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Exec: How SDN, SD-WAN, security fit in VMware’s strategy

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It has been just 10 months since Tom Gillis became VMware‘s senior vice president and general manager of its networking and security business, and in that time he has overseen some major changes in the company’s core products. Most recent is a milestone release of the company’s NSX-T Data Center software, making it VMware’s primary […]

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How blockchain will manage networks

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Ethernet networking technology is flawed, say some engineers. The problem is it doesn’t have any inherent security built in to it. Ethernet also hard to manage because it’s centralized. It’s out-of-date, and it needs revamping, researchers say. One attempt to address the issue is the Marconi protocol, which is a strategy to shift network and […]

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Cisco uncorks 26 security patches for switches, firewalls

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Cisco has bundled 25 security advisories that describe 26 vulnerabilities in Cisco NX-OS switch and Firepower FXOS firewall software. While the 26 alerts describe vulnerabilities that have a Security Impact Rating of “High,” most –23 – affect Cisco NX-OS software, and the remaining three involve both software packages. [ Also see What to consider when […]

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Cisco warns on HyperFlex security vulnerabilities

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Cisco this week identified two “High” security vulnerabilities in its HyperFlex data-center package that could let attackers gain control of the system.   HyperFlex is Cisco’s hyperconverged infrastructure that offers computing, networking and storage resources in a single system. More about edge networking The more critical of the two warnings – an 8.8 on Cisco’s […]

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That VPN may not be as secure as you think

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If you’re a VPN subscriber and have ever wondered just how secure the supposedly encrypted pipe that you’re using through the internet is — and whether the anonymity promise made by the VPN provider is indeed protecting your privacy— well, your hunches may be correct. It turns out several of these connections are not secure. Academics say […]

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SD-WAN creates new security challenges

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SD-WAN products have been available for the better part of five years. Early adopters of the technology focused primarily on transport-related issues such as replacing or augmenting MPLS with broadband. As any technology matures and moves out of the early adopter phase, the buying criteria changes — and SD-WAN is no different. In 2018, a […]

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National pen test execution standard would improve network security

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As the number of cyber attacks increases, the demand for penetration tests – to determine the strength of a company’s defense – is also going up. People are worried about their companies’ networks and computer systems being hacked and data being stolen. Plus, many regulatory standards such PCI and HITRUST require these tests to be […]

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DARPA explores new computer architectures to fix security between systems

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Solutions are needed to replace the archaic air-gapping of computers used to isolate and protect sensitive defense information, the U.S. Government has decided. Air-gapping is the common practice of physically isolating data-storing computers from other systems, computers and networks so they theoretically can’t be compromised because there is nothing connecting the machines. [ Also read: […]

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Build security into your IoT plan or risk attack

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The Internet of Things (IoT) is no longer some futuristic thing that’s years off from being something IT leaders need to be concerned with. The IoT era has arrived. In fact, Gartner forecasts there will be 20.4 billion connected devices globally by 2020. An alternative proof point is the fact that when I talk with […]