Today's CXO Daily cybersecurity briefing covers escalating Iranian cyber threats targeting U.S. critical infrastructure, active exploitation of F5 and Citrix vulnerabilities, a disruptive healthcare breach at CareCloud, and a sophisticated supply chain ransomware campaign impacting global firms. We also break down a major shift in cybersecurity investment: AI-native development is compressing innovation cycles, driving record M&A activity, and creating winner-take-most dynamics that are forcing executives to rethink risk, resilience, and growth strategy in real time