Layer 2 of the OSI model is where we find the Data Link Layer, which provides the mechanism by which data is transferred from node to node across a network. What makes this layer important is that it ...

A couple posts ago, we talked about Layer 1 of the OSI Model — the Physical Layer. Today, we’ll start our climb up the Model with a visit to Layer 2, the Data Link Layer. The Data Link Layer is one of ...

A tutorial on the Open Systems Interconnection (OSI) networking reference model plus tips on how to memorize the seven layers. The Open Systems Interconnect (OSI) model is a conceptual framework that ...

It isn’t often that old hacking methods make significant news, but an ARP attack received widespread attention earlier this week, more so for the perceived target than for the actual attack itself. In ...