Last week's disclosure of a zero-day vulnerability in Windows Vista doesn't put a lie to the claim that it's the safest Microsoft operating system so far, a company security manager has said."The finding of vulnerabilities in any software is to be expected," said Stephen Toulouse, senior product manager with Microsoft's security technology group, in a blog posting earlier this week. "This is all part of the process of creating complex software today, and no one is immune to it. It's not, as they say, big news to us in the security industry."    Read more....