CIW Lesson 8 Vocab

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Anti-Virus Software

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Software that scans disks and programs for known viruses and eliminates them.

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Asymmetric Encryption

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Software that scans disks and programs for known viruses and eliminates them.

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Authentication

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Verifying a user's identity or the integrity of transmitted data.

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Decryption

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Converting encrypted data back to its original form.

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Digital Certificate

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A password-protected, encrypted data file containing message encryption, user identification, and message text. Used to authenticate a program or a sender's public key, or to initiate SSL sessions. Must be signed by a certificate authority (CA) to be valid.

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Digital Signature

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An electronic stamp that uniquely identifies a message's source and verifies its contents.

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Encryption

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A security technique that prevents access to information by converting it into a scrambled (unreadable) form.

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Fire Wall

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A security barrier controlling information flow between the Internet and a private network, preventing outsiders from accessing an enterprise's internal network.

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Hash: A number generated by an algorithm from a text string (message digest).

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A number generated by an algorithm from a text string. Also known as a message digest.

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Hash Encryption

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An encryption method using hashes to verify the integrity of transmitted messages; known as one-way encryption.