Data Protection

E-mail account hacked: what now?

E-mail account hacked: what now?

E-Mail accounts are one of our most important communication tools: we use them to register for online portals, for private and business exchanges, and as an organiser and digital address book. It is therefore all the more important to make sure your account is well-protected. But what if your e-mail account does get hacked? Our guide explains what methods internet criminals use to gain access to...

Data mining: analysis methods for big data

Data mining: analysis methods for big data

The total amount of data generated worldwide increases by 40% every year. Many companies seek to make use of the constantly increasing mountain of data in order to increase their e-commerce business. But making use of such Big Data alone doesn’t add any value — enter data mining. Below you can find a discussion of the various analysis approaches involved in data mining, to give you an idea of how...

Introduction to netstat

What is netstat?

Various computer networks are connected with one another via the internet. In order to build up such connections, both the sending as well as the receiving systems have to provide transfer interfaces, or ports. Netstat allows you to find out which ports are opened by your own system and which active connections exist — all of this helps reduce the risk of undesired access attempts.

What is Big Data?

Big Data: definition and examples

When we shop online, book holidays, and search for gift ideas, we hardly give a second thought to the fact that each search entry leaves behind a trail of our identity. Busy web bots are never far behind and sweep up this information. The result of all of this is Big Data: massive volumes of data that is analysed and used for a variety of reasons. But is there reason to be wary of leaving behind...

Clearing the Cache

Clearing the cache: deleting the browser’s cache

Information is often cached so that visited website can be loaded quickly and videos and gifs can be viewed offline. However, if the cache contains a large, or very large amount of data, it can cause problems and adversely affect computer performance. Therefore, it makes sense to delete the cache from time to time.

Password security

Password security: This is why password protection is still a hot topic in 2019

Internet protection is something that affects all of us. All online services remind us daily of the importance of using strong passwords to protect our accounts, but how many internet users actually follow the security recommendations? And what are the most common errors and their solutions? GMX wanted to know what the reality is in the UK and these are the results.

Cloud Act

CLOUD Act vs. Data Privacy and Control

In its fight against terrorism and crime, the USA continues to add measures of protection, including the Patriot Act, Safe Harbor, Privacy Shield; and for over 16 months the US CLOUD Act. All these measures keep the debate on data protection and digital sovereignty alive, particularly for trade nations such as the UK.

clear cookies

Deleting cookies: how to clear stored data

Some cookies can be very helpful – they let you sleep on those impulse purchases and keep them from disappearing out of your shopping cart, or log into social media sites with just one click. But not all cookies make surfing the web easier, and some may even forward unwanted information to third parties. It is a good idea to learn how to clear cookies, and this guide will show you how to clear...

Terminal Servers – the Secret Behind Remote Hosts

Terminal servers: definition, basics, and advantages

In the days of mainframe computers and the first smaller networks, terminals were a crucial building block for sharing hardware and software resources. It is no coincidence that terminal servers – the central administrative entity of such networks – are in demand decades later, now that applications are to be made available to multiple users.

Allocating directory rights with chmod

What is chmod?

With Linux, access rights for directories and files are often set through the terminal where file owners can be defined and groups can be assigned. With the ‘chmod’ command, user classes can be assigned certain file rights. Access rights in the Unix file system can be changed in two different ways: symbolic or numeric. Find out more about both notation types here.


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