Blog

30.08.2021

Trojan Horses: From Ancient History to Modern Threat

In January of this year, the Trojan horse (or simply trojan) known as Emotet was disrupted thanks to a coordinated international effort, which included authorities from both sides of the Atlantic. Since originating as a banking trojan in 2014, it has gone on to wreak havoc across millions of devices. It was even developed into an ‘attack for hire’ service offered to other criminal gangs...

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26.07.2021

Measuring Cybersecurity Awareness Training: Methods and Motivations

I am sure we are all familiar with the scenario: You want more funding for a project, funding that will contribute to a positive outcome for the company if invested correctly, but you face stiff resistance from the powers that be. It comes down to money, pure and simple. How much do they have to put in...

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21.07.2021

Ransom Attack on Colonial Pipeline

There is an increasing trend of cybercriminals "kidnapping" data and holding it to ransom. This is achieved by encrypting stolen data and only releasing it after the extortionists' demands are met. Another component of this crime is threatening to publish the victims' sensitive data if they do not cooperate and pay the ransom. A current example of this taking place in the USA...

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16.07.2021

REvil Ransomware

A new hacking group is currently making a name for itself internationally: REvil, or Sodinokibi. The group first emerged in spring 2019, and they appear to be a successor to the group behind the GandCrab ransomware. GandCrab was one of the most effective ransomware campaigns of 2018 to mid-2019. Ransomware is a form of malware installed...

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17.06.2021

How an attentive employee prevented a cyberattack on the drinking water supply in Oldsmar, Florida

In early February this year, the 15,000 residents of Oldsmar, Florida, escaped having their drinking water poisoned because an employee noticed suspicious activity and prevented it from...

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09.10.2020

Creating secure passwords

What would you say if asked whether you think your password is secure? No? Then there is an urgent need to take action to remedy this. Every year, number combinations such as 123456 top the list of Germany's most frequently used passwords....

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26.08.2020

Hash Functions and Information Security

Some things we miraculously find all around us once we have discovered them, even though we never noticed them before. Hash functions are a good example of this. They are an important ingredient...

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