challenge and password number system

  • 1Password — For other uses, see Password (disambiguation). A password is a secret word or string of characters that is used for authentication, to prove identity or gain access to a resource (example: an access code is a type of password). The password… …

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  • 2Challenge-response authentication — For the spam filtering technique, see Challenge response spam filtering. For other uses, see CRAM (disambiguation). In computer security, challenge response authentication is a family of protocols in which one party presents a question (… …

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  • 3Password cracking — is the process of recovering passwords from data that has been stored in or transmitted by a computer system. A common approach is to repeatedly try guesses for the password. The purpose of password cracking might be to help a user recover a… …

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  • 4Transaction authentication number — A Transaction authentication number or TAN is used by some online banking services as a form of single use passwords to authorize financial transactions. TANs are a second layer of security above and beyond the traditional single password… …

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  • 5information system — Introduction       an integrated set of components for collecting, storing, processing, and communicating information (information science). Business firms, other organizations, and individuals in contemporary society rely on information systems… …

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  • 6Distributed operating system — A distributed operating system is the logical aggregation of operating system software over a collection of independent, networked, communicating, and spatially disseminated computational nodes.[1] Individual system nodes each hold a discrete… …

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  • 7List of computing and IT abbreviations — This is a list of computing and IT acronyms and abbreviations. Contents: 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y …

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  • 8The Israel Lobby and U.S. Foreign Policy — infobox Book | name = The Israel Lobby and U.S. Foreign Policy orig title = translator = author = John Mearsheimer and Stephen Walt cover artist = country = United States language = English series = classification = Non fiction genre = Politics… …

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  • 9One-time password — A one time password (OTP) is a password that is valid for only one login session or transaction. OTPs avoid a number of shortcomings that are associated with traditional (static) passwords. The most important shortcoming that is addressed by OTPs …

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  • 10Chip's Challenge — Developer(s) Epyx Publisher(s) …

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