Vodