"Computer security, cyber security, digital security or information technology security (IT security) is the protection of computer systems and networks from attacks by malicious actors 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 they provide."
The practice of protecting computers, servers, mobile devices, electronic systems, networks, and data from malicious attacks.
Computer Networks: How computers are linked together to share resources, communicate, and exchange data.
Operating Systems: The software that manages hardware and software resources and provides common services for computer programs.
Cryptography: The study of techniques for secure communication in the presence of third parties (adversaries).
Cyber Threats: Attacks or consequences that can cause damage or disruption to computer systems and networks.
Risk Assessment: The process of identifying, analyzing, and evaluating potential risks to an organization's operations and assets.
Cyber Laws and Regulations: The legal framework that governs computer networks and information security.
Digital Forensics: The scientific process of identifying, analyzing, and preserving digital evidence in the context of a criminal investigation.
Access Control: The security mechanism that limits access to data, software, and hardware resources to authorized users.
Identity Management: The process of managing the digital identities of users, applications, and devices in a network.
Incident Response: The process of responding to security incidents, such as data breaches or cyber-attacks.
Vulnerability Assessment: The process of identifying, analyzing, and prioritizing security vulnerabilities in a network or system.
Compliance and Audit: The process of ensuring that an organization complies with regulations and internal policies and procedures.
Security Architecture: The design of a secure computer system that protects information from unauthorized access or theft.
Threat Intelligence: The collection, analysis, and dissemination of information about cyber threats to prevent or mitigate attacks.
Cloud Security: The security of data, applications, and infrastructure in a range of cloud environments.
Machine Learning and Artificial Intelligence: The use of machine learning and artificial intelligence to detect and prevent cyber-attacks.
Mobile Device Security: The security of mobile devices, including smartphones and tablets.
Internet of Things Security: The security of devices connected to the internet, such as home appliances, cars, and medical devices.
Incident Management: The process of managing security incidents.
Security Awareness Training: The education of users to recognize and avoid potential security threats.
Network security: This type of cybersecurity involves securing network infrastructure from unauthorized access, intrusions, and other types of cyber threats.
Application security: Application security involves securing applications from cyber attacks by following secure coding practices, implementing access controls, and conducting regular vulnerability assessments.
Cloud security: Cloud security refers to the protection of cloud-based services and applications from cyber threats, such as data breaches, account hijacking, and malware infection.
Internet of Things (IoT) security: IoT security involves securing internet-connected devices and systems from cyber attacks, such as hacking, data theft, and malicious software.
Mobile device security: Mobile device security involves securing personal and organizational mobile devices from cyber attacks, such as malware, cyber theft, and unauthorized access.
Identity and Access Management (IAM): IAM refers to the process of managing digital identities and controlling access to different systems and applications for authorized users.
Endpoint security: Endpoint security involves securing endpoints, such as desktops, laptops, and mobile devices, from cyber threats and vulnerabilities.
Disaster recovery and business continuity: Disaster recovery and business continuity refer to the planning and implementation of measures to ensure the continuity of critical business operations during a crisis or disaster.
Physical security: Physical security involves securing physical assets of an organization, such as buildings, data centers, and servers, from physical breaches, theft, and other types of physical threats.
Incident response: Incident response refers to the process of identifying, assessing, containing, and mitigating a cybersecurity incident or breach.
Regulatory compliance: Regulatory compliance refers to ensuring that an organization's cybersecurity policies, practices, and operations are in accordance with legal and regulatory requirements.
Vulnerability management: Vulnerability management involves identifying and addressing vulnerabilities in an organization's cyber infrastructure to prevent potential cyber attacks.
Data protection: Data protection involves securing sensitive data, such as customer information and intellectual property, from unauthorized access, theft, and cyber attacks.
Threat intelligence: Threat intelligence refers to gathering and analyzing information to identify potential cyber threats and vulnerabilities to an organization's systems, networks, and applications.
Penetration testing: Penetration testing involves simulating cyber attacks to identify and address security weaknesses in an organization's cyber infrastructure.
"Attacks by malicious actors 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 they provide."
"The field is significant due to the expanded reliance on computer systems, the Internet, and wireless network standards such as Bluetooth and Wi-Fi."
"The expanded reliance on computer systems, the Internet, and wireless network standards such as Bluetooth and Wi-Fi."
"Due to the growth of smart devices, including smartphones, televisions, and the various devices that constitute the Internet of things (IoT)."
"Cybersecurity is one of the most significant challenges of the contemporary world."
"Due to both the complexity of information systems and the societies they support."
"Security is of especially high importance for systems that govern large-scale systems with far-reaching physical effects."
"Systems that govern large-scale systems with far-reaching physical effects, such as power distribution, elections, and finance."
"The protection of computer systems and networks from attacks by malicious actors."
"Unauthorized information disclosure."
"Theft of hardware, software, or data."
"Disruption or misdirection of the services they provide."
"Computer systems and networks."
"Wireless network standards such as Bluetooth and Wi-Fi."
"Smartphones, televisions, and the various devices that constitute the Internet of things (IoT)."
"The expanded reliance on computer systems, the Internet, and wireless network standards such as Bluetooth and Wi-Fi."
"Computer security, cyber security, digital security or information technology security (IT security)."
"Systems that govern large-scale systems with far-reaching physical effects, such as power distribution, elections, and finance."
"Attacks by malicious actors 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 they provide."