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Internet security refers to the set of technologies, practices, policies, and procedures used to protect computers, networks, digital devices, online services, and information from unauthorized access, misuse, alteration, theft, or destruction. It is an important component of Information and Communication Technologies because individuals, organizations, educational institutions, businesses, and governments increasingly depend on the Internet for communication, transactions, data storage, and service delivery. Internet security aims to ensure confidentiality, integrity, availability, authentication, and non-repudiation of information exchanged through online networks. Various mechanisms are used to provide Internet security. Important mechanisms include firewalls, antivirus and anti-malware software, encryption, authentication, digital signatures, digital certificates, secure communication protocols such as HTTPS and SSL/TLS, intrusion detection and prevention systems, access control, virtual private networks (VPNs), secure passwords, multi-factor authentication, data backup, and security policies. Regular software updates, vulnerability assessment, network monitoring, and user ____ ____ ____ __________ ______ _______ ________ _____ ________ ____.
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