Intel's discontinued Omni-Path networking technology has been redeployed in a Department of Energy (DoE) supercomputer, achieving 400 Gbps performance but potentially reintroducing legacy security risks associated with its original design. The Lawrence Livermore National Laboratory system may be exposed to vulnerabilities in Omni-Path's fabric architecture, which could impact high-performance computing (HPC) environments relying on similar hardware configurations. Security implications include potential data exfiltration or denial-of-service attacks in shared network infrastructures.