Information Security Essay example

4073 Words Dec 6th, 2013 17 Pages
Information security means protecting information and information systems from unauthorized access, use, disclosure, modification or destruction.
Since the early days of writing, heads of state and military commanders understood that it was necessary to provide some mechanism to protect the confidentiality of written correspondence and to have some means of detecting tampering.
For over twenty years, information security has held confidentiality, integrity and availability as the core principles of information security.
Confidentiality is the term used to prevent the disclosure of information to unauthorized individuals or systems. Confidentiality is necessary (but not sufficient) for maintaining the privacy of the people whose personal
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Для информационной безопасности используется криптография, чтобы преобразовывать понятную нам информацию в нечитаемую для всех кроме уполномоченного пользователя форму; этот процесс называют кодированием.

Information security
Information security means protecting information and information systems from unauthorized access, use, disclosure, modification or destruction.
The terms information security, computer security and information assurance are frequently incorrectly used interchangeably. These fields are interrelated often and share the common goals of protecting the confidentiality, integrity and availability of information; however, there are some subtle differences between them.
Governments, military, corporations, financial institutions, hospitals, and private businesses amass a great deal of confidential information about their employees, customers, products, research, and financial status. Most of this information is collected, processed and stored on electronic computers and transmitted across networks to other computers.
Should confidential information about a business' customers or finances or new product line fall into the hands of a competitor, such a breach of security could lead to lost business, law suits or even bankruptcy of the business. Protecting confidential information is a business requirement, and in many cases also an ethical and legal requirement.
For the individual, information

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