Microsoft quietly finding, reporting security holes in Apple, Google products - http://www.zdnet.com/blog...
"Researchers at Microsoft have been quietly finding — and helping to fix — security defects in products made by third-party vendors, including Apple and Google. This month alone, the MSVR (Microsoft Security Vulnerability Research) team released advisories to document vulnerabilities in WordPress and Apple’s Safari browser and in July, software flaws were found and fixed in Google Picasa and Facebook." - LANjackal