Listen carefully. The top level of the OSI Reference Model and the IETF protocol stack is the application layer. The application layer, however, doesn’t do applications. It provides services such as ...

I am the biggest defense-in-depth supporter there is, but deep defenses don’t obviate the need to protect the perimeter. This year, we’re going to see a lot of action from security vendors trying to ...

Modern software applications are underpinned by a large and growing web of APIs, microservices, and cloud services that must be highly available, fault tolerant, and secure. The underlying networking ...

Traditional methods of protecting IT networks and data, including firewalls, zero trust and two-factor authentication involving verification on the same device twice, are failing to provide essential ...

Monique Danao is a highly experienced journalist, editor, and copywriter with an extensive background in B2B SaaS technology. Her work has been published in Forbes Advisor, Decential, Canva, 99Designs ...

The problem with today's hodge-podge of technologies is that it doesn't allow an end-to-end view, which is becoming especially critical since mobile users and cloud-based applications are on different ...

Welcome! Throughout this course, Network Systems Foundations, you will delve into the fundamental layers of network communication. You will start with a thorough discussion of the Link Layer and its ...

Application layer attacks have been with us since the first internet-facing applications. However, a recent survey showed 89% of respondents admitted to an application attack in the past year.

We have now met the archenemy of networks, Mr. Murphy, as he cackles “What can go wrong, will,” in the introduction to failure modes and the discussion of failure modes at the physical and data link ...

"Simple Network Management Protocol (SNMP) is the protocol governing network management and the monitoring of network devices and their functions. It is not necessarily limited to TCP/IP networks." To ...