Episode #15: From Marine to Cyber Leader: Tom Brennan on Modern Security

As Veterans Day approaches, we’re honored to feature a guest whose path reflects the discipline, service, and commitment that strengthen our cybersecurity community every day.In this episode, Tom Brennan shares how his early experiences in the U.S. Marine Corps shaped his attacker mindset, informed his approach to risk, and prepared him for a career focused on real-world defense and cyber resiliency. Tom also joined us this past June as one of our valuable speakers at SECON 2025, bringing practical insights to our community.