SFTP (SSH File Transfer Protocol)

SFTP: The secure way to transfer data

Using SSH File Transfer Protocol (SFTP), you can transfer data bidirectionally within an authorised group of people in a particularly secure way. The transfer between the client and server takes place via an encrypted IP-based data tunnel. The basic File Transfer Protocol (FTP) has major security vulnerabilities, which were eliminated in the refined SSH File Transfer Protocol.

csrss.exe

csrss.exe: What’s behind the Client Server Runtime Process

What is csrss.exe? If you inspect the processes currently running on your Windows system, you’ll inevitably come across the csrss.exe process. Your system can’t run without it because it’s responsible for important tasks such as launching processes. If you suspect that the file might be a virus, it’s a good idea to inspect whether it’s the genuine csrss.exe file. But can you spot the difference?

Server Message Block (SMB)

SMB (Server Message Block): definitions, tasks, and applications

Sending data between computer systems usually takes users a matter of seconds. But for the devices involved to ‘talk’ to each other, it requires clear communication standards to be in place. These standards are defined by protocols like Server Message Block (SMB). Find out in the following article what the Microsoft protocol does and how it has changed over the years.

ECC RAM: memory solution for secure data

ECC RAM – the error-correcting code memory

Memory is one of the most important components of a computer system and is particularly important for processing large amounts of data. In addition to increasing the storage capacity, it is also necessary to guarantee the security of the data. Bit errors, for example, are one of the key foes that ECC RAM is battling against to protect the main memory. To date these error-correcting memory modules...

What is GAIA-X?

GAIA-X: the European digital project

Google, Amazon, Facebook, Alibaba, Tencent: Data infrastructure is dominated by a few large corporations, none of which come from Europe. GAIA-X aims to change that. German politicians, businesspeople, and researchers hope the project will strengthen the development of European digital projects, and increase the importance of transparency, data protection, and cloud independence.

What is DoS (denial of service)?

Denial of service: what happens during a DoS attack?

Denial of service attacks – also called DoS attacks – are a relatively simple and effective method for cyber criminals to bring down a website, email traffic, or an entire network. Besides businesses, institutions such as the German parliament or Wikipedia have been victims of these types of attacks. This has raised the question: What exactly is denial of service, and what happens during an...

PPPoE – Point-to-Point Protocol

PPPoE: DNS protocol

How exactly do you access the internet? Those who have a DSL contract, for example, first have to contact their internet provider’s node each time they connect. The provider checks the access authorisation and establishes the connection to the internet. The so-called “Point-to-Point Protocol over Ethernet” (PPPoE) is used for this purpose. But how exactly does this protocol work?

.exe File

What is .exe?

We regularly encounter the file extension .exe when using our computers. Normally we always use these types of files if we would like to launch a program. But what are .exe files and how are they used? We show you how you can securely open .exe files on Windows and Mac operating systems.

UEFI - Unified Extensible Firmware Interface

UEFI: a powerful interface for booting computers

New computers using Windows 10 today usually boot with a special interface. The Unified Extensible Firmware Interface (UEFI) provides new functions and options for administrators and users. To better understand and get the most out of this advanced boot technology, you will need to become familiar with the basics of UEFI.

NNTP - Network News Transfer Protocol

NNTP: What is the Network News Transfer Protocol?

As a global computer network, the Internet provides the perfect foundation for gathering and distributing information. The World Wide Web, the most well-known Internet service, convincingly proves this fact. The older Usenet benefits from the Internet’s global network as well. In order to be able to transfer data, it relies on the unique NNTP, which is the focus of this article.


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