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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.
A software update designed to fix security vulnerabilities, bugs, or performance issues.
Example: Microsoft releases a patch to address a security flaw in Windows, which users need to install to stay protected.
The process of regularly updating software to fix security vulnerabilities, bugs, and performance issues.
Example: An IT team applies a security patch to operating systems and applications each month to protect against newly discovered vulnerabilities.
See also: Patch
The second Tuesday of each month when Microsoft releases security updates for its software.
Example: IT departments schedule updates on Patch Tuesday to ensure systems stay secure.
See also: Patch, Patch Management
An attack that targets a vulnerability unknown to the software vendor, giving them "zero days" to provide a fix.
Example: An attacker discovers a flaw in a web browser and uses it to steal data before a patch is released.