Apple responded fairly quickly to news that more than 600,000 Mac computers were infected with a trojan virus called “Flashback.” One week after the massive botnet was discovered, Apple issued an update fixing the Java vulnerability that allowed Flashback to infect the machines, as well as a removal tool for affected machines. Despite the company’s efforts, Symantec stated on Tuesday evening that approximately 140,000 OS X PCs were still infected with the virus at that time. “The statistics from our sinkhole are showing declining numbers on a daily basis,” the company wrote on its blog. “However, we had originally believed that we would have seen a greater decline in infections at this point in time, but this has proven not