Back in the day, if you ever felt like someone was watching you, you merely had to look around for a creep or two. Today, thanks to the advent of virtually invisible wireless networks, things aren't ...

I have the thankless job of protecting company secrets from breaches. My efforts are increasingly the spotlight with every new article on the TJX breach. How can large companies, like mine, know where ...

Nmap is a free network scanning software available for Windows, Linux, macOS, etc. This open-source freeware can be used to check ping status, scan the entire network, check the uptime of any host, ...

The UNIX ping command lets you test network servers and latency. Here's how to use it in the macOS Terminal app. The UNIX ping command is a tiny UNIX network tool that allows you to test your network, ...

Network security is not just for IT professionals. Even home users need to keep their networks secure to prevent unauthorized people from, for example, hogging their broadband, installing malware that ...