Cybersecurity (cyber security), or information technology security (IT security) is the protection of computer systems and networks from information disclosure, theft of, or damage to their hardware, software, or electronic data, as well as from the disruption or misdirection of the services they provide. The field has become of significance due to the expanded reliance on computer systems, the Internet, and wireless network standards such as Bluetooth and Wi-Fi, and due to the growth of smart devices, including smartphones, televisions, and the various devices that constitute the Internet of things (IoT). Cybersecurity is also one of the significant challenges in the contemporary world, due to the complexity of information systems, both in terms of political usage and technology. Its primary goal is to ensure the system's dependability, integrity, and data privacy.
Digital privacy can be defined under three sub-related categories: information privacy, communication privacy, and individual privacy Digital privacy has increasingly become a topic of interest as information and data shared over the social web have continued to become more and more commodified; social-media users are now considered unpaid 'digital labors', as one pays for 'free' e-services through the loss of their privacy.
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