Sure, quite clearly. Windows is the easier target to hit, which is why it's not inherently less secure than Linux. And of course the security problems are due to attachment clickers - funny only that considerably more server attacks against Windows are possible, all of which have nothing to do with attachments. And all this despite the fact that with servers, Linux and Apache are definitely the train rolling through the whole city, while IIS - alongside IE and Outlook, the security hole par excellence - rather only runs in the seedier suburbs ... At heise online news there's the original article.