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ibm.com › www.ibm.com/think/topics/cybersecurity
What is cybersecurity? - IBM
What is cybersecurity? Cybersecurity is the practice of protecting people, systems and data from cyberattacks by using various technologies, processes and policies. At the enterprise level, cybersecurity is key to overall risk management strategy, and specifically, cyber risk management.
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geeksforgeeks.org › www.geeksforgeeks.org/cybersecurity/what-is-cyber-security/
Introduction to Cyber Security - GeeksforGeeks
Jun 12, 2026 · Cybersecurity is the process of protecting networks, systems, applications and digital assets from unauthorized access, cyberattacks, malware and data breaches. It ensures the confidentiality, integrity and availability (CIA) of information while supporting secure and sustainable digital infrastructure.
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cisco.com › www.cisco.com/site/us/en/learn/topics/security/what-is-cyber…
What is cybersecurity? - Cisco
Cybersecurity is the convergence of people, processes, and technology that combine to protect organizations, individuals, or networks from digital attacks.
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microsoft.com › www.microsoft.com/en-us/security/business/security-101/what-…
What is Cybersecurity?
Cybersecurity is the prevention and protection against cyberattacks targeting computer systems and networks. Learn more about cybersecurity best practices and solutions.
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cisa.gov › www.cisa.gov/news-events/news/what-cybersecurity
What is Cybersecurity? - CISA
Feb 1, 2021 · What is cybersecurity? Cybersecurity is the art of protecting networks, devices, and data from unauthorized access or criminal use and the practice of ensuring confidentiality, integrity, and availability of information.
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fortinet.com › www.fortinet.com/resources/cyberglossary/what-is-cybersecuri…
What is cybersecurity? Types, threats & best practices | Fortinet
Learn what cybersecurity means, the different types of cyber security, top threats enterprises face, and best practices for building strong protection strategies.
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niccs.cisa.gov › niccs.cisa.gov/audience/cybersecurity-beginners
Cybersecurity for Beginners - NICCS
May 19, 2026 · Cybersecurity for Beginners Are you interested in a career in cybersecurity but don’t know where to begin? Whether you are a recent college graduate, changing careers, or just entering the field of cyber, NICCS has tools and resources to help you get started.
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en.wikipedia.org › en.wikipedia.org/wiki/Computer_security
Computer security - Wikipedia
Computer security (also cybersecurity, digital security, or information technology (IT) security) is a subdiscipline within the field of information security. It focuses on protecting 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 to the disruption or misdirection of the ...
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comptia.org › www.comptia.org/en-us/blog/what-is-cybersecurity/
What Is Cybersecurity | Types and Threats Defined - CompTIA
Mar 5, 2025 · Learn what cybersecurity is and understand the definitions of different types of threats.
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cyberhaven.com › www.cyberhaven.com/infosec-essentials/what-is-cybersecurity
What is Cybersecurity? Threats, Domains, and Defenses
Cybersecurity is the practice of protecting digital systems, networks, applications, and data from unauthorized access, damage, theft, and disruption. It combines technology, processes, and policies to defend against threats such as malware, phishing, and insider misuse.
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