Symantec CEO John Thompson talks to IDG News Service at Cebit trade show in Hanover, Germany. Microsoft has shored up the defenses in its new OS, Vista, but people “shouldnt assume that a less vulnerable operating platform delivers security against tomorrows threats,” Thompson says. Microsoft’s introduction of consumer and enterprise security products to complement its operating systems could hurt company. Thompson: Microsoft has made statements about what they are going to do and delivered on many of the promises theyve made.”]