Open source developer working for CISOfy. I'm the original author of Rootkit Hunter (rkhunter), a popular tool to scan Linux/Unix systems for the presence of malware and intrusions. In 2007 my new open source tool Lynis was born, helping administrators to harden their system defenses. Next big step was 2013, founding CISOfy, to support open source software, making it better step by step.
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