Unit-1 - Network Security 1 Attacks, Services and...

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1 Network Security Network Security
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2 Attacks, Services and Attacks, Services and Mechanisms Mechanisms Security Attack:   Any action that compromises the  security of information. Security Mechanism:   A mechanism that is designed  to detect, prevent, or recover from a security attack. Security Service:   A service that enhances the security  of data processing systems and information transfers.  A  security service makes use of one or more security mechanisms.
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3 Security Attacks Security Attacks
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4 Security Attacks Security Attacks Interruption:  This is an attack on availability Interception:  This is an attack on  confidentiality Modification:  This is an attack on integrity Fabrication:  This is an attack on authenticity
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5 Security Goals Security Goals Integrity Confidentiality Avalaibility
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6
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7 Security Services Security Services Confidentiality (privacy) Authentication (who created or sent the data)
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This note was uploaded on 02/23/2012 for the course CS 101 taught by Professor Martand during the Spring '10 term at Punjab Engineering College.

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Unit-1 - Network Security 1 Attacks, Services and...

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