“This is not an easy subject to talk about. There are so many protocols, and terms have evolved—even the way the word ‘Ethernet’ has been used,” states John Ditter, input/output product specialist ...

The Open System Interconnect (OSI) network model, referred to by many as simply a stack, is in fact a well-designed, layered architecture for efficient intersystem and intrasystem communications. In ...

Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol, which resides at layers 3 and 4. To understand network communications, it is essential to learn about the ...

Peeling back the layers of IoT devices reveals most of them are nothing more than what are already on the Internet in the form of present-day M2M devices. In just six years, according to Cisco Systems ...

The latest in a long line of vulnerabilities in a key part of the networking stack threatens a major open-source operating system, printers and medical IoT devices. A set of vulnerabilities in TCP/IP ...

Security analysts at Forescout Research and JFrog Security Research have discovered 14 vulnerabilities in NicheStack, a proprietary TCP/IP stack used in a wide range of operational technology (OT) ...