The article referenced below provides another compelling reason why you should keep all the Web browsers in your company upgraded to the most recent version of Web browser.
BBC: Two million US PCs recruited to botnets
The US leads the world in numbers of Windows PCs that are part of botnets, reveals a report. More than 2.2 million US PCs were found to be part of botnets, networks of hijacked home computers, in the first six months of 2010, it said. [read full article]
See also these prior blog posts of ours: