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Computer security, cybersecurity, or information technology security is the protection of computer systems and networks from information disclosure, theft of, or damage to their hardware, software, or electronic data, as well as from the disruption or misdirection of the services they provide.
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An intrusion detection system is a device or software application that monitors a network or systems for malicious activity or policy violations. Any intrusion activity or violation is typically reported either to an administrator or collected centrally using a security information and event management (SIEM) system. A SIEM system combines outputs from multiple sources and uses alarm filtering techniques to distinguish malicious activity from false alarms.
Network security consists of the policies, processes and practices adopted to prevent, detect and monitor unauthorized access, misuse, modification, or denial of a computer network and network-accessible resources. Network security involves the authorization of access to data in a network, which is controlled by the network administrator. Users choose or are assigned an ID and password or other authenticating information that allows them access to information and programs within their authority. Network security covers a variety of computer networks, both public and private, that are used in everyday jobs: conducting transactions and communications among businesses, government agencies and individuals. Networks can be private, such as within a company, and others which might be open to public access. Network security is involved in organizations, enterprises, and other types of institutions. It does as its title explains: it secures the network, as well as protecting and overseeing operations being done. The most common and simple way of protecting a network resource is by assigning it a unique name and a corresponding password.
A botnet is a group of Internet-connected devices, each of which runs one or more bots. Botnets can be used to perform Distributed Denial-of-Service (DDoS) attacks, steal data, send spam, and allow the attacker to access the device and its connection. The owner can control the botnet using command and control (C&C) software. The word "botnet" is a portmanteau of the words "robot" and "network". The term is usually used with a negative or malicious connotation.
The United States Computer Emergency Readiness Team (US-CERT) is an organization within the Department of Homeland Security’s (DHS) Cybersecurity and Infrastructure Security Agency (CISA). Specifically, US-CERT is a branch of the Office of Cybersecurity and Communications' (CS&C) National Cybersecurity and Communications Integration Center (NCCIC).
In the fields of computer security and information technology, computer security incident management involves the monitoring and detection of security events on a computer or computer network, and the execution of proper responses to those events. Computer security incident management is a specialized form of incident management, the primary purpose of which is the development of a well understood and predictable response to damaging events and computer intrusions.
The ISO/IEC 27000-series comprises information security standards published jointly by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC).
The Traffic Light Protocol (TLP) is a system for classifying sensitive information created in the early 2000s by the UK Government's National Infrastructure Security Coordination Centre to encourage greater sharing of sensitive information.
Network forensics is a sub-branch of digital forensics relating to the monitoring and analysis of computer network traffic for the purposes of information gathering, legal evidence, or intrusion detection. Unlike other areas of digital forensics, network investigations deal with volatile and dynamic information. Network traffic is transmitted and then lost, so network forensics is often a pro-active investigation.
ISO/IEC JTC 1/SC 27 Information security, cybersecurity and privacy protection is a standardization subcommittee of the Joint Technical Committee ISO/IEC JTC 1 of the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). ISO/IEC JTC 1/SC 27 develops International Standards, Technical Reports, and Technical Specifications within the field of information security. Standardization activity by this subcommittee includes general methods, management system requirements, techniques and guidelines to address information security, cybersecurity and privacy. Drafts of International Standards by ISO/IEC JTC 1 or any of its subcommittees are sent out to participating national standardization bodies for ballot, comments and contributions. Publication as an ISO/IEC International Standard requires approval by a minimum of 75% of the national bodies casting a vote. The international secretariat of ISO/IEC JTC 1/SC 27 is the Deutsches Institut für Normung (DIN) located in Germany.
Palo Alto Networks, Inc. is an American multinational cybersecurity company with headquarters in Santa Clara, California. Its core products are a platform that includes advanced firewalls and cloud-based offerings that extend those firewalls to cover other aspects of security. The company serves over 70,000 organizations in over 150 countries, including 85 of the Fortune 100. It is home to the Unit 42 threat research team and hosts the Ignite cybersecurity conference.
A cyberattack is any offensive maneuver that targets computer information systems, computer networks, infrastructures, or personal computer devices. An attacker is a person or process that attempts to access data, functions, or other restricted areas of the system without authorization, potentially with malicious intent. Depending on the context, cyberattacks can be part of cyber warfare or cyberterrorism. A cyberattack can be employed by sovereign states, individuals, groups, society or organisations and it may originate from an anonymous source. A product that facilitates a cyberattack is sometimes called a cyber weapon.
