Arnold is a distinguished malware researcher at Morphisec, renowned for discovering new categories of malware, including the Jupyter and Chaos info stealers among others. His groundbreaking work has significantly advanced understanding and mitigation of emerging malware threats. Arnold has presented his findings at various BSides events throughout Europe, establishing himself as a knowledgeable and engaging speaker. His research continues to push the boundaries of cybersecurity, enhancing both Morphisec’s capabilities and the broader security landscape.