Other tips in this series have examined the seven-layer OSI model from the perspective of security. Although security was not the No. 1 goal of the designers of the OSI model, the idea behind these ...

Morey Haber, Chief Security Advisor at BeyondTrust, is an identity and technical evangelist with over 25 years of IT industry experience. Recently, I was reminiscing with a colleague about unique ...

Not long after you begin to work in computing, the truth of Murphy’s Law — “What can go wrong, will” — becomes apparent. As you move on to networking, you realize the reality of Murphy’s Law of ...

Whether it’s wired or wireless, most data communications today happens by way of packets of information travelling over one or more networks. But before these networks can work together, though, they ...

Network protocols are formal standards and policies consisting of rules, procedures, and formats that define how data is exchanged over networks. They ensure that devices can communicate effectively, ...

What is a network protocol? Most textbook writers state something like this: A network protocol is a set of guidelines or standards for the operation of network devices, the methods of operation, and ...