cryptography and network security
Cryptography is the study of secure communications techniques that allow only the sender and intended recipient of a message to view its contents. ... When transmitting electronic data, the most common use of cryptography is to encrypt and decrypt email and other plain-text messages.
Computer network security consists of measures taken by business or some organizations to monitor and prevent unauthorized access from the outside attackers.
Different approaches to computer network security management have different requirements depending on the size of the computer network. For example, a home office requires basic network security while large businesses require high maintenance to prevent the network from malicious attacks.
Network Administrator controls access to the data and software on the network. A network administrator assigns the user ID and password to the authorized person.
what is http?
what is DNS?
what is cookie hijacking?
what is session hijacking attack?
what is sam origin policy?
what is cross site request frogery?
what is cross site scripting attack?
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