Saturday, February 2, 2013

Basic Types of Attacks


Types of attacks:

Types of attack
Method followed
1.    Cipher text only
a)    Encryption Algorithm
b)Cipher text to be decoded

2.  Known plain text
a)Encryption Algorithm
b)Cipher text to be decoded
c)One or more plain text-cipher text pair with the secret key

Some Terminology:
·      Vulnerability:
It is the weakness in the security system like in procedures, design or implementation that might be exploited to cause harm or loss.
·       Attack:
Attack is an assault on system security that derives from an intelligent threat to violate security services and security policies of the system.
o  Threat:
A potential for violation of security which exist when there is a circumstance, capability, action or event that could breach security and cause harm is known as Threat.

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