It was a time filled with drama: Just before Christmas 2021, a security vulnerability called Log4j kept cybersecurity experts on tenterhooks around the world. Including those at Siemens. Stefan Ludwig, the Chief Cybersecurity Officer at Siemens Financial Services, was in the middle of the action. In our podcast series, Ludwig explains how his team overcame the threat. In the conversation with moderator Andreas Kleinschmidt, he also talks about the cybersecurity challenges that the financial industry in particular faces and about the security measures that will play a key role in the future.