<ul data-eligibleForWebStory="false">10Base-T1S is a new standard for 10Mbit/s Ethernet over a single twisted pair.Adoption of T1S in automotive and industrial fields aims for cost-efficiency and standardization.MACsec protocol is crucial for securing T1S physical wires in remote locations.Open Alliance promotes T1S use and works on defining MACsec network security profiles.Efforts are ongoing to ensure efficient MACsec implementation for T1S applications.