Security: Taking the virus one step further as a crime vehicle, a new Trojan is on the prowl and it’s chasing ransom. First, it freezes infected machines, then it demands a vig to return control. Hardware: IBM today announced a mid-market mainframe — an incarnation of its z9 that sells for approximately $100,000. Big Blue puts the z9 Business Class system in a category with Unix servers and powerful x86 clusters, but claims it offers better security, reliability and utilization rates. Best of the blogs: Oliver Rist has posted the first SMB IT Buyers’ Guide: Internet Fax Services. The summary examines 12 providers, the features each offers and basic pricing. The news beat: Intel warns of possible layoffs, and says it is planning a broad restructuring as chief Paul Otellini cautions about sinking profits. Nokia announces that its phones will tap into iPass hotspots. And five U.S. residents face piracy charges as part of DOJ crackdown. Security