Hewlett-Packard says it is acquiring Colubris, which sells wireless access infrastructure products based on 802.11n that match or beat the speeds of a plugged-in broadband connection. The EFF is appealing a court order halting a subway hacker talk at Defcon that would have detailed flaws in the Massachusetts Bay Transportation Authority electronic ticketing system and described techniques, some illegal, for gaining free access to Boston’s transit system. Related special report: Black Hat and Defcon 2008 reveal new security threats. Tableau emphasizes usability and mapping in its 4.0 BI release of data visualization tools. And AMD says that as of now it has no plans to release chips for netbooks but, instead, is sticking with its current wait-and-see approach, which rival Intel intends to detail Nehalem at an upcoming developer conference. Technology Industry