csce201-lect6.c

csce201-lect6.c - CSCE201 CSCE201 IntroductiontoInformation...

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CSCE 201 CSCE 201 Introduction to Information  Introduction to Information  Security  Security  Fall 2010 Fall 2010 Data Protection Data Protection
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CSCE 201 - Farkas 2 Reading assignments Reading assignments Required for this class: D. Cross, Data Protection and Recovery in Windows XP, http://technet.microsoft.com/en-us/library/bb457020.aspx M. Horowitz The Safest Way to Protect Sensitive Computing Files, August 24, 2009, http://www.esecurityplanet.com/views/article.php/3835861/art Wikipedia, Encryption, http://en.wikipedia.org/wiki/Encryption
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CSCE 201 - Farkas 3 Sensitive Files Must be protected from Hackers Other users What to protect and at what level security policy How to protect security policy
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CSCE 201 - Farkas 4 Security Mechanism Several alternatives Which one to choose? Level of assurance User’s preferences (familiarity, ease of use, recommendations, etc.) User’s technical knowledge Availability Financial considerations Etc.
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CSCE 201 - Farkas 5 Data Protection via Operating System Microsoft® Windows® XP provides many enhancements in the area of data protection Encrypting File System (EFS) Data Recovery Agents (DRA) Best Practices Note: EFS is only available on Windows XP Professional; it is not supported on Windows XP Home Edition
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What is Encryption? How secure it is? Can you decrypt the followings? HAY?OROWEU How are you? Hello
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CSCE 201 - Farkas 7 Insecure communications Sender Snooper Recipient Insecure channel Confidential
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CSCE 201 - Farkas 8 Terminology Plaintext ( cleartext) : a message in its original form Ciphertext ( cyphertext) : an encrypted message Encryption : transformation of a message to hide its meaning Cipher : cryptographic algorithm. A mathematical function used for encryption (encryption algorithm) and decryption (decryption algorithm).
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This note was uploaded on 12/13/2011 for the course CSCE 201 taught by Professor Staff during the Fall '10 term at South Carolina.

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csce201-lect6.c - CSCE201 CSCE201 IntroductiontoInformation...

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