Knowledge Hub

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

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.

14.08.2025

OSI model and its 7 layers explained

OSI model and its 7 layers explained

Understand the OSI Model: Explore the seven-layer framework that standardizes network communication, essential for diagnosing issues and ensuring interoperability.

14.08.2025

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.

14.08.2025

Machine-to-Machine: M2M communication explained_A1 Digital

Machine-to-Machine: M2M communication explained

Discover the world of Machine-to-Machine (M2M) communication and how it enables devices to exchange data without human intervention. This article explains the benefits of M2M technology, its applications across industries, and how it can drive efficiency and automation in business operations.

14.08.2025

What is TCP/IP?

What is TCP/IP?

Dive into the world of TCP/IP, the fundamental protocol that powers internet communication. This article explains how TCP/IP works, its key components, and why it remains essential for modern networking and digital communication.

14.08.2025

Further Articles

5G: The new mobile network explained_A1 Digital

5G: The new mobile network explained

In this blog post, we break down the fundamentals of 5G, the next-generation network technology. Learn how 5G is set to revolutionize connectivity, offering faster speeds, lower latency, and greater capacity to support the growing demands of modern businesses and consumers.

29.07.2025

CASB

What is CASB (The Cloud Access Security Broker)?

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

25.07.2025

Firewall

What is FWaaS (Firewall as a Service)?

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

24.07.2025

ZTNA Header

ZTNA (Zero Trust Network Access) explained

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.

24.07.2025

Nis2 Banner

NIS2: Act Now with Planned and Controlled Measures to Avoid Costly Consequences

Germany has taken a major step toward strengthening cybersecurity with the approval of the NIS2 Implementation and Cybersecurity Strengthening Act. This move aligns with the NIS2 Directive and is expected to inspire similar actions across Europe. Read on to learn what this means for your organization and how to start preparing for the upcoming changes.

24.07.2025