Interdependency between public cloud services and critical infrastructure are both hard and soft. Will this cross domain technology flirtation lead to long term relationships or fatal attractions? We examine case studies supporting both scenarios and their complex conundrums if everything is critical, perhaps nothing is critical? How much security is enough security?

Bryan Owen is the cyber security manager for OSIsoft LLC (www.osisoft.com) a software company located in San Leandro, CA that builds systems for monitoring real time information principally of heavy industrial facilities and critical infrastructure providers.OSIsoft has since grown from a small software startup to a highly profitable global corporation that operates in 110 countries. It has, over 1100 employees worldwide with about 400 in San Leandro. Bryan helped pioneer use of Plant Information systems while a control engineer in 1985. Bryan's career at OSIsoft started officially in 1996 as a field service engineer where he travelled extensively to commission remote monitoring centers and deploy real time decision support infrastructure. This was "big data" for industry before the term was part of mainstream technology. Bryan later managed OSIsoft's engineering services for the Oceania region before returning the United States to focus on cyber security in the post 9/11 era. Bryan is Microsoft certified and a State of Washington Professional Engineer holding a Bachelor of Science in Chemical Engineering from Oregon State University (1981).

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