A lot has changed since the creation of the Open Systems Interconnection (OSI) model. The OSI model dates back to the mid-1970s, designed to serve as a common basis for…
Browsing CategoryNetwork Security
The OSI Model and You Part 5: Stopping Threats at the OSI Session Layer
In our journey through the Open Systems Interconnection (OSI) seven layers of networking, the OSI session layer is a gatekeeper that manages the connection between applications. In other words, we…
The OSI Model and You Part 4: Stopping Threats at the OSI Transport Layer
As we’ve talked about in the rest of this series, there are several ways to use the Open Systems Interconnection (OSI) seven layers of networking model to help us secure our…
What is Network Detection and Response and Why is it So Important?
Networks are the foundation of today’s connected world. They allow millions of people, devices, apps and systems to talk with one another every minute of the day. Without networks, modern…
The OSI Model and You Part 3: Stopping Threats at the OSI Network Layer
Networking models help us understand the ‘lay of the land’ when it comes to protecting the network. In our journey through the Open Systems Interconnection (OSI) framework, we’ve arrived at…
The OSI Model and You Part 2: The Data Link Layer
If the physical layer we talked about earlier in this series about OSI layers is the ‘what’ that allows data to travel, the data link layer is the ‘how.’ In the…
The OSI Model and You Part 1: Stopping Threats on the OSI Physical Layer
The Open Systems Interconnection (OSI) model is one of the many useful tools we can use to stop cybersecurity threats. This long-standing standard separates a network into seven layers, offering suggestions…
Private LTE or 5G: Which Is More Secure?
Employees using mobile devices for work is nothing new. From health care workers using them for patient care to a salesperson checking work email in an airport, most of us…
Adopting Microsegmentation Into Your Zero Trust Model, Part 1
The idea to discuss microsegmentation and zero trust came to me while reading cybersecurity articles over cellular data as I was waiting in line one day. And, I wrote this…
How VPNs Are Changing to Manage Zero Trust Network Access
What do a growing number of cyberattacks, emerging tech, such as artificial intelligence, and cloud adoption have in common? They’re all helping fuel the rise of zero trust. Zero trust network…