Glossary

Virtual Machine

Virtual Machine (VM): A software-based version of a computer that behaves like a physical one. It has its own CPU, memory, storage, and network interface, all running in an isolated environment. VMs allow multiple operating systems to run on a single physical machine, making IT infrastructure more flexible and efficient.

Virtualization

Virtualization: The creation of virtual versions of physical hardware to improve resource utilization and scalability. Examples include servers, networks, operating systems, and storage devices. Virtualization enables users to run multiple virtual machines or isolated environments on a single physical machine. Related term: Virtual Machine

Vishing

Vishing: A form of social engineering attack where cybercriminals use voice communication, such as phone calls, to trick individuals into providing sensitive information like passwords or account numbers. A visher might pretend to be a bank employee addressing a security issue or a tech support agent from a well-known company