Video: Chris Paget, IOActive’s R&D director demonstrates the company’s RFID card clone, which enables users to snag access codes from a HID card, store them on the device and play them back as a means to dupe HID card readers. Watch it here. Open source: Even if you don’t know it yet, you need the GPL in one way or another. Why? Two critical things are happening, explains Matt Asay in this Open Sources post. “It’s not about evil. It’s about what works.” And, the GPL powers 77 percent of the software on SourceForge.net.Columnist’s corner: Fed up with Microsoft’s ‘Vs’ (Vista, Vienna) Oliver Rist turns his crystal ball away from operating systems and toward telephony. “It’s going to be a big year for Wi-Fi and VOIP,” he writes in this week’s Enterprise Windows installment. Not to say that telecom and cable providers will cease their anti-VoIP game playing when it comes to traffic. But in ’07 we’ll glimpse “the true potential of fully-converged, highly-mobile voice and data devices.” Just don’t expect to actually use them, though. Best of the blogs: Rules engines are one trick IT can leverage within a service-oriented architecture, thereby adding to a core theme of SOA: agility. Before embarking down that ‘SOAfied’ road, David Linthicum presents three questions you ought to ask. Security