Stories by Eric Geier

How to hack your own Wi-Fi network

Attempting to "hack" into your own wireless network can help you spot potential Wi-Fi security vulnerabilities and figure out ways to protect against them.

Review: Android-based Wi-Fi stumblers

Wi-Fi stumblers are handy when checking for channel usage, signal strength, security status, and detecting rogue access points, in situations where enterprise-level tools aren't necessary. We recently reviewed stumblers for your PC or laptop. Here's a look at a few Wi-Fi stumblers for your Android smartphone or tablet, which makes it even more convenient for quick and simple wireless checks.

5 free Android security apps: Keep your smartphone safe

There's been much controversy over mobile OS security, especially where Android is concerned. With 47 per cent of the smartphone market in Q4 of 2011, according to ABI Research, it's no wonder that Android is getting attention.

8 free Wi-Fi stumbling and surveying tools

Even if you have an enterprise-level Wi-Fi spectrum analyzer, like <a href="http://www.metageek.net/products/wi-spy/">Wi-Spy</a> or <a href="http://www.flukenetworks.com/enterprise-network/wlan-security-and-analysis">AirMagnet</a>, free Wi-Fi tools can also come in handy. You might use them during the planning or installation stages of your <a href="http://www.networkworld.com/topics/wireless.html">wireless</a> LAN, while troubleshooting, or when performing maintenance. They could even serve as your primarily tools in smaller and less-complex environments.

Wi-Fi security do's and don'ts

Wi-Fi is inherently susceptible to hacking and eavesdropping, but it can be secure if you use the right <a href="http://www.networkworld.com/topics/security.html">security</a> measures. Unfortunately, the Web is full of outdated advice and myths. But here are some do's and don'ts of Wi-Fi security, addressing some of these myths.

Free Internet security for small businesses

Are you looking to cut expenses for your small business or organization? You can save some cash by replacing those annual antivirus subscriptions with free equivalents. Though most free tools are restricted to home or personal use, a few are also available for businesses at no charge. We'll look at what the various freebies offer, and explain how to get started using them.

[]