
MACsec Explained: Everything You Need to Know
MACsec (Media Access Control Security) is an Ethernet security standard that encrypts and authenticates data in motion at Layer 2 of the OSI model, protecting traffic as it moves between directly connected devices. In this blog, we’ll explore what MACsec is, how it works, how it compares to higher-layer security approaches, and why it is essential for modern Ethernet-based systems.





