Information security in Naval shipboard platforms is becoming increasingly important with the move towards distributed computing, increased automation, and Commercial Off The Shelf (COTS) systems. Additionally, there are hard real-time requirements that must be met in a combat system, which is a critical component of the total shipboard platform. Information security services and real-time services are sometimes required simultaneously. However the real-time requirements and the security requirements conflict with one another. NSWC-DD has initiated testing of a security enhancement for the Internet Protocol, IP Security (IPSEC) in a distributed real-time environment. This paper provides a brief overview how IPSEC may be used in the platform of interest and the impact of implementing IPSEC within the kernel of the workstation operating system.