DNS spoofing also known as pharming attack. As we know, using the Domain Name System (DNS), people can identify...
Most ethical and legal issues in computer system are in the area of individual’s right to privacy versus the...
Phishing has become a big problem in recent times. In 2004, the estimated losses due to phishing were to...
Indeed, in practice, symmetric-key cryptography and asymmetric-key cryptography are combined to have a very efficient security solution. The way...
In Asymmetric key cryptography, each person has two keys i.e. Public key& Private key. The public key is known...
Rail fence cipher The rail-fence technique is an example of transposition technique. It uses a simple algorithm. Steps...
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