Network

Hyper-converged systems: More order in IT?

Hyper-converged systems: The compact data center

The traditional data center could be significantly streamlined by migrating to a hyper-converged system. By eliminating the need for highly complex infrastructures and multiple work areas, the company’s IT department could function more efficiently, dynamically, and cost-effectively. This is made possible using preconfigured standard hardware and a complete virtualisation of the IT infrastructure....

Fog computing

Fog computing: decentralised approach for IoT clouds

Traditionally, cloud solutions are designed for central data processing. IoT devices generate data, send it to a central computing platform in the cloud, and await a response. However, with large-scale cloud architectures, such a system inevitably leads to bandwidth problems. For future projects such as connected cities and smart manufacturing, classic cloud computing is a hindrance to growth. The...

Edge computing

Edge Computing – Calculating at the edge of the network

Autonomous cars, intelligent factories and self-regulating supply networks – a dream world for large-scale data-driven projects that will make our lives easier. However, what the cloud model is and how it works is not enough to make these dreams a reality. The challenge of effectively capturing, evaluating and storing mass data requires new data processing concepts. With edge computing, IT...

What is a DDNS (dynamic DNS)?

Dynamic DNS (DynDNS): making remote control easier

Being able to access your home computer from another location is no longer a complicated matter thanks to remote connection. It is handy to be able to use your computer from the office and swap files. But IP addresses change often and this throws a spanner in the works. DynDNS (DDNS) services are the solution. In this article, we explain what these are and how you can access your computer via the...

Social engineering – the security gap at ‘layer 8’

Social engineering: human vulnerability exploited

The most effective system break-ins often happen without a scene. Instead of disrupting central network devices with DDoS attacks or sneaking through onto operating systems with Trojan horse techniques, hackers increasingly try to exploit the human security gap. There are various such methods that fall within the broader category of social engineering: a technique that sees hackers gather publicly...

DNSSEC – authenticated name resolution

DNSSEC: internet standards for authenticated name resolution

Without the Domain Name System, users of the World Wide Web would have serious problems when trying to load websites and other online presences. It’s only thanks to this system that internet addresses appear in their trusted text format: they’re actually nothing more than combinations of numbers. The communication between browser and name server responsible for this isn’t actually as secure as you...

The best WhatsApp alternatives

The best WhatsApp alternatives

Invitations to dinner parties; updates about work; an away day with your Sunday football team: if you’re not using WhatsApp, you run the risk of missing out on important information. With more than a billion worldwide users to date, the app is more popular than almost any other on the market. But this networking comes with its disadvantages too: the main one being that WhatsApp shares user data...

The different network types

Network types at a glance

When several computers are connected to one another it is known as a network. Networks enable data exchange between different devices, making shared resources available. Different network types are implemented depending on which transmission techniques and standards are used. These differ in terms of the number of connected systems and potential reach.

How companies use social selling

Social selling: business relations on the social net

Purchasing decisions are rarely made out of the blue. Customers usually go through a decision-making phase, during which it’s up to the company to convince the customer of their need for the product. This is most effective when you present yourself and your products as trustworthy and honest as possible – particularly on social networks, where your target group conducts research, asks for...

SQL injection: Fundamentals and safeguards

SQL Injection: Protect your database system

There are daily reports on how security gaps in applications are exploited – because hardly a day goes by without a new gap being discovered or a known gap being closed. One attack method, which has always been based on exploiting such weak points, is called SQL injection. But what is actually hidden behind the malicious database exploitation and how can you protect your database system from it?


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