to simulate real situations, for example Air Traffic Control simulations have been used to gauge users' ability to handle multiple variables and make decisions under pressure. Others have been designed specifically for training or assessment of abilities in business-specific situations, such as a Dealing Game for prospective Foreign Exchange traders. Organization policy should state the organization's position regarding game software. Policy-makers would be well advised to restrict the use of games software to specific machines, not connected to the main system, for example computers in the Training Centre or in a staff recreation area.

Guest
An occasional user of system who does not have a personal/ unique user ID and password but logs on infrequently as 'Guest'. This practice is quite common in offices where staff usually work in other locations and only log on as guests to the main system when in the base office. Guest passwords may also be granted to persons temporarily associated with the organization, such as short term temporary staff, students, trainees, etc. Since they are often not specific to a named individual, Guest passwords should normally allow only minimal access rights. 'Guests' are also commonly known as 'Visitors'.