Introduction to Network Security

Information security is the process of securing information data from unauthorized access, use, modification, tempering, or disclosure. With the increased use of electronics media in our personal lives as well as businesses, the possibility of security breach and its major impact has increased. The theft of personal identity, credit card information, and other important data using hacked user names and passwords have become common these days. In addition, the theft of confidential business data may lead to loss of business for commercial organizations.