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Password fatigue is the feeling experienced by many people who are required to remember an excessive number of passwords as part of their daily routine, such as to logon to a computer at work, undo a bicycle lock or conduct banking from an automated teller machine (ATM). The concept is also known as password chaos or more broadly as identity chaos.〔("Password chaos" ) at TheFreeDictionary〕 ==Causes== The increasing prominence of information technology and the Internet in employment, finance, recreation and other aspects of people's lives, and the ensuing introduction of secure transaction technology, has led to people accumulating a proliferation of accounts and passwords. According to a 2002 survey of British online-security consultant NTA Monitor, the typical intensive computer user has 21 accounts that require a password.〔Hayday, Graham. (Security nightmare: How do you maintain 21 different passwords? ), Silicon.com, 2002-12-11 〕 Some factors causing password fatigue are: * unexpected demands that a user create a new password * unexpected demands that a user create a new password that uses particular pattern of letters, digits, and special characters * demand that the user type the new password twice * frequent and unexpected demands for the user to re-enter their password throughout the day as they surf to different parts of an intranet * blind typing, both when responding to a password prompt and when setting a new password. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Password fatigue」の詳細全文を読む スポンサード リンク
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