Inside Visa’s Cyber Defense: CISO Subra Kumaraswamy on blending AI and Human Defense

In this episode of Cyber Sessions, Visa CISO Subra Kumaraswamy takes us inside the company’s 24/7 Cyber Fusion Centers, where AI-driven defenses block 90 million attacks and 11 million phishing emails each month. He shares how his team achieves “zero breach, zero disruption” across 200+ countries—and what lessons other security leaders can learn from Visa’s global