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CIS 105 Survey of Computer Information Systems

CIS 105 Survey of Computer Information Systems. Essential Concepts and Terminology Study Unit 11. Identity Theft. . Fraudulent use of another person's identifying information, commonly to establish a credit card account. . Privacy. .

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CIS 105 Survey of Computer Information Systems

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  1. CIS 105Survey of Computer Information Systems Essential Concepts and Terminology Study Unit 11

  2. Identity Theft. • Fraudulent use of another person's identifying information, commonly to establish a credit card account.

  3. Privacy. • In the electronic media context, the ability to restrict or eliminate the collection, use , and sale of personal and confidential information. In the jurisprudence context, the right to be left alone.

  4. Encryption. • The process of coding information so that it can only be understood by the intended recipient.

  5. Defamation. • Injury to another person's reputation by means of false and malicious statements.

  6. Libel. • A false or malicious written or printed statement, or any symbolic representation exposing a person to public defamation.

  7. Cookie. • A file written from a Web server to a client computer's hard disk, usually to record and provide information about the user for future browsing interactions.

  8. Encryption Algorithm. • The step-by-step method for encrypting and decrypting a message.

  9. Symmetric Encryption. • Use of the same cipher key for both encryption and decryption.

  10. Data Encryption Standard (DES). • A commonly-used, symmetric key encryption system developed by United States security agencies.

  11. Strong Encryption. • Encryption methods that are very difficult or impossible to break.

  12. Key Interception. • The theft of a decryption key, the major vulnerability of encryption.

  13. Public Key Encryption (PKE). • An encryption method using two keys, a public key to encrypt messages, and a private key to decrypt known only to the recipient.

  14. Computationally Intensive. • Processing that placed a heavy burden on the processing unit.

  15. Cryptoanalysis. • Techniques used to break codes.

  16. Key Length. • The length, in bits, of an encryption code. Key lengths of 128 bits are considered invulnerable to decryption.

  17. Digital Certificate. • A security method that validates an individual's identity.

  18. Digital Signature. • A technique used to determine if a message has been altered.

  19. Certificate Authority (CA). • A company that verifies the identity of individuals and issues digital certificates attesting to the veracity of identity.

  20. Pretty Good Privacy (PGP). • The most widely used digital signature and certificate system.

  21. End of Study Unit 11. Return to first slide Move to Study Unit 12 CIS 105 Home Page

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