Network segmentation is the practice of subdividing a network into functional domains and limiting the communications between those domains. For example, an enterprise might create separate segments ...

Leeron is a New York-based writer who specializes in covering technology for small and mid-sized businesses. Her work has been featured in publications including Bankrate, Quartz, the Village Voice, ...

Good network segmentation is a highly recommended network security practice that requires a firewall policy known as an allow-list or whitelist. How should you go about implementing it? What is ...

One of the most buzzworthy terms in cybersecurity right now is the high-concept, somewhat cryptic construct called zero trust. In a nutshell, it’s designed to strengthen and tighten cybersecurity ...

For many of us, news about geopolitical upheaval is of purely academic interest. But, for network architects at companies with global networks, it means the need -- or potential need -- to rapidly ...

The 2025 Cisco Segmentation Report, with 1,000 respondents, was released last month and has prompted me to think more deeply about the evolution of the decades-old cybersecurity concept and how it ...

The new release of Forescout's 4D platform uses a zone modeling approach to group devices, relying on device identity rather than network location. Network segmentation is a foundational security ...

Most enterprise networks have segmentation on the roadmap. Many have had it there for years. A survey of 400 U.S.-based network security practitioners who lived through failed segmentation projects ...