Overlay networks have become increasingly popular in recent years, as they offer a unique way of connecting computers and devices across multiple networks. An overlay network is a virtual network that is built on top of an existing network, creating a layer of abstraction between the physical network and the applications that use it. This … Read more
What is a DMZ? The Demilitarized Zone (DMZ) is an independent network that acts as a buffer zone between an external network and the internal network. The buffer network contains, for example, web servers or mail servers whose communication is monitored by firewalls. As businesses and organizations become more dependent on technology and online presence, … Read more
What is LLDP (Link Layer Discovery Protocol)? The Link Layer Discovery Protocol works on layer two of the OSI reference model and is specified in the IEEE 802.1AB standard. Neighboring devices in a network can use the protocol to exchange information. The devices store the information they receive in their Management Information Base. Typical applications … Read more
A proxy is a software instance or a server that acts as an intermediary in a network. It receives requests and forwards them by proxy. Proxies can be used, for example, to obfuscate communication between local end devices and web servers, to speed it up, or to secure it. Have you ever been restricted from … Read more
A network domain is an administratively delimited network area that can be used to logically map the organizational structures of a company. Security policies, user rights, and user roles are managed centrally via a domain controller. A user logs on to a domain via the domain controller. Domains have unique names and are structured hierarchically. … Read more
How does RADIUS work? RADIUS stands for Remote Authentication Dial-In User Service and describes a service that authenticates and authorizes users in a dial-in network. RADIUS can also be used for the accounting of services. In companies, RADIUS is often used for user logon in WLAN networks. Have you ever wondered how you connect to … Read more
An Information Security Management System (ISMS) defines rules and methods to ensure information security in a company or organization. The ISMS is process-oriented and follows a top-down approach starting from the company management. Protecting sensitive information has become paramount for organizations and individuals alike, and the increasing sophistication of cyber threats and the growing volume … Read more
What is cross-site scripting? Cross-site scripting (XSS) is one of the most commonly used attack methods on the Internet. The goal of cross-site scripting is to obtain confidential data, hijack applications, or cause other damage. XSS embeds the attack code in a supposedly secure context. In today’s digital age, web applications are an integral part … Read more
The so-called Security Operations Center, abbreviated SOC, sees itself as the center for all security-relevant services in the IT environment of organizations or companies. It protects the IT infrastructure and data from internal and external threats. With the rapidly evolving landscape of cybersecurity, organizations face many threats and attacks on their digital assets. To combat … Read more
An intrusion prevention system, abbreviated IPS, is able to detect attacks on networks or computer systems and to take automatic defensive measures. It provides additional protection compared to conventional firewall systems. An Intrusion Prevention System (IPS) clearly differs from an Intrusion Detection System (IDS) in some functions. Cybersecurity is of utmost importance to protect our … Read more
An intrusion detection system, abbreviated IDS, is able to detect and inform about attacks directed at computers, servers, or networks. Often the Intrusion Detection System complements the usual functions of a firewall. Network security plays a critical role in safeguarding organizations from cyber threats. One essential component of network security is an Intrusion Detection System … Read more
Cyberwar is a warlike confrontation between states in virtual space, which is conducted by means of information technology. The aim of cyberwar is to damage countries, institutions, or society electronically and to disrupt important infrastructures. With the increasing reliance on digital technology and the interconnectedness of the world, cyberwarfare has become a growing concern for … Read more