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Glossary of terms and definitions for IT (Information Technology), the Internet and cyber security.
This glossary provides more than 480 clear and concise definitions of commonly used terms in the fields of information technology, the internet, and cyber security. It is designed to support users of all levels in understanding key concepts, technical jargon, and acronyms frequently encountered across digital platforms and security-related discussions. Whether you are a business owner, student, professional, or simply interested in the digital landscape, this resource aims to enhance your knowledge and confidence in navigating the ever-evolving world of technology.
An attack where a system is overwhelmed with traffic or requests, making it unavailable to legitimate users.
Example: A hacker floods a website with so many requests that it crashes and can't be accessed.
See also: DDoS
A type of DoS attack launched from multiple compromised devices (botnet) to overwhelm a system.
Example: An e-commerce site is bombarded by traffic from thousands of infected devices, making it unusable.
See also: DoS