Free Guide: Better Prompting – How to Use ChatGPT & Co Correctly
24. September 2025
We all work with computers on a daily basis. But very few of us know what to do in the event of a cyberattack. Find out with our guide.
Useful information on cyber security, data protection and much more
Our cybersecurity guides for SMEs provide practical tips, clear instructions, and easy-to-follow how-tos on IT security and data protection. We show you how to identify common risks, avoid security pitfalls, and protect your systems effectively.
From simple measures to structured security strategies, you’ll find actionable recommendations tailored specifically to the needs of small and medium-sized businesses.
We all work with computers on a daily basis. But very few of us know what to do in the event of a cyberattack. Find out with our guide.
We are all constantly confronted with spam and phishing in our professional and private lives. We smile at some attack attempts – but others are so sophisticated that they are not recognizable as cyberattacks at first glance.
In our guide “The Ultimate Phishing Guide”, we summarize our expert knowledge in a practice-oriented way so that you can quickly and easily recognize any phishing email on the one hand and build your technical protective wall in such a way that phishing emails don’t get through in the first place on the other.
It became known that critical security vulnerabilities have been found in the email transport server software “Microsoft Exchange Server”. The Perseus emergency aid was particularly used during this time. All the insights gained, concrete instructions for the right course of action during and after an incident as well as helpful tips on what you can do to secure your company even better can be found in the current white paper from Perseus.
We all work with computers on a daily basis. But very few of us know what to do in the event of a cyberattack. Find out with our guide.
New malware is making sextortion a dangerous mass phenomenon in 2019. The Phorpiex malware connects numerous computers of unwitting users to a botnet that can send up to 30,000 extortion emails per hour. 27 million victims – private individuals as well as employees – can be reached via such spam campaigns. Blackmailed employees then endanger the systems, data and reputation of their employers through ignorance! In our guide Cyber Security in the Home Office, we have listed and explained the most important rules of conduct and precautions so that you can protect yourself properly.
Financial damage from phishing emails and websites, viruses or Trojans continues to increase every year. Medium-sized companies in particular – and many entrepreneurs do not want to admit this – are under enormous threat. This is because many small and medium-sized companies believe that they are too insignificant for a hacker attack. Far from it! It is precisely this ignorance that the attackers exploit.
