NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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NIST IR 7298 Revision 1, Glossary of Key Information Security Terms Intrusion Detection Systems (IDS) – Hardware or software product that gathers and analyzes information from various areas within a computer or a network to identify possible security breaches, which include both intrusions (attacks from outside the organizations) and misuse (attacks from within the organizations.) SOURCE: CNSSI-4009 Intrusion Detection Systems (IDS) – (Host-Based) Intrusion Detection Systems (IDS) – (Network-Based) Intrusion Detection and Prevention System (IDPS) – Intrusion Prevention System(s) (IPS) – IDSs which operate on information collected from within an individual computer system. This vantage point allows host-based IDSs to determine exactly which processes and user accounts are involved in a particular attack on the Operating System. Furthermore, unlike network-based IDSs, host-based IDSs can more readily “see” the intended outcome of an attempted attack, because they can directly access and monitor the data files and system processes usually targeted by attacks. SOURCE: SP 800-36; CNSSI-4009 IDSs which detect attacks by capturing and analyzing network packets. Listening on a network segment or switch, one networkbased IDS can monitor the network traffic affecting multiple hosts that are connected to the network segment. SOURCE: SP 800-36; CNSSI-4009 Software that automates the process of monitoring the events occurring in a computer system or network and analyzing them for signs of possible incidents and attempting to stop detected possible incidents. SOURCE: SP 800-61 System(s) which can detect an intrusive activity and can also attempt to stop the activity, ideally before it reaches its targets. SOURCE: SP 800-36; CNSSI-4009 Inverse Cipher – Series of transformations that converts ciphertext to plaintext using the Cipher Key. SOURCE: FIPS 197 IP Security (IPsec) – Suite of protocols for securing Internet Protocol (IP) communications at the network layer, layer 3 of the OSI model by authenticating and/or encrypting each IP packet in a data stream. IPsec also includes protocols for cryptographic key establishment. SOURCE: CNSSI-4009 Pg 102
NIST IR 7298 Revision 1, Glossary of Key Information Security Terms IT-Related Risk – The net mission/business impact considering 1) the likelihood that a particular threat source will exploit, or trigger, a particular information system vulnerability, and 2) the resulting impact if this should occur. IT-related risks arise from legal liability or mission/business loss due to, but not limited to: Unauthorized (malicious, non-malicious, or accidental) disclosure, modification, or destruction of information; Non-malicious errors and omissions; IT disruptions due to natural or man-made disasters; or Failure to exercise due care and diligence in the implementation and operation of the IT. SOURCE: SP 800-27 IT Security Architecture – A description of security principles and an overall approach for complying with the principles that drive the system design; i.e., guidelines on the placement and implementation of specific security services within various distributed computing environments. SOURCE: SP 800-27 IT Security Awareness – The purpose of awareness presentations is simply to focus attention on security. Awareness presentations are intended to allow individuals to recognize IT security concerns and respond accordingly. SOURCE: SP 800-50 IT Security Awareness and Training Program – Explains proper rules of behavior for the use of agency IT systems and information. The program communicates IT security policies and procedures that need to be followed. SOURCE: SP 800-50 Explains proper rules of behavior for the use of agency information systems and information. The program communicates IT security policies and procedures that need to be followed (i.e., NSTISSD 501, NIST SP 800-50). SOURCE: CNSSI-4009 IT Security Education – IT Security Education seeks to integrate all of the security skills and competencies of the various functional specialties into a common body of knowledge, adds a multidisciplinary study of concepts, issues, and principles (technological and social), and strives to produce IT security specialists and professionals capable of vision and proactive response. SOURCE: SP 800-50 Pg 103
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NIST IR 7298, Glossary of Key Infor
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NISTIR 7298 Revision 1, Glossary of Key Information Security Terms

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