Tim Greene

Executive Editor

Tim Greene is executive editor of Network World.

Blockchain can help secure medical devices, improve patient privacy

IBM Security to buy risk-visualization firm Agile 3 Solutions

IBM Security plans to buy San Francisco-based Agile 3 Solutions, which makes software for visualizing data risk for analysis by senior executives.

As authentication options blossom, startup tries to simplify deployment

As authentication options blossom, startup tries to simplify deployment

A startup with a strong pedigree is trying to address the problem that businesses have keeping up with the ever-increasing options for authentication.

Fortinet embraces Cisco, HPE, Nokia

Fortinet is adding Cisco, HPE and Nokia to its stable of partners whose security gear can share information with Fortinet products to improve overall security.

Fraud detection firm outs $1B Russian ad-fraud gang

Fraud detection firm outs $1B Russian ad-fraud gang

A $1 billion Russia-based criminal gang has been bilking online advertisers by impersonating high-profile Web sites like ESPN, Vogue, CBS Sports, Fox News and the Huffington Post and selling phony ad slots, but that’s about to end.

5 topics Trump needs to address in Silicon Valley leaders meeting

5 topics Trump needs to address in Silicon Valley leaders meeting

As some of the tech sector’s heaviest hitters prep for a meeting this week with president-elect Donald Trump, they need to make sure they get answers to critical questions about issues that could affect not only their businesses but...

How to dodge those Black Friday and Cyber Monday shopping hackers

How to dodge those Black Friday and Cyber Monday shopping hackers

Hackers are writing apps, setting up phony Wi-Fi networks and unleashing malware in attempts to turn legitimate Black Friday and Cyber Monday retailing into profits for themselves, according to security experts.

There’s a war on for cybersecurity talent

There’s a war on for cybersecurity talent

Filling cybersecurity jobs is getting so hard managers need to think outside the box if they hope to fill critical positions.

Gartner: Despite DDoS attacks, don’t give up on Dyn or DNS service providers

Gartner: Despite DDoS attacks, don’t give up on Dyn or DNS service providers

The DDoS attacks that flooded Dyn and knocked high-profile Web sites offline don’t mean businesses should abandon DNS service providers, in fact they should use more than one DNS provider for redundancy.

DDoS attack against Dyn could indicate a new use of old criminal tech

DDoS attack against Dyn could indicate a new use of old criminal tech

Attacks against DNS service provider Dyn resumed after a two-and-a-half hour lull, and could indicate a new application of an old criminal technology, experts say.

Sophos rolls out Intercept X for endpoint protection

Sophos rolls out Intercept X for endpoint protection

Sophos is coming out with Intercept X, its new name for endpoint protection that’s based on technology acquired when it bought SurfRight to broaden its endpoint strategy.

Cisco and Fortinet issue patches against NSA malware

Cisco and Fortinet issue patches against NSA malware

Customers of Cisco and Fortinet security gear need to check that their versions of specific devices are patched against exploits patch exploits made public this week as a result of a purported hack of NSA malware.

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