Encryption

Penetration testing – the complete network check

The more complex a network is, the more vulnerable it is to attacks. In times when customers and partners have access to internal network structures via the internet, and can control various applications via web interfaces, IT employees are encountering more and more problems. Large companies, in particular, prefer to use penetration testing to check how well their security concept works. This [...]   

Honeypots: IT security through decoy programs

Businesses use IDSs (intrusion detection systems) and firewalls in order to keep attackers away from sensitive IT systems. These safeguards can be enhanced through so-called honeypots, which bait hackers to isolated network areas where more information on their attack patterns can be collected. Find out more here on how honeypots work and with which programs honeypots can be implemented for both [...]   

Web analytics and data privacy

Tracking tools can provide website operators with a useful indication on how to adapt an online project to suit a target group. These tools focus on user profiles, which reveal how users find the website, and which content provokes interactions. This information is based on user data, which can be subject to stringent data protection guidelines in some countries within the European Union. Find out [...]   

FileZilla: tutorial for the FTP client program

FileZilla is considered to be a standard software for transferring data between locally connected computers and online servers. The network protocol is able to transfer via FTP and its encrypted variants, SFTP and FTPS. We’ve created an overview of the client program’s features and break down the details of this program from installation to data transfer.   

Brute force attack: definition and protective measures

Being constantly faced with headlines about stolen passwords, it’s understandable that many users are concerned. Your best bet is to make your passwords as complicated as possible and have them consist of many different types of characters. But even this won’t help if it’s the actual log-in area that isn’t secure enough. Even today, attackers are still successful with the notorious and simple [...]   

What is a demilitarized zone?

Companies hosting their own websites, an online shop, or e-mail inboxes should make sure to separate the corresponding server of these from the local network. This makes it possible to protect devices within the company network from hacker attacks that take place on public networks. Solid protection comes in the form of a demilitarized zone, which separates endangered systems from sensitive [...]   

Hardware firewall: the more stable firewall solution

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?   

IPsec: security architecture for IPv4 and IPv6

A big problem with the previous Internet Protocol version, IPv4, was the missing guarantee of security standards of integrity, authenticity, and confidentiality. This previous protocol lacked the necessary means to identify data sources or enable secure transport. The protocol suite IPsec, developed for IPv4’s successor, IPv6, has changed the situation for Internet Protocol overnight.   

How to recognize and remove malware

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.