Fig. 1: The 7-layer OSI model. Courtesy technology.blurtit.com. Fig. 2. Protocols within the layers. (Courtesy Acturus Networks) Security protocols can be implemented in just about any layer – either ...

The Open Systems Interconnection (OSI) model was developed in 1983 by the International Organization for Standardization ... Transport Layer.

The OSI model is the basis for most of the modern digital communications. Let’s dive into the seven layers of the OSI model and answers the billion-dollar question: how to protect the transmitted data ...

Thanks for your comments on my first EtherGeek post on understanding the OSI Model. I especially enjoyed learning new ways to remember the OSI Model; for example: Please Do Not Throw Stale Pizza ...

The third layer of the OSI Model, the network layer, is where most network engineers focus their time and expertise. As Darragh commented in my post on the data link layer , Layer 2 is cool but ...

The OSI model defines protocols for how a network technically handles communications at the various functional layers. Starting with electrons and photons at the physical layer (Layer 1), the ...

Network security is essential at every layer of the OSI model, including the mythical eighth layer, where users interact with technology. Since hackers can use social engineering to exploit people ...