The following outline is provided as an overview of and topical guide to computer security: Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data, as well as from the disruption or misdirection of the services they provide.
The significance of the field stems from the expanded reliance on computer systems, the Internet, and wireless network standards.
Cybersecurity has emerged as one of the most significant new challenges facing the contemporary world, due to both the complexity of information systems and the societies they support.
Computer security can be described as all of the following: Methods of Computer Network Attack and Computer Network Exploitation Social engineering is a frequent method of attack, and can take the form of phishing, or spear phishing in the corporate or government world, as well as counterfeit websites.
The major purposes of Internet police, depending on the state, are fighting cybercrime, as well as censorship, propaganda, and monitoring and manipulating the online public opinion.