IT glossary

Microsoft's system for centralized management of users, devices, permissions, and settings in a Windows environment.

Microsoft's cloud-based identity and access service that replaces or complements classic Active Directory.

A data backup that enables recovery in the event of loss, hardware failure, or cyberattack.

The process of restoring an entire server or computer from a backup onto empty (or brand new) hardware.

The practice where employees use their own devices (phone, laptop, tablet) for work instead of company-issued equipment.

Cloud computing is the rental of computing power, storage, and services over the internet instead of using in-house servers.

A network service that automatically assigns IP addresses and other network configuration settings to devices.

A separate network segment for internet-facing services, isolating them from the internal corporate network.

A system that converts human-readable names (e.g., vitalit.si) into IP addresses that computers understand.

A server that manages user accounts, logins, and security policies within an Active Directory domain.

An endpoint detection and response solution that identifies suspicious behavior in addition to known malicious code.

Any end-user device in a network — computer, laptop, phone, or server — from which a user accesses data.

A device or software that monitors and filters network traffic between different networks, protecting the internal environment from unauthorized access.

A device or software solution that monitors and filters network traffic between different networks.

A mechanism for centrally configuring policies on computers and user accounts within a domain.

A single point of entry for reporting IT issues and requests, providing record-keeping, prioritization, and measurable response times.

An IT environment in which part of the systems run locally on-premises and part in the cloud.

Microsoft virtualization technology that enables running multiple virtual servers on a single physical device.

A cloud model where you rent infrastructure (servers, disks, and network) while managing the systems running on it yourself.

A pre-planned procedure for responding to a security incident from detection and containment to recovery and reporting.

The address that enables a device to be identified and communicate on a network.

A service that ensures a company's IT environment functions properly, ranging from resolving everyday user issues to maintaining servers and networks.

A local area network within a single location that connects computers, servers, printers, and other equipment.

A system for central management of mobile and portable devices and the business data stored on them.

A login method that requires a second proof of identity in addition to a password, most commonly a confirmation in an app on a phone.

Microsoft's suite of office applications and cloud services — includes Outlook, Word, Excel, Teams, SharePoint, OneDrive, and user management.

Dedicated network data storage device — primarily used as shared file storage or a backup target.

A structured process for installing security and functional updates across all systems, applications, and devices.

A computer designed to provide shared services for a company, ranging from files and databases to applications.

A logically separated network on the same physical equipment that allows different groups of devices to function separately as if they were on different cables.

An encrypted connection between a user and the business network that allows employees to work securely with internal resources from anywhere.