IT service management (ITSM) refers to the entirety of activities – directed by policies, organized and structured in processes and supporting procedures – that are performed by an organization to design, plan, deliver, operate and control information technology (IT) services offered to customers.

The purpose of a video security system is to make you safe and feel safe. Period. That includes your person, your business, your property, your budget. It’s not about pixels or data rates or security cameras and software. It’s about how all those things, working together, add up to your safety net.

A security alarm is a system designed to detect intrusion – unauthorized entry – into a building or other area such as a home or school. Some alarm systems serve a single purpose of burglary protection; combination systems provide both fire and intrusion protection.

There are two types of access control: physical and logical. Physical access control limits access to campuses, buildings, rooms and physical IT assets. Logical access control limits connections to computer networks, system files and data.

Home automation is building automation for a home, called a smart home or smart house. A home automation system will control lighting, climate, entertainment systems, and appliances. It may also include home security such as access control and alarm systems.

Simply put, cloud computing is the delivery of computing services—including servers, storage, databases, networking, software, analytics, and intelligence—over the Internet (“the cloud”) to offer faster innovation, flexible resources, and economies of scale.