Let us first explain what threats there are to computers and what these threats affect. Many documents that are written on computers are made to be seen by only a few people. This is known as confidentiality. Exposure to these confidential documents could cause many adverse affects on the business leading to loss of competitive advantage to blackmail. “Crackers” often invade systems and disrupt data integrity by changing, adding or deleting data in databases or other applications. Finally, in regard to Internet servers and other servers there could

In the past decade, the world’s involvement with computers has exploded. With prices for memory becoming less expensive, and the power of processors increasing greatly. However, certain precautions must be made to protect information that is being created, stored and manipulated by computers. There are people in the communities all over the world, whether these communities include business or governments as well as single individuals looking to profit illegally, that want to hurt or disrupt business operations relating to computing. But, to protect information, users must have a basic understanding of how and why “crackers” invade systems and how to prevent this.

314159265358978 times 314159265358978. However, most people given the same materials could not calculate the square route of 3912571506419387090594828508241 which happens to be equal to the numbers used in the first equation. This is the basis for public key encryption. This becomes extremely difficult to decipher when there are hundreds of numbers involved. This is why it is widely used in the cryptographic world.

A more sophisticated way of encrypting data is known as public key encryption. This uses a set of two keys, a public key (that is published) and a private key (that is kept secret). The data is encrypted using the public key (that is known to everyone) and decrypted by the private key. Behind the scenes of this type of cryptography, the data is encrypted and decrypted using a set of mathematical algorithms. For example, given a certain amount of time, paper and a pencil, most people could calculate

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