Encryption

Rainbow tables
What are rainbow tables?
  • Security

Rainbow tables: they may sound innocent, but they’re actually a strong attack method for cybercriminals. Using rainbow tables, you can find out specific passwords in just a few seconds. To protect yourself and your users from such attacks, you should understand how the tables function. We explain rainbow tables using an example.

What are rainbow tables?
Public key encryption
What is Asymmetric encryption?
  • Security

If you want to secure your digital data with the best possible protection, there is no getting around the issue of encryption. For example, asymmetric cryptography plays an essential role in secure data transfer. Here, you will learn how it works, how it is different from traditional symmetric encryption, and where it is used.

What is Asymmetric encryption?
Man-in-the-middle attack: an overview of attack patterns
Man-in-the-middle attack
  • Security

A man-in-the-middle attack is a deceitful espionage attack which aims to listen, record, or manipulate sensitive data being sent between unsuspecting internet users. To do this, hackers rely on methods that enable them to position themselves, unnoticed, between two or more computers communicating with one another. We introduce you to some well-known attack patterns and countermeasures that can be...

Man-in-the-middle attack
IP Spoofing: Fundamentals and counter-measures
What is IP Spoofing?
  • Security

Sending data over networks is one of the most important and highest utilized functions of the modern computer era. But the structure of the necessary TCP/IP connections makes it all too easy for criminals to intercept data packets along their way and either view or alter their contents. One of the most common methods of attack is IP spoofing, which allows DoS and DDoS attacks, among other things...

What is IP Spoofing?
How to recognize and remove malware
What is Malware and how to prevent it
  • Security

Practically every PC user fears Trojan horses and computer viruses. Security is paramount if you are managing sensitive data or setting up a server. You need a comprehensive security concept to protect yourself against insidious malware. It’s helpful to know the different types of malicious software that exist, and how to combat and safely remove them.

What is Malware and how to prevent it
How to Protect Access to your Cloud
How to use cloud services securely
  • Security

In the digital age, we are increasingly resorting to cloud services: At work, people collaborate on projects together in the cloud, and in their free time, they share photos from their last vacation. At the same time, cloud storage is by no means free from security risks. The multi-cloud environments of larger companies, in particular, are becoming a challenge for cloud security. Here, we will...

How to use cloud services securely
Hardware firewall: the more stable firewall solution
What is a Hardware Firewall?
  • Security

Most computer users are at least aware of the term firewall. When activated, they help protect computers. But announcements about blocked applications can become a source of irritation for many users, especially when the background information for such messages is unknown. But how do firewalls work? And what role do hardware firewalls play in protecting your computer?

What is a Hardware Firewall?
Encryption software
Encryption software and tools in comparison
  • Security

A good encryption software keeps your data secure. It enables you to easily protect a folder, hide hard drives, or sync encrypted data to a cloud, for example. Find out more information about recommended encryption tools and what they do, and get an overview of their advantages and disadvantages in our dedicated article.

Encryption software and tools in comparison
Encryption methods: An overview
Encryption methods
  • Security

E-mail, instant messaging, or voice-over IP: If you want to communicate over the internet, you should make sure that the data transfer process can be trusted. The same goes for the World Wide Web. With online banking and digital shopping, money transactions are increasingly being carried out online. Popular encryption methods like DES, AES, or RSA should guarantee the security of passwords, credit...

Encryption methods
Cyberattacks
What is a Cyberattack and how to prevent it?
  • Security

Cyberattacks threaten individuals, companies, and public authorities alike. Criminals are always coming up with new techniques to cause as much damage as possible. The motives behind their actions vary from greed to political goals. So how can you protect yourself against cyberattacks? Our article tells you everything you need to know.

What is a Cyberattack and how to prevent it?