Tim Greene

Executive Editor

Tim Greene is executive editor of Network World.


Study: Most enterprise IoT transactions are unencrypted

Study: Most enterprise IoT transactions are unencrypted

A Zscaler report finds 91.5% of IoT communications within enterprises are in plaintext and so susceptible to interference.

Russia demands access to VPN providers’ servers

Russia demands access to VPN providers’ servers

10 VPN service providers have been ordered to link their servers in Russia to the state censorship agency by April 26

DoE plans world's fastest supercomputer

DoE plans world's fastest supercomputer

Aurora, the planned Department of Energy supercomputer, will be three powers of 10 faster than the current fastest supercomputer when it is delivered to Argonne National Laboratory in 2021.

What is a firewall? How they work and how they fit into enterprise security

What is a firewall? How they work and how they fit into enterprise security

Network firewalls were created as the primary perimeter defense for most organizations, but since its creation the technology has spawned many iterations: proxy, stateful, Web app, next-generation that are explained here.

Tech calendar 2018-19: Upcoming events of interest to IT pros

This technology-events calendar is sortable and updated weekly to provide details for IT pros interested in learning more about technology and networking with their peers.

IBM says buying Red Hat makes it the biggest in hybrid cloud

IBM says buying Red Hat makes it the biggest in hybrid cloud

$34 billion deal scheduled to go through sometime in the second half of 2019

What is a private cloud? [ And some things that it's not ]

What is a private cloud? [ And some things that it's not ]

Here's a clear definition of private cloud that should help lift some of misconceptions about what private cloud is and is not, and reaffirm that private cloud is definitely not dead.

Cisco adds new capabilities to its IBN infrastructure

Cisco adds new capabilities to its IBN infrastructure

Cisco has advanced its intent-based networking gear so now it can both verify that networks are actually running according to the intentions set by admins and also so it can help to find and resolve network problems faster on both...

VMware embraces cloud during VMWorld, CEO Gelsinger says

VMware embraces cloud during VMWorld, CEO Gelsinger says

VMware is rolling out services worldwide in the AWS cloud over the next 15 months, starting in the U.S.

Jet Propulsion Lab's IT CTO tells enterprises how to network IoT

The internet of things combined with cloud computing is the platform for innovation that is used by NASA’s Jet Propulsion Laboratory and that should be used by enterprises, but it means setting up the right network infrastructure, say...

England hospitals hit by coordinated ransomware attack

England hospitals hit by coordinated ransomware attack

Hospitals across England have fallen victim to what appears to be a coordinated ransomware attack that has affected facilities diverting patients to hospitals not hit by the malware.

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