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

Why MQTT (Message Queuing Telemetry Transport) is relevant for businesses

Why MQTT (Message Queuing Telemetry Transport) is relevant for businesses

Find out what makes MQTT ideal for connecting devices efficiently in data-sensitive environments.

30.05.2025

DORA The Digital Operational Resilience Act Explained A1 Digital

DORA: The Digital Operational Resilience Act Explained

Understand the DORA regulation and its impact on the digital resilience of financial services. This article breaks down the key aspects of DORA, how it aims to strengthen the cybersecurity framework, and what businesses in the financial sector need to know to comply with the new standards.

14.01.2025

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.

03.02.2025

What is SD WAN Software Defined WAN A1 Digital

Software-Defined Wide Area Network (SD-WAN)

Discover SD-WAN technology and how it’s transforming network management for businesses. This article explains how SD-WAN improves security, agility, and efficiency, offering a flexible solution for modern, distributed network architectures.

04.02.2025

What is SASE Secure Access Service Edge A1 Digital

What is SASE?

Learn about SASE (Secure Access Service Edge) and how it combines network security and wide-area networking in a single, cloud-based solution. This article explores how SASE simplifies network management while providing secure, scalable access for modern businesses.

04.02.2025