Since new ways to gain access to computerized systems without proper authorization are constantly being developed and distributed, companies must keep up with the technology available to them to increase their security and to minimize possible problems caused by hackers. In today's competitive market, companies must rely on accurate information in order to make good business decisions. E-commerce businesses should to check the integrity of the information they receive and verify the sender's identity. Corporations also want to make sure that the information sent and received electronically is not captured by third parities while in the transmission process. The use of cryptography, a method of transforming information into an unreadable form so that the information will not be stolen before it reaches the intended recipient.
Encryption is one of the best techniques to maintain the confidentiality of messages.
Hashing ensures that the message has not been altered with during transmission. Digital signatures helps to documents the contents of a message and the original sender. Confirmation services is one technique that would help to verify the receipt of a message. As corporations attempt to cut down on the unauthorized usage of their electronic resources, they have been monitoring the email accounts of employees to check their compliance with company policies. Employees have several alternatives available when trying to prevent their companies from intercepting their email.