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 Layer 2 Tunneling Protocol (L2TP) represents an evolution of PPTP and L2F and is standardized in various RFCs. With the Layer 2 Tunneling Protocol, protocols of the data link layer (Layer 2) of the ISO/OSI layer model can be tunneled over IP networks. Together with IPsec, it can be used for secure VPN connections. … Read more
Bring Your Own Key describes a concept for the encrypted storage of data on the platform of a cloud provider. It is not the provider who generates and manages the necessary key material, but the user or customer. BYOK offers a higher level of security. For even greater security, concepts such as BYOE (Bring Your … Read more
The Certified Cloud Security Professional is a certification from (ISC)². The certification is aimed at people who work in the cloud and IT security environment. With certification, they demonstrate in-depth knowledge of cloud security of various topics. For the CCSP, proof of several years of experience in various cloud topics is required. As the world … Read more
Intrusion detection or intrusion prevention system (IDS / IPS) is a security solution that monitors a network or a network component such as a server or a switch and attempts to detect rule violations and harmful incidents such as hacker attacks, which are then partially averted automatically. We show how IDS and IPS differ and … Read more
Have you ever wondered how devices on your home network can connect to the vast world of the internet? Or how companies manage to conserve public IP addresses while still enabling communication between their internal networks and the outside world? The answer lies in a fundamental networking technology called Network Address Translation, or NAT. In … 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
In today’s digital landscape, network security plays a crucial role in safeguarding sensitive information and ensuring the smooth functioning of business operations. With the rise of cloud computing, organizations are increasingly adopting cloud platforms like Microsoft Azure to host their applications and data. One essential component of securing network traffic in Azure is the Network … 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
In today’s interconnected digital world, the term “botnet” has gained notoriety as a formidable threat to online security. But what exactly is a botnet? In simple terms, a botnet refers to a network of compromised computers, also known as “bots” or “zombies,” controlled by a malicious actor, the botmaster. These networks can consist of thousands … 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