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What is a firewall?

Network World

Network-based firewalls have become almost ubiquitous across US enterprises for their proven defense against an ever-increasing array of threats. A recent study by network testing firm NSS Labs found that up to 80% of US large businesses run a next-generation firewall. What is a firewall? billion by 2020. billion by 2020.

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Hybrid mesh firewall platforms gain interest as management challenges intensify

Network World

As enterprise networks get more complex, so do the firewall deployments. There are on-premises firewalls to manage, along with firewalls that are deployed in virtual machines and firewalls deployed in containers. A firewall used to be a box or a chasse with multiple cards," says Omdia analyst Fernando Montenegro.

Firewall 147
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Cisco warns of critical vulnerability in virtualized network software

Network World

The worst of the vulnerabilities could let an attacker escape from the guest virtual machine ( VM ) to the host machine, Cisco disclosed. Multiple vulnerabilities have been discovered in Cisco's Enterprise NFV Infrastructure Software (NFVIS). To read this article in full, please click here

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Cisco hosts containerized firewall on Catalyst switches to protect mixed IT/OT networks

Network World

Cisco announced a containerized firewall package for its venerable Catalyst switch family that’s designed to help enterprise customers with mixed IT and OT systems more easily segment network resources and save money by consolidating network and security deployments.

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What Is SD-WAN (Software-Defined WAN)? Definition, Solutions, and Benefits

IT Toolbox

Increasingly used in large network setups, SD-WAN uses web-based tunnels, firewall software, and virtual technologies to connect remote endpoints. The post What Is SD-WAN (Software-Defined WAN)? Definition, Solutions, and Benefits appeared first on Spiceworks.

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FireEye: Purpose-built, Virtual Machine-based Security Platform

CTOvision

For an overview from Dave Dewalt, CEO of FireEye, see the video at this link and below: Here is the gist of what they do: FireEye has invented a purpose-built, virtual machine-based security platform that provides real-time threat protection to enterprises and governments worldwide against the next generation of cyber attacks.

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On Network Virtualization and SDN

Scott Lowe

Is there a difference between network virtualization and Software-Defined Networking (SDN)? So, in a similar fashion to my post on network overlays vs. network virtualization , I thought I’d weigh in with some thoughts. With this definition in hand, let’s compare network virtualization to SDN.