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John Bolger is a seasoned cybersecurity professional with extensive experience in various sectors, including aviation, civil nuclear, and IT security. Currently serving as a Senior Cyber Security Consultant at Ascentor Ltd since March 2021, John specializes in cyber security for aircraft systems, ICT and ICS systems, and information assurance. Previous roles include positions at 3SDL Ltd, Capgemini, ARCANUM Cyber Security, Horizon Nuclear Power, and Atkins, where John focused on risk assessment, business continuity, disaster recovery, and compliance with various security standards such as ISO 27001 and HMG policies. John's background also includes consultancy for the Ministry of Defence and contributions to cybersecurity frameworks across multiple organizations.