Eric Geier

Contributing Writer

Eric Geier is a freelance tech writer. He’s also the founder of NoWiresSecurity, which provides a cloud-based Wi-Fi security service, and Wi-Fi Surveyors, which provides RF site surveying.

How to identify and resolve double-NAT problems

How to identify and resolve double-NAT problems

We’ll show you how to eliminate this conflict between your router and your broadband gateway.

Four lesser-known Wi-Fi security threats and how to defend against them

Four lesser-known Wi-Fi security threats and how to defend against them

You’ve hardened your network against all the common weaknesses, now we’ll show you how to take your wireless security to the next level.

8 tech dangers every novice can avoid with these tips

8 tech dangers every novice can avoid with these tips

Tech novices are easy targets for malware, phishing, and sleazy salespeople. Protect the novices you know with these tips to help them be smarter about buying and using their tech devices.

First Look: Wave 2 Wi-Fi access points show promise

First Look: Wave 2 Wi-Fi access points show promise

We review five Wave 2 wireless access points, comparing prices and features, looking at usability and doing some performance testing. The products in this review are: Amped Wireless AC1300, ASUS EA-AC87, Cisco Aironet 1852i, Extreme...

Open source routers deliver low cost, flexibility

Open source routers deliver low cost, flexibility

We reviewed 5 open source software products that offers an economical and flexible option for deploying basic home, SMB or even enterprise networking.

5 free/low-cost Wi-Fi analyzers for Windows 10

5 free/low-cost Wi-Fi analyzers for Windows 10

Now we’re reviewing apps, published as Universal Windows Platform apps on the Microsoft Store, that run on Windows 10 PCs, tablets and phones. The Wi-Fi features that developers can utilize in the Universal Windows Platform are still...

How to clean install Windows the right way

How to clean install Windows the right way

Performing a Windows reinstall can make your PC feel like new, but you'll want to do some prep work first to avoid losing precious data and software.

7 VPN services for hotspot protection

7 VPN services for hotspot protection

When connected to a VPN service, the websites you access think you’re at the location where the VPN server is located. This can help anonymize your Internet traffic so it’s much harder for websites to track your personal browsing...

Down and dirty Wi-Fi stumblers and analyzers for Android users

Down and dirty Wi-Fi stumblers and analyzers for Android users

In this review, we look at eight Android-based Wi-Fi stumbler and analyzer apps sold for under $10 on the official Google Play store.

Review: Best smart switches for under $500

Review: Best smart switches for under $500

Smart switches are typically targeted towards small and medium sized networks that don’t need the complete management capabilities and fine-tuning offered in fully managed switches. We looked at switches from six vendors.

REVIEW: Best VPN routers for small business

REVIEW: Best VPN routers for small business

We looked at six VPN routers designed for small businesses, ranging from the popular Cisco brand to lesser-known names like DrayTek and UTT Technologies.

Review: Best Wi-Fi stumblers for the Mac

Review: Best Wi-Fi stumblers for the Mac

Macs turnImage by Thinkstock/AppleWe recently reviewed low-cost Windows-based Wi-Fi stumblers. Now, here’s our take on wireless stumblers that run on Mac OS X for all you Apple fans. The six products we looked at are: AirRadar 3,...

Best handheld Wi-Fi test tools
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Best handheld Wi-Fi test tools

Wi-Fi test toolsMany Wi-Fi test tools are software-based, such as Wi-Fi stumblers and analyzer programs that use a laptop’s internal Wi-Fi or maybe a USB wireless adapter. The four products we reviewed are: AirCheck Wi-Fi Tester,...

5 low-cost Wi-Fi stumblers and analyzers

5 low-cost Wi-Fi stumblers and analyzers

Stumblers and analyzersWi-Fi stumblers and analyzers are a must-have when troubleshooting Wi-Fi interference and performance issues, or when checking channel usage. They’re also needed for Wi-Fi site surveys and for security audits...

How to install Windows apps on an SD card or USB drive

How to install Windows apps on an SD card or USB drive

Windows 8 won't let you install the apps found in the Windows Store to external storage--but you can force the matter.

How MU-MIMO Wi-Fi works to improve the speed and capacity of home networks

How MU-MIMO Wi-Fi works to improve the speed and capacity of home networks

Multi-user MIMO promises to deliver a significant upgrade in wireless-networking performance. Here’s why everyone’s so excited.

4 new access points deliver super-fast Wi-Fi

4 new access points deliver super-fast Wi-Fi

Access points put to the testWe put four new access points to the test, from Linksys, Xclaim, Amped and ZyXel, using the same test-bed and methods as our last review. The Linksys LAPAC1750PRO performed best in the throughput tests...

How to replace a broken laptop screen

How to replace a broken laptop screen

If your laptop's LCD screen is cracked, black, or otherwise broken, it doesn't mean your notebook's a paperweight. Here's step-by-step instructions on how to replace a broken laptop screen.

New Gigabit Wi-Fi access points target SMBs

New Gigabit Wi-Fi access points target SMBs

Gigabit Wi-Fi access pointsLast year, we reviewed five of the first Gigabit Wi-Fi access points to hit the market. This time around, we’re testing three new entrants: the Cisco WAP371, D-Link’s DAP-2695, and the Edimax WAP-1750. Each...

6 DNS services protect against malware and other unwanted content

6 DNS services protect against malware and other unwanted content

A good DNS service can protect users from a variety of unwanted Web intruders, including phishing sites and botnets. We look at six of them.

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