Security

What is an Underlay Network? Underlay networks are fundamental building blocks of modern network infrastructures, often operating behind the scenes, hidden from the end user’s perspective. Understanding underlay networks is crucial for anyone involved in networking and telecommunications, as they form the backbone upon which overlay networks and end-user services rely. In this article, we … Read more

What is a CIO (Chief Information Officer)? A Chief Information Officer, commonly referred to as a CIO, plays a crucial role in modern organizations. This role has gained significant importance in recent years due to the increasing reliance on technology to drive business operations and innovation. In this article, we will explore the definition of … Read more

Automated Pentesting? The need for robust cybersecurity has grown exponentially in an increasingly digital and interconnected world. With organizations relying heavily on technology to conduct their operations and store sensitive data, the risk of cyber threats and attacks has surged. Cybersecurity has become a top priority for businesses, governments, and individuals to protect their assets, … Read more

What is the Open Cybersecurity Schema Framework (OCSF)? The Open Cybersecurity Schema Framework is an open source project from currently 18 companies active in the IT security environment. The project aims to provide more cyber security with the help of open standards and a simplified, manufacturer-independent taxonomy. Among other things, a uniform scheme for security … Read more

What is the Diamond Model of Intrusion Analysis? The Diamond Model is a framework used in the field of cybersecurity to analyze and understand cyber threats and intrusions. It provides a structured approach for dissecting and visualizing cyber incidents, making it easier for cybersecurity professionals to make sense of the complex and dynamic nature of … Read more

What is Metadata? Metadata plays a crucial role in the field of data management and information organization. It is a fundamental concept that underpins how data is stored, accessed, and utilized across various domains, including databases, libraries, digital archives, and more. This introduction will define metadata and discuss its significance in data management. Key Takeaways: … Read more

What is the Purdue Reference Model? The Purdue Reference Model is part of the PERA methodology (Purdue Enterprise Reference Architecture) designed in the 1990s. It is a reference model for automation and industrial networks. The reference model provides useful help in protecting operational technology (OT) from cyber threats. The model can be used to structure … Read more

What is a Neural network? An artificial neural network is inspired by the biological neural network. It abstracts how it works in a mathematical model and consists of interconnected neurons. With artificial neural networks, various tasks can be solved computer-based. An artificial neural network can be trained and learns independently. Artificial neural networks are a … Read more

What is an API? APIs, or Application Programming Interfaces, are fundamental components of the technology landscape that facilitate communication between different software applications. They play a crucial role in enabling the integration of various systems and services, driving the interconnected digital world we live in today. This article will explore what APIs are, their importance … Read more

What are microservices? Microservices are small, independent services that each provide a specific functionality for an application. In their entirety, they form the application including its application logic. A microservice-based application is an alternative to a monolithic application. Microservices are an indispensable element of cloud-native applications. They are often used in conjunction with container technology … Read more

What is Log4Shell (Log4j vulnerability)? Log4Shell is the name of a zero-day vulnerability that became known at the end of 2021. It is based on an injection vulnerability in the Log4j Java logging framework used for many services and products. The BSI classified the risk caused by the security gap with the highest possible value. … Read more

What is LACP (Link Aggregation Control Protocol)? With the Link Aggregation Control Protocol, several physical connections can be bundled on the link layer and combined into a logical Link Aggregation Group (LAG). LACP takes care of the dynamic configuration of the logical connection. Compared to the operation of individual links, the usable bandwidth increases. In … Read more

What is Natural Language Processing (NLP)? Natural Language Processing deals with the theoretical foundations and practical methods and techniques for processing natural language in spoken form or text form using computers. NLP includes the two sub-areas Natural Language Understanding (NLU) and Natural Language Generation (NLG). Numerous applications such as machine translations, chatbots, digital assistants and … Read more

What is the MITER Att&ck Framework? The MITER Att&ck Framework provides information on cybercrime tactics, techniques and procedures. It is a publicly available cyber attack knowledge base. The framework helps to understand the various existing attack models better and to improve existing IT security strategies. MITER Corporation, a US non-profit corporation maintains and publishes the … Read more

The free tool Winaero Tweaker can be used to adjust many hidden Windows settings. For this purpose, the program shows the places in the system that are changed and also which changes are made. In this tool tip, we show the many possibilities of this practical free tool. What is Winaero Tweaker? Winaero Tweaker is … Read more

Data Poisoning is a critical and growing concern in the realm of data security and integrity. This phenomenon has gained prominence due to its potential to undermine the trustworthiness of data, leading to significant consequences in various fields, including cybersecurity, machine learning, and data-driven decision-making processes. This article will define data poisoning, highlight the importance … Read more

What is a Data protection impact assessment? The data protection impact assessment, or DSIA for short, is an important installation of the General Data Protection Regulation (GDPR). It is intended to ensure the protection of personal data in data-processing bodies through a risk analysis to be carried out in advance. The consequences of processing operations … Read more

How does captcha work? Many IT security measures are not developed or deployed until you encounter a concrete problem. It was the same with Captcha. This security query was developed to put a stop to spam and the unwanted use of web services by automated bots and to clearly distinguish humans from machines. But as … Read more