Knowledge base

Explanations of terms and information from the world of IT security

Our knowledge database provides you with valuable information on various topics in the field of IT security. Learn which dangers exist and how you can specifically counter these threats to ward off CEO fraud, ransomware, phishing and the like. In addition, you’ll find an overview of relevant terms in the field of information security.

IT Security

Whenever an organization communicates online and stores and transfers data and information, it must ensure its IT security. But what exactly is this?


The term malware is used to describe all kinds of malicious software. The focus here is on malware that is loaded onto the device in order to cause damage.


What is Emotet? And how can I protect myself from Emotet? Measures to protect against the most dangerous malware Emotet.

Brute-Force attacks

A brute-force attack is a trial-and-error method used to obtain information such as passwords or other access codes. Here, the attacker tries a variety of …

Computer Virus

What exactly is a computer virus? What are the chances of eliminating one? And what kind of protection is really effective against them?

Cryptolocker Ransomware

The cryptolocker ransomware was a polymorphic virus, which was used to encrypt computer systems. The only option affected …


Insidiously, as in the famous mythology, a Trojan horse attacks computers, steals data and damages the system.

DDoS Attack

The abbreviation DDoS stands for Distributed Denial Of Service. A DDoS attack is a type of DoS attack in which several hijacked systems are used to carry out an attack against the target system.

Ransomware Kill Chain (1)

Why is ransomware not a typical cyberattack? Normally, the data theft remains undetected. This is especially true when the systems …

Ransomware Kill Chain (2)

How to use the Ransomware Kill Chain model to devise countermeasures? The Ransomware Kill Chain using Wanna Cry as an example …


The word “ransomware” comes from the English language and contains the term “ransom”, which means “held hostage for money”…


Phishing is an electronically executed fraud attempt in which the recipient is sent a fake e-mail that he often does not recognize as such at first…

Crypto Mining

With the establishment of cryptocurrency, the era of a new means of payment has been ushered Crypto Mining in. To better understand the miners’ gold rush, we have summarized the most important facts.

Social Engineering

Even with the best technical security precautions, every company has a risk factor that is difficult to control: the human one. What exactly is social engineering and how can you protect yourself?

Computer Worm

A computer worm is a malicious program that reproduces itself as it spreads to as many computers as possible. This makes the it particularly dangerous for companies.

Cyber Kill Chain

To identify and combat attacks along the Cyber Kill Chain in time, you need to understand the strategies of the criminals …

Spear Phishing

Spear phishing is a cyber attack with extremely malicious intent that is derived from traditional phishing. In a conventional phishing attack, the target persons fall randomly into the attacker’s grid.


GoBD are the Principles for properly maintaining, keeping and storing books, records and documents in electronic form and for data access, as provided …

Business Email Compromise (BEC)

Business Email Compromise (BEC) is characterized according to its different forms. In addition to compromising an employee’s email account, methods such as spear phishing or CEO fraud are also used, the latter being preferred by criminals for gaining access to confidential company information or money.


Today, encryption is mainly thought of as an IT term, because data, e-mails, computers etc. are encrypted. But that was not always so. Encryption actually has its origins back in the year 480. And until a few years ago, encryption was primarily used in espionage or in top-secret government communications.

The most important IT news. Read our latest blog posts