Microsoft, Google tangle over Windows security patch

SEATTLE (Reuters) - Microsoft Corp has complained publicly about tech rival Google Inc revealing a security flaw in its Windows 8.1 system just days before Microsoft was scheduled to roll out a fix for the problem, potentially exposing users to hacking. The spat highlights an ever-present tension in the software security sector between those who believe flaws should be revealed sooner rather than later to put pressure on companies to tackle the issues, and developers who sometimes need more time