This discussion examines micro-segmentation and containment strategies to address modern cyber threats at the New York Stock Exchange. Andrew Rubin of Illumio is founder and chief executive officer and an industry leader in network micro-segmentation. Rubin discusses containment-focused security, the role of micro-segmentation in limiting blast radii, artificial intelligence-driven threat acceleration and dynamic quarantining, improvements in observability and how Illumio adapts product and delivery cycles to meet rapidly evolving threats; they emphasize practical approaches for critical financial and enterprise environments. Key takeaways include Rubin's argument that the traditional prevention-first model is breaking and that organizations must prioritize containment and recovery. Rubin asserts that micro-segmentation reduces blast radius and enables faster dynamic response. They also highlight improved observability and AI-assisted policy suggestions. theCUBE hosts reinforce the urgency for faster iteration balanced with reliability and a do no harm approach for high-stakes deployments.