Computer security - Wikipedia
网页Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that may result in unauthorized information disclosure, theft of (or damage to) hardware, software, or data, as well as from the disruption or misdirection of the services ...
What Is Cybersecurity? | Microsoft Security
网页Cybersecurity is the prevention and protection against cyberattacks targeting computer systems and networks. Learn more about cybersecurity best practices and solutions.
Computer security | Definition & Facts | Britannica
网页2024年8月13日 · computer security, the protection of computer systems and information from harm, theft, and unauthorized use. Computer hardware is typically protected by the same means used to protect other valuable or sensitive equipment—namely, serial numbers, doors and locks, and alarms.
What is cyber security? - Cloudflare
网页Cyber security is the practice of protecting networks, applications, sensitive information, and users from cyber attacks. Learn how different cyber security practices help defend against common threats.
What Is Cybersecurity? - IBM
网页2024年8月12日 · Cybersecurity refers to any technologies, practices and policies for preventing cyberattacks or mitigating their impact. Cybersecurity aims to protect computer systems, applications, devices, data, financial assets and people against ransomware and other malware, phishing scams, data theft and other cyberthreats.
What Is Cybersecurity | Types and Threats Defined - CompTIA
网页What Is Cybersecurity? Cybersecurity as a whole involves any activities, people and technology your organization is using to avoid security incidents, data breaches or loss of critical systems. It’s how you protect your business from threats and your security systems against digital threats.
What Is Cybersecurity? Best Practices & More - CrowdStrike
网页2023年1月27日 · Cybersecurity is the act of defending digital assets, including networks, systems, computers, and data from cyberattacks. Also known as information technology security (IT security), it protects against threats that aim to access or destroy sensitive information, exhort money from users, or interrupt normal business practices.
What is cybersecurity? - Cisco
网页Cybersecurity is the practice of protecting systems, networks, and programs from digital attacks. These cyberattacks are usually aimed at accessing, changing, or destroying sensitive information; extorting money from users through ransomware; or interrupting normal business processes.
Cybersecurity | NIST - National Institute of Standards and …
网页2024年9月4日 · NIST develops cybersecurity standards, guidelines, best practices, and other resources to meet the needs of U.S. industry, federal agencies and the broader public. Our activities range from producing specific information that organizations can put into practice immediately to longer-term research that anticipates advances in technologies …
NIST Computer Security Resource Center | CSRC
网页The Computer Security Resource Center (CSRC) has information on many of NIST's cybersecurity- and information security-related projects, publications, news and events. CSRC supports people and organizations in government, industry, and academia—both in the U.S. and internationally.