Knowledge Hub

Read our latest articles about digitalization, IoT, Cloud and Cybersecurity.

What is Firewall as a Service (FWaaS)? A complete overview for companies

What is Firewall as a Service (FWaaS)? A complete overview for companies

Learn how Firewall as a Service (FWaaS) offers scalable, cloud-based security with real-time protection and zero-maintenance updates.

03.06.2026

What is Information Security Management (ISM)?
ZTNA (Zero Trust Network Access) explained: What is the meaning of the new IT security standard

ZTNA explained: What is the meaning of the new IT security standard

In this blog post, we break down how ZTNA enhances security by ensuring that every user and device is continuously verified before accessing your network. Learn how this approach can protect your business from modern cyber threats.

28.05.2026

What is a CASB? The Cloud Access Security Broker explained

What is a CASB? The Cloud Access Security Broker explained

Discover how a Cloud Access Security Broker (CASB) secures your cloud services, providing visibility, threat protection, and compliance management.

26.05.2026

OSI and TCP/IP model: Differences explained

OSI and TCP/IP model: Differences explained

Compare the OSI and TCP/IP models through a clear, modern lens—understand the structural differences between the OSI’s theoretical seven-layer framework and the TCP/IP’s practical four-layer stack, and learn why both matter in real-world networking.

08.07.2025

Further Articles

5G and IoT: New opportunities for companies_A1 Digital

5G and IoT: New opportunities for companies

In this blog post, we explore the powerful combination of 5G and IoT, and how it opens up new opportunities for businesses. Discover how these technologies are transforming industries, enhancing connectivity, and driving innovation for more efficient and scalable operations.

15.07.2024

What is Narrowband IoT (NB-IoT): A comprehensive guide_A1 Digital

What is Narrowband IoT (NB-IoT): A comprehensive guide

In this comprehensive guide, we explore Narrowband IoT (NB-IoT), a cutting-edge technology that is transforming the Internet of Things (IoT) landscape. Learn about its benefits, how it works, and why it’s ideal for IoT applications that require low power, wide coverage, and reliable connectivity.

01.08.2024

NIS2

NIS2: What companies need to know and implement now

The EU’s NIS2 Directive raises the bar for cybersecurity across critical sectors and their supply chains. Discover what the new rules mean for your organization and how to start preparing now.

13.08.2024

LPWAN for IoT: A guide to what companies should know_A1 Digital

LPWAN: Connectivity made easy for companies

In this guide, we explore LPWAN (Low Power Wide Area Network) technology and its significance for IoT. Learn how LPWAN enables cost-effective, long-range connectivity for IoT applications, and why it’s an essential solution for businesses looking to optimize their IoT deployments.

20.08.2024

What is LTE M A comprehensive guide for enterprises A1 Digital

LTE-M: The future of mobile technology for enterprises

In this comprehensive guide, we dive into LTE-M technology and its benefits for enterprises. Learn how LTE-M provides reliable, low-power connectivity for IoT applications, helping businesses enhance their operations and unlock new opportunities in the digital landscape.

20.08.2024