Glenn FleishmanSenior Contributor, Macworld Follow me on Google+

Glenn Fleishman is the owner and editor of The Magazine, a fortnightly periodical of stories for curious people with a technical bent. He is a regular contributor to the Economist and a senior contributor to Macworld.

Understanding Wi-Fi's two spectrum bands

The versions of AirPort Extreme Base Station and Time Capsule released earlier this year can operate simultaneously over the 2.4GHz and 5GHz spectrum bands. Glenn Fleishman looks at common problems and solutions that might plague you in the 2.4GHz and 5GHz bands and offers advice on manually setting channels in both bands or creating two unique networks with a simultaneous dual-band base station.

How to secure your home network

A reader writes Macworld, asking about the best way to set up a home network so both Macs and Windows PCs can securely connect to it, without letting any intruders in. Glenn Fleishman explains how.

MarcoPolo 2.5

MarcoPolo is another utility that can automatically detect your computer's physical location and then change system settings.

NetworkLocation 3.0.5

NetworkLocation figures out your physical location and can then modify settings and perform actions based on rules you configure.

Troubleshooting Back to My Mac

Apple's Back to My Mac service, which was supposed to make it easy to remotely access your Mac's files, doesn't always work as advertised. Glenn Fleishman explains how to get it up and running.

Analysis: Inside Apple’s AirPort Extreme, Time Capsule updates

On Tuesday, Apple updated its AirPort Extreme and Time Capsule products adding ability to operate on two bands simultaneously, among other changes. Glenn Fleishman explains what each of the new features means for end users.

Eddy Winner: CSSEdit 2.6

CSSEdit may be a specialized tool, but this Editors’ Choice selection belongs in any Web designer’s tool kit.

Review: Linksys WRT610N Simultaneous Dual-N Band Wireless Router

Linksys has tried to improve the WRT610N and make it easier for Mac users to work with. But it has not succeeded. All the problems found could be solved through firmware updates to fix obvious bugs, and better packaging and explanation of its software.

Making sense of 3G speeds

Reports abound that the iPhone 3G isn’t living up to its family name. Glenn Fleishman looks to sort the facts from the hype.

The DNS vulnerability: What you should know and do

Apple’s security update on July 31st may have patched a widespread DNS flaw on Mac servers, but it hasn’t closed the debate on their handling of it, nor the risk to Mac OS X users.

How to secure Macs in business

Macs are immune from security threats, right? It's Windows we have to worry about. That water-cooler wisdom needs to be...

The Portable Office: The best way to get online

When you're on the road, you could rely on Wi-Fi hotspots and hotel Ethernet to get online. But there's a better way: 3G cellular-data service. Glenn Fleishman explains how to find the 3G service that's right for you.

Securing your iPhone 2.0

The iPhone 2.0 software update offers some dramatic improvements in security management, though gaps remain. Glenn Fleishman takes a closer look at iPhone security.

In-flight broadband soft-launches on American Airlines

American Airlines Wednesday flew the first commercial jet with in-flight broadband enabled since the shutdown of Connexion by Boeing.

Review: Sierra Wireless Compass 597 USB modem

The Sierra Wireless Compass 597 is the ultimate cellular data modem combo. The device folds high-speed data access and GPS service into a tiny USB cell modem and pairs it with new Mac OS X software that takes full advantage of the new hardware.