4 Hacker An unauthorised user who attempts to or gains access to an information system. The ability to protect or defend the use of cyberspace from cyber attacks. Information Security Policy Regulations, rules, and practices that prescribe how an organisation manages, protects, and distributes information. Source: CNSSI-4009-2015. A nomenclature and dictionary of security-related software flaws. The NCSC glossary - a set of straightforward definitions for common cyber security terms Hashing ... cyber incident. 4 CNSSI 4009 Glossary … It is comprised of a six step process: Preparation, Identification, Containment, Eradication, Recovery, and Lessons Learned. ATTACK SIGNATURE A characteristic or distinctive pattern that can be searched for or that can be used in matching to previously identified attacks. Our community of professionals is committed to lifetime learning, career progression and sharing expertise for the benefit of individuals and organizations around the globe. Advanced Network Systems, Inc. 800.639.6757 www.getadvanced.net 1 Table of Contents . Unless otherwise noted, definitions have been adapted from terms in the NIST Computer Security Resource Center Glossary . Similar cyber events or behaviors that may indicate an attack has occurred or is occurring, resulting in a security violation or a potential security violation. A violation of the security policy of a system such that an unauthorized disclosure, modification, or destruction of sensitive information has occurred. Against that backdrop, highly personal and sensitive information such as social security numbers were recently stolen in the Equifax hack, affecting over 145 million people. Confidentiality This glossary contains brief descriptions of commonly used cybersecurity and related technology terms. Accountability in the cyber security space entails ensuring that activities on supported systems can be traced to an individual who is held responsible for the integrity of the data. 2) Compromise. The topic of cyber security is sweeping the world by storm with some of the largest and most advanced companies in the world falling victim to cyber-attacks in just the last 5 years. For 50 years and counting, ISACA ® has been helping information systems governance, control, risk, security, audit/assurance and business and cybersecurity professionals, and enterprises succeed. 1 CNSSI 4009 NIST SP 800-39 CNSSI 4009 NIST SP 800-53 Rev. Incident Handling is an action plan for dealing with intrusions, cyber-theft, denial of service, fire, floods, and other security-related events. Cybersecurity glossary. The confidentiality, integrity, and availability (CIA) security triad is the foundation of secure information in cybersecurity. Source(s): NIST SP 800-30 Rev. 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