iPhone Trojan Sign of Things to Come?

Slashdot refers to an article about the appearance of the first hack on iPhones .

According to ITBusinessEdge , the USCERT (US Computer Emergency Response Team) warns that a currently relatively harmless Trojan that overwrites some utilities bodes ill for future development.

Further, the SANS Institute lists threats against mobile phones in the top 10 security threats for 2008.

See Top Ten Cyber Security Menaces for 2008 for details.