Phone hacking is the practice of manipulating or gaining unauthorized access to mobile phones, such as by intercepting telephone calls or accessing voicemail messages. When the unauthorized access is to the phone user's conversation, it is more commonly referred to as phone tapping.
More and more users and businesses use smartphones to communicate, but also to plan and organize their users' work and also private life. Within companies, these technologies are causing profound changes in the organization of information systems and therefore they have become the source of new risks. Indeed, smartphones collect and compile an increasing amount of sensitive information to which access must be controlled to protect the privacy of the user and the intellectual property of the company.