Explore the complex relationship between public cloud services and critical infrastructure in this thought-provoking conference talk from Security BSides San Francisco. Delve into case studies that illustrate both the potential for long-term partnerships and the risks of fatal attractions in this cross-domain technology flirtation. Examine the challenging questions surrounding the definition of critical infrastructure and the appropriate level of security measures. Gain insights into the interdependencies, both hard and soft, between these two crucial technological domains and consider the implications for future developments in cloud computing and infrastructure security.