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There is a desire to realize cybersecurity in the domain of maritime robotics as it relates not only to the secure engineering of cybersafe unmanned systems from end-to-end, but also as it applies to the development of advanced autonomy architectures on forward deployed systems. This work explores a popular maritime autonomy architecture, MOOS-IvP, and its internal connection points with the intent of proposing and demonstrating more secure interprocess communications in an embedded computing environment.