In this episode of CXO Secrets, David McClelland sits down with Hammond Reddie, CISO of Spire Healthcare, to explore what it really takes to secure organizations operating in life-critical environments. Drawing on decades of experience across both the NHS and private healthcare, Hammond explains why cybersecurity is as much about culture and leadership as it is about technology. The conversation delves into building a speak-up culture that prioritises honesty over blame, reframing human error as a learning opportunity, and why trust is the most effective security control an organisation can have. Hammond also shares practical insights on cyber awareness education, influencing at board level, measuring cultural change, and preparing healthcare organisations for an increasingly hostile threat landscape. A must-listen for CISOs, CIOs, and senior leaders looking to strengthen cyber resilience by aligning people, culture, and security strategy—especially in sectors where the consequences truly matter.