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Short Message Service (SMS) has grown in popularity over the years and it has become a common way of communication. SMS is usually used to transport unclassified information, but with the rise of mobile commerce it has become a popular tool for transmitting sensitive information between the business and its clients. By default SMS does not guarantee confidentiality and integrity to the message content. Therefore, SMS is not totally secure and reliable. The Short Messaging Service (SMS) is global wireless service that is used to send and receive the messages over Global System for Mobile Communication (GSM).
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