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Matthias Klassen

My foundation is penetration testing – I know how attackers think. Together with my team of penetration testers, we've worked through complex security landscapes to find vulnerabilities before they can be exploited. My goal is to help companies systematically manage their cyber risks.

Symbolic image Security Event Berlin

3 min read

AI in Cybersecurity: Insights from MySecurityEvent Berlin 2026

Over the past few days, I had the opportunity to take part in the MySecurityEvent in Berlin and I have rarely experienced a security event that was...

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Cloud Locations and Security

6 min read

Cloud Adoption in German Companies: Opportunities, Risks, and Data Sovereignty

Digitalization is advancing - and with it the use of cloud services. Whether Microsoft Azure, Jira or AWS: many companies in Germany rely on...

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