Florian Hansemann is an internationally recognized penetration tester and redteamer, for example, he was ranked among the top 21 security sources in the world by SentinelOne and Techbeacon in 2018 and 2019. He is also one of the most well-known experts in the field of offensive security with over 60,000 followers with his account @CyberWarship on Twitter. In addition to vulnerability scans and red teaming assessments, penetration tests are the core business of his company HanseSecure.