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Integrity - E-Commerce - Lecture Slides, Slides of Fundamentals of E-Commerce

Birla Institute of Technology and Science Fundamentals of E-Commerce

Students of Computer Science, study E-Commerce as an auxiliary subject. these are the key points discussed in these Lecture Slides of E-Commerce : Integrity, Creation, Values, Data Integrity, Detects, During Transmission, Attack, Modification, Unauthorised Disclosure, Attribution

Typology: Slides

2012/2013

Uploaded on 07/29/2013

masti 🇮🇳

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Integrity

Refers to the unauthorized changing of creation

of values of data within the system.

Data Integrity detects whether the data has been

modified during transmission. Such modification

may be the result of an attack or a transmission

error ( corruption).

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Integrity ^ Refers to the unauthorized changing of creationof values of data within the system. ^ Data Integrity detects whether the data has beenmodified during transmission. Such modificationmay be the result of an attack or a transmissionerror ( corruption).

Integrity (cont.) ^ There are legal concerns regarding^ ^ Anonymity of source^ ^ Ease of reproduction^ ^ Detection of alteration^ ^ Unauthorised disclosure^ ^ attribution

Types of Security ^ Technical Countermeasures ^ Non-Technical Countermeasures^ ^ Physical^ ^ Procedural

A Balanced Approach to Security^ SecurityPolicies &ConsciousProcedurePeople

NetworkSecurityControlsSoftware Threats^

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Passwords ^ computer system is password protected^ ^ Make passwords as meaningless aspossible^ ^ No real words (forward or backwards)^ ^ Mixture of letters and numbers^ ^ Change passwords regularly^ ^ Never divulge passwords to anyone

Encryption ^ Encryption technology ensures that messagescannot be intercepted or read by anyone otherthan the authorized recipient. ^ Encryption is usually deployed to protect datathat is transported over a public network such asthe^ Internet^ and

uses^ advance^

mathematical algorithms^ to^ ‘scramble’

messages^ and^

their attachments.

Cryptography ^ It is the practical art of converting messages or data intoa different form, such that no-one can read them withouthaving access to the 'key'. ^ The message may be converted using a 'code' (in whichcase each character or group of characters issubstituted by an alternative one), or a 'cypher' or'cipher' (in which case the message as a whole isconverted, rather than individual characters). ^ Cryptanalysis is the science of 'breaking' or 'cracking'encryption schemes, i.e. discovering the decryption key.