Defending by Attacking by Federico Kirschbaum

December 28, 2025

In this webinar, Federico Kirschbaum, Founder and VP of Research & Development at Faraday, shared a practical perspective on offensive security and the value of understanding how attackers think.

Throughout the talk, he emphasized the importance of prioritizing vulnerabilities (not all of them are exploitable), mapping an organization’s real attack surface, and leveraging open data and tools to identify risk. He also presented concrete examples, ranging from catalogs of commonly exploited vulnerabilities to leaked credentials and phishing techniques that remain highly effective.

Federico highlighted the need for security teams to focus on what truly represents critical risk, rather than getting lost in noise and low-value metrics. By showcasing free tools, standards such as security.txt, and accessible practices, he demonstrated how it is possible to raise an organization’s security maturity regardless of budget. The conclusion is clear: the most effective defense comes from seeing what attackers see—and acting before they do.

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