Eric GeierContributor, PCWorld

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Eric Geier is a freelance tech writer as well as the founder of NoWiresSecurity, a cloud-based Wi-Fi security service, and On Spot Techs, an on-site computer services company.

Zen and the Art of Laptop Maintenance

Learn how to keep your laptop looking great and working well for as long as possible, without losing your mind.

Antivirus on Windows 8: Looking at Your Options

Windows 8 will come with bundled antivirus software, but will you need to supplement it with other programs? We look at some of your options.

Windows 8 Features That Will Benefit Businesses

The new OS will be released October 26. Here's how businesses will benefit from upgrading.

How to Replace Your Laptop Keyboard

We walk you through the process of swapping out an old and busted keyboard for a shiny new one--and saving some bucks by doing it yourself.

Bitdefender Releases 2013 Line of Antivirus Products

Bitdefender's 2013 antivirus software comes with several new features designed to help block new types of malware.

Square Mobile Payment System Review: Tiny Reader, Simple Apps

Among mobile payment processors, Square charges the highest per-transaction fee--but some of its features can't be beat.

Four Mobile Payment Systems Tested and Compared

Does your business accept payments by credit card? We evaluate four of today's best payment processing systems.

VeriFone SAIL Review: Mobile Payment Processor Has Some Impressive Features

VeriFone, the newest contender in the mobile payment processing arena, offers a strong product.

PayAnywhere Review: A Feature-Rich Mobile Payment Processor

PayAnywhere is a good choice if you're looking for a simple processor or even a POS-like system that supports cash drawers and can print receipts.

Intuit GoPayment Review: Processing System Includes a Sturdy Card Reader

This is one of the best services for printing receipts on Android devices, but it can't track cash payments.

BullGuard Mobile Security 10 Review: Solid Mobile Antivirus with Parental Controls

BullGuard provides good antivirus and parental controls, but the app's backup features could be improved.

Windows 8 Security: What's New

Windows 8 is a major OS overhaul, but some of the most important additions might be the ones you can't see. Here's a look at Windows 8's new security tools and features.

5 Great Android Apps for Cloud Admins

Here's a great collection of tools for anyone responsible for administering servers or services in the cloud.

Your Printer Could Be a Security Sore Spot

A poorly protected office printer can cause major security headaches. Here's what the threats are, and how you can combat them.

How to Encrypt Your Email

Data encryption is a complicated subject, but our top-level overview and general guide to email encryption will help you understand the basics. Learn to encrypt your Internet connection, sent and stored email with this basic tutorial.