Marcin Kleczynski
Founder and CEO of Malwarebytes, a cybersecurity company that grew from a teenager's project into a large, profitable business protecting millions of users; speaks about product strategy, company evolution, and AI-driven threats.
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Feb 23, 2026 • 1h 3min
The AI Era of Cybercrime: How Malwarebytes Is Evolving Its Security Stack | Marcin Kleczynski
Marcin Kleczynski, founder and CEO of Malwarebytes who turned fixing infected PCs as a teen into a global cybersecurity company. He discusses AI-driven scams and how defenders adapt. He covers product strategy shifts, splitting consumer and B2B paths, and reorganizing leadership to scale. He also talks about identity protection, automated attacks using AI, and the discipline of evolving ahead of threats.
Jun 25, 2018 • 26min
How fighting a computer bug turned into a vocation
Marcin Kleczynski, the Founder and CEO of Malwarebytes, shares his journey from battling a computer virus at age 14 to leading a global cybersecurity firm. He discusses how the freemium business model transformed from a volunteer effort into a lucrative company. Marcin reveals insights on adapting from remediation to prevention, scaling the business while in university, and fostering a strong remote culture. He emphasizes the importance of recruiting from the security community and maintaining a no-nonsense company ethos to innovate and succeed.
