What is IT (Information Technology)?
IT, or Information Technology, refers to the use of computers, networks, storage, software and infrastructure to collect, process, store and communicate data within an organisation.
IT is the digital backbone of modern businesses and plays a central role in administration, communication, decision-making and data management.
🧱 Key components of IT
| Component | Description |
|---|---|
| Hardware | Physical devices: servers, PCs, laptops, routers, switches |
| Software | Programs and systems: ERP, databases, operating systems |
| Networks | Connections between systems: LAN, WAN, internet |
| Data storage | Locations where data is kept: HDD, SSD, NAS, cloud |
| Security (Cybersecurity) | Protection of systems against unauthorised access |
| Support & management | IT administrators, helpdesk, system and network administration |
🧠 What does IT do?
IT makes it possible to:
- Store and retrieve data (e.g. customer data, financial information)
- Support internal and external communication (email, chat, video calls)
- Automate business processes (via ERP, CRM, HR systems)
- Support decisions through data collection and analysis
- Work securely and reliably through firewalls, backups and access management
🔄 IT vs. OT (Operational Technology)
| Aspect | IT | OT |
|---|---|---|
| Purpose | Information management and data processing | Driving physical processes/machinery |
| Example systems | ERP, databases, Cloud platforms | PLCs, SCADA, sensors, actuators |
| Security focus | Confidentiality | Availability |
| Updates & patches | Regular | Limited and cautious |
🏭 IT in an industrial environment
In industrial companies, IT supports, among other things:
- ERP systems for planning, procurement and inventory management
- Customer databases (CRM)
- IT networks for SCADA/MES integration
- Cloud storage and data centralisation
- Remote Access to installations
📌 In summary
IT is the technology behind information management and digital communication within organisations. In industry and automation, IT and OT together form the basis of modern, connected and secure production environments.