The vast majority of attacks like these have target Windows via exploits in Word.

FORBES: First-Known Targeted Malware Attack On Android Phones Steals Contacts And Text Messages

In a preview of its presentation, the team acknowledges Apple's "plethora of defense mechanisms in iOS." Historically, Mac users have been able to boast of being largely malware free, in part because spammers, scammers and hackers preferred to target the larger number of Windows computers in the world.

CNN: Doug Gross,

Furthermore, Windows is the preferred target for computer viruses.

ECONOMIST: Software

Symbian and Windows will be complementary in terms of their target audiences, Slater added.

FORBES: Nokia: No Symbian CDMA Handsets; Wait Until Windows Phone

The dominance of Microsoft's Windows operating system means it is the preferred target of hackers.

ECONOMIST: About morals or money? | The

Tellingly, no target date was provided for the debut of the first Nokia Windows Phone handsets, which are widely believed to arrive before the end of the year.

FORBES: Nokia And Microsoft Reveal Details Of Smartphone Pact

In Apple's case, its beloved iPod seems to be a globe-sized target for attacks (and lawsuits), and just a day after the company laid blame to Windows for "not being hardy enough against viruses" found on recently shipped 5.5G 'Pods, Microsoft is firing back with its own harsh criticisms.

ENGADGET: Microsoft blames Apple's "quality checks" for iPod virus