A DDoS attack attempts to cause the unavailability of Internet service through a deliberately induced overload. Usually, botnets consisting of a multitude of individual systems are used for the attack. The target of the attack can be servers or other network components. DDoS attacks have become increasingly common in today’s digital landscape, posing significant threats … Read more
In a penetration test, IT systems or networks are subjected to a comprehensive examination designed to determine their susceptibility to attack. A pentest uses methods and techniques that real attackers or hackers use. In today’s digital landscape, where cyber threats are on the rise, organizations need to be proactive in identifying vulnerabilities in their systems … Read more
To detect and defend against cyberattacks earlier, you need to understand the attackers’ objectives and approach and build defenses accordingly. The Lockheed Martin Cyber Kill Chain is a multi-step model for analyzing attacks and building defenses along with the attack steps. Cyber attacks have become increasingly sophisticated and prevalent. Understanding the methods employed by attackers … Read more
Air Gap is a security concept that meets the highest security requirements. It describes the complete physical and logical isolation of computers from each other and from networks. Information exchange between systems is possible, for example, via transportable storage media. Methods such as side-channel attacks exist to overcome an air gap. What is Air Gap? … Read more
The Point-to-Point Tunneling Protocol (PPTP) can be used to implement virtual private networks over IP-based networks such as the Internet. It is an extension of the Point-to-Point Protocol and is implemented in many operating systems. Due to known vulnerabilities, PPTP is no longer considered secure today. Secure communication plays a vital role in safeguarding our … Read more
Security by Design is a design concept applied in hardware and software development. The security of hardware or software is already considered in the development process and integrated into the complete life cycle of a product. Design criteria include, for example, minimizing the attack surface, using encryption and authentication, and isolating security-relevant areas. Security is … Read more
Common Vulnerabilities and Exposures (CVE) is a standardized list of vulnerabilities and security risks of computer systems. Thanks to the unique naming, the exchange of data about vulnerabilities and security risks is simplified. Sequential numbers uniquely identify the various entries. In the ever-evolving landscape of cybersecurity, vulnerabilities pose a significant threat to the integrity and … Read more
IT governance is an essential part of corporate governance and is the responsibility of management. IT governance is used to ensure that IT optimally supports corporate goals and corporate strategy. Information technology (IT) plays a crucial role in the success and efficiency of businesses. However, the increasing reliance on technology also brings forth various challenges … Read more
A public key infrastructure (PKI) is a security infrastructure that provides services for the secure exchange of data between communication partners. With the help of the PKI, certificates and the affiliation of public keys can be verified. What is PKI? PKI stands for Public Key Infrastructure. It is a framework of technologies, policies, and procedures … Read more
The Certified Information Systems Security Professional (CISSP) certification provides IT professionals with evidence of comprehensive knowledge in the area of IT security. The certification was developed by the Information Systems Security Certification Consortium (ISC)². To obtain the certification, theoretical knowledge and practical experience must be demonstrated. Cybersecurity plays a critical role in safeguarding sensitive information … Read more
With the help of a command-and-control server, botmasters control the infected computers of a botnet. Commands can be sent to individual or all computers, for example, to launch distributed denial of service (DDoS) attacks. Receiving data from the botnet computers and other activities are also possible. The number and structure of networking of C&C servers … Read more
Businesses face an ever-growing number of sophisticated cyber threats that can compromise their sensitive data, disrupt operations, and damage their reputation. To combat these threats, organizations require advanced security solutions that go beyond traditional approaches. One such solution gaining prominence is Extended Detection and Response (XDR). In this article, we will explore the concept of … Read more
Threats are everywhere in today’s world. From cyberattacks to natural disasters, organizations and individuals face a wide range of risks that can disrupt operations, cause financial loss, or harm people’s well-being. In order to effectively protect themselves, it is crucial to have a clear understanding of potential threats and develop strategies to mitigate them. This … Read more
The guideline VdS 10000 contains specifications and offers concrete assistance for the implementation of an information security management system, especially for small and medium-sized enterprises (SMEs). It also describes concrete measures that can be used to secure the IT infrastructures of these companies in order to achieve an appropriate level of protection. VdS 10000 replaces … Read more
IT Risk analysis takes a systematic approach to identifying and assess risks. In the IT environment, risk analysis deals with risks around IT systems, IT applications, and data. Example risks are loss of data or loss of function. Risk analysis is an essential component of the information technology (IT) industry that helps organizations identify and … Read more
Advanced Persistent Threat is the term for a sophisticated persistent cyber threat. Attackers have the deep technical expertise and employ elaborate methods or tools. They are organized or state-driven. Targets of an APT are typically large enterprises, government agencies, or critical infrastructure operators. The focus of the attack is to obtain sensitive, valuable or secret … Read more
A domain controller is a central instance of a network domain that manages and controls its objects as well as user rights and roles. It is a server that has been set up as a domain controller by the administrator. Users who want to log in and access objects in a domain contact the controller … Read more
Metasploit is an open-source project that provides, among other things, the Metasploit framework. It contains a collection of exploits that can be used to test the security of computer systems. Metasploit can also be misused as a tool for hackers. Metasploit is a powerful and versatile penetration testing framework that has become an essential tool … Read more
What is RFID? Radio-Frequency Identification (RFID) technology has revolutionized the way we track and manage information, assets, and inventory. It is a versatile technology that uses radio waves to identify and track objects, people, or animals. This technology has gained immense popularity and has found applications in various industries. In this guide, we will explore … Read more
Quantum computers are at the forefront of cutting-edge technology, promising to revolutionize the way we process and solve complex problems. Unlike classical computers that rely on bits, quantum computers leverage the principles of quantum mechanics to work with quantum bits or qubits. This unique approach opens up a world of possibilities, allowing quantum computers to … Read more