"The art of ensuring the existence and continuity of the Information Society of a nation, guaranteeing and protecting, in Cyberspace, its information assets and critical infrastructure." (Claudia Canongia & Raphael Mandarino, "Cybersecurity: The New Challenge of the Information Society", 2012)
"The act of protecting technology, information, and networks from attacks." (Jason Williamson, "Getting a Big Data Job For Dummies", 2015)
"The practice of protecting computers and electronic communication systems as well as the associated information." (Weiss, "Auditing IT Infrastructures for Compliance" 2nd Ed., 2015)
"Cybersecurity deals with damage to, unauthorized use of, exploitation of electronic information and communications systems that ensure confidentiality, integrity and availability." (Sanjukta Pookulangara, "Cybersecurity: What Matters to Consumers - An Exploratory Study", 2016)
"Focuses on protecting computers, networks, programs and data from unintended or unauthorized access, change or destruction." (Kimberly Lukin, "Russian Cyberwarfare Taxonomy and Cybersecurity Contradictions between Russia and EU", 2016)
"The activity or process, ability or capability, or state whereby information and communications systems and the information contained therein are protected from and/or defended against damage, unauthorized use or modification, or exploitation." (Olivera Injac & Ramo Šendelj, "National Security Policy and Strategy and Cyber Security Risks", 2016)
"The ability to protect against the unauthorized use of electronic data and malicious activity. This electronic data can be personal customer information such as names, addresses, social security numbers, credit cards, and debit cards, to name a few." (Brittany Bullard, "Style and Statistics", 2016)
"A trustworthiness property concerned with the protection of systems from cyberattacks." (O Sami Saydjari, "Engineering Trustworthy Systems: Get Cybersecurity Design Right the First Time", 2018)
"Information security (infosec) but broadly referring to technology and human systems that are built around the secure exchange, storage, and management of information." (Shalin Hai-Jew, "Safe Distances: Online and RL Hyper-Personal Relationships as Potential Attack Surfaces", 2018)
"Is defined as the collection of tools, policies, security concepts, security safeguards, guidelines, risk management approaches, actions, training, best practices, assurance and technologies that can be used to protect the cyber environment, organization, and user assets." (Thokozani I Nzimakwe, "Government's Dynamic Approach to Addressing Challenges of Cybersecurity in South Africa", 2018)
"Protection against criminal access to one’s data and information and against criminal manipulation of computer networks/data/systems." (Shalin Hai-Jew, "Beware!: A Multimodal Analysis of Cautionary Tales in Strategic Cybersecurity Messaging Online", 2018)
"The collection of tools, policies, security concepts, security safeguards, guidelines, risk management approaches, actions, training, best practices, assurance, and technologies that can be used to protect the cyberspace environment and organization and users’ assets." (William Stallings, "Effective Cybersecurity: A Guide to Using Best Practices and Standards", 2018)
"The organization and collection of resources, processes, and structures used to protect cyberspace from occurrences that misalign de jure from de facto property rights." (Mika Westerlund et al, "A Three-Vector Approach to Blind Spots in Cybersecurity", 2018)
"A computing-based discipline involving technology, people, information, and processes to enable assured operations. It involves the creation, operation, analysis, and testing of secure computer systems. It is an interdisciplinary course of study, including aspects of law, policy, human factors, ethics, and risk management in the context of adversaries." (Matt Bishop et al, "Cybersecurity Curricular Guidelines", 2019)
"Acts taken, technologies created and deployed, policies written and enacted, to protect computer systems and networks against misuse, intrusion, and exploitation." (Shalin Hai-Jew, "The Electronic Hive Mind and Cybersecurity: Mass-Scale Human Cognitive Limits to Explain the “Weakest Link” in Cybersecurity", 2019)
"Also known as computer security or IT security, is the protection of computer systems from the theft or damage to the hardware, software or the information on them, as well as from disruption or misdirection of the services they provide." (Soraya Sedkaoui, "Big Data Analytics for Entrepreneurial Success", 2019)
"Includes process, procedures, technologies, and controls designed to protect systems, networks, and data." (Sandra Blanke et al, "How Can a Cybersecurity Student Become a Cybersecurity Professional and Succeed in a Cybersecurity Career?", 2019)
"The protection of computer systems from theft and damage to their assets and from manipulation and distraction of their services." (Viacheslav Izosimov & Martin Törngren, "Security Awareness in the Internet of Everything", 2019)
"The protection of internet-connected systems including hardware, software, and data from cyberattacks." (Semra Birgün & Zeynep Altan, "A Managerial Perspective for the Software Development Process: Achieving Software Product Quality by the Theory of Constraints", 2019)
"Cybersecurity is seen where security alerts and cyber-attacks are becoming more frequent and malicious, these threats include private access attempts and exploitation software or phishing, malware, web application attacks, and network penetration." (Theunis G Pelser & Garth Gaffley, "Implications of Digital Transformation on the Strategy Development Process for Business Leaders", 2020)
"Is the protection of internet-connected systems, including hardware, software and data, from cyberattacks. In a computing context, security comprises cybersecurity and physical security - both are used by enterprises to protect against unauthorized access to data centers and other computerized systems." (Alexander A Filatov, "Sovereign Bureaucrats vs. Global Tech Companies: Ethical and Regulatory Challenges", 2020)
"It is a general term which describes technologies, processes, methods, and practices for the purpose of protection of internet-connected information systems from attacks, i.e., cyberattacks. Cybersecurity can refer to security of data, software or hardware within information systems." (Ana Gavrovska & Andreja Samčović, "Intelligent Automation Using Machine and Deep Learning in Cybersecurity of Industrial IoT: CCTV Security and DDoS Attack Detection", 2020)
"Cybersecurity is an act to protect data, devices, applications, servers, network from the malicious attack through various tools and techniques. The process also ensures the confidentiality, integrity, availability, and non-repudiation of the content." (Shafali Agarwal, "Preserving Information Security Using Fractal-Based Cryptosystem", 2021)
"Cybersecurity refers to the set of technologies, processes, and practices designed to safeguard networks, devices, programs, and data from attack, threats, or unauthorized access." (Sanjeev Rao et al, "Online Social Networks Misuse, Cyber Crimes, and Counter Mechanisms", 2021)
"It is the organization and collection of resources, processes, and structures used to protect cyberspace from security events." (Carlos A M S Teles et al, "A Black-Box Framework for Malicious Traffic Detection in ICT Environments", Handbook of Research on Cyber Crime and Information Privacy, 2021)
"Prevention of damage to, protection of, and restoration of computers, electronic communications systems, electronic communications services, wire communication, and electronic communication, including information contained therein, to ensure its availability, integrity, authentication, confidentiality, and nonrepudiation." (CNSSI 4009-2015)
"The ability to protect or defend the use of cyberspace from cyber attacks." (NISTIR 8170)
"The prevention of damage to, unauthorized use of, exploitation of, and - if needed - the restoration of electronic information and communications systems, and the information they contain, in order to strengthen the confidentiality, integrity and availability of these systems." (NISTIR 8074 Vol. 2)
"The process of protecting information by preventing, detecting, and responding to attacks." (NISTIR 8183)