Cyber threat intelligence (CTI) is knowledge, skills and experience-based information concerning the occurrence and assessment of both cyber and physical threats and threat actors that is intended to help mitigate potential attacks and harmful events occurring in cyberspace. Cyber threat intelligence sources include open source intelligence, social media intelligence, human Intelligence, technical intelligence, device log files, forensically acquired data or intelligence from the internet traffic and data derived for the deep and dark web.
Cyber threat hunting is a proactive cyber defence activity. It is "the process of proactively and iteratively searching through networks to detect and isolate advanced threats that evade existing security solutions." This is in contrast to traditional threat management measures, such as firewalls, intrusion detection systems (IDS), malware sandbox and SIEM systems, which typically involve an investigation of evidence-based data after there has been a warning of a potential threat.
A blue team is a group of individuals who perform an analysis of information systems to ensure security, identify security flaws, verify the effectiveness of each security measure, and to make certain all security measures will continue to be effective after implementation.
In cybersecurity, cyber self-defense refers to self-defense against cyberattack. While it generally emphasizes active cybersecurity measures by computer users themselves, cyber self-defense is sometimes used to refer to the self-defense of organizations as a whole, such as corporate entities or entire nations. Surveillance self-defense is a variant of cyber self-defense and largely overlaps with it. Active and passive cybersecurity measures provide defenders with higher levels of cybersecurity, intrusion detection, incident handling and remediation capabilities. Various sectors and organizations are legally obligated to adhere to cyber security standards.
This is a list of cybersecurity information technology. Cybersecurity is security as it is applied to information technology. This includes all technology that stores, manipulates, or moves data, such as computers, data networks, and all devices connected to or included in networks, such as routers and switches. All information technology devices and facilities need to be secured against intrusion, unauthorized use, and vandalism. Additionally, the users of information technology should be protected from theft of assets, extortion, identity theft, loss of privacy and confidentiality of personal information, malicious mischief, damage to equipment, business process compromise, and the general activity of cybercriminals. The public should be protected against acts of cyberterrorism, such as the compromise or loss of the electric power grid.
Cisco Talos Intelligence Group is a cybersecurity technology and information security company based in Fulton, MD that’s a part of Cisco Systems Inc. Talos’ threat intelligence powers Cisco Secure products and services, including malware detection and prevention systems. Talos provides Cisco customers and internet users with customizable defensive technologies and techniques through several of their own open-source products, including the Snort intrusion prevention system and ClamAV anti-virus engine.
Ali Dehghantanha is an academic-entrepreneur in cybersecurity and cyber threat intelligence. He is a Professor of Cybersecurity and a Canada Research Chair in Cybersecurity and Threat Intelligence.
References
- ↑ Gragido, Will (October 3, 2012). "Understanding Indicators of Compromise (IoC) Part I". RSA. Archived from the original on September 14, 2017. Retrieved June 5, 2019.
- ↑ "The Incident Object Description Exchange Format". RFC 5070 . IETF. December 2007. Retrieved 2019-06-05.
- ↑ "Introduction to STIX" . Retrieved 2019-06-05.
- ↑ "FIRST announces Traffic Light Protocol (TLP) version 1.0". Forum of Incident Response and Security Teams. Retrieved 2019-12-31.
- ↑ Luiijf, Eric; Kernkamp, Allard (March 2015). "Sharing Cyber Security Information" (PDF). Global Conference on CyberSpace 2015. Toegepast Natuurwetenschappelijk Onderzoek. Retrieved 2019-12-31.
- ↑ Stikvoort, Don (11 November 2009). "ISTLP - Information Sharing Traffic Light Protocol" (PDF). Trusted Introducer. National Infrastructure Security Co-ordination Centre . Retrieved 2019-12-31.
- ↑ "Development of Policies for Protection of Critical Information Infrastructures" (PDF). Organisation for Economic Co-operation and Development (OECD). Retrieved 2019-12-31.
- ↑ "ISO/IEC 27010:2015 [ISO/IEC 27010:2015] | Information technology — Security techniques — Information security management for inter-sector and inter-organizational communications". International Organization for Standardization/International Electrotechnical Commission. November 2015. Retrieved 2019-12-31.
- ↑ "Traffic Light Protocol (TLP) Definitions and Usage". United States Department of Homeland Security . Retrieved 2019-12-31.
- ↑ "Traffic Light Protocol". Centre for Critical Infrastructure Protection. Archived from the original on 2013-02-05. Retrieved 2019-12-31.