An account that does not have a specific, individual User ID associated but rather a more generic ID such as "guest". Such accounts are generally intended for temporary use by authorised visitors, must be kept to a minimum and must be restricted to captive accounts. Guideline A guideline is typically a collection of system specific or procedural specific "suggestions" for best practice. They are not requirements to be met, but are strongly recommended. Effective security policies make frequent references to standards and guidelines that exist within an organisation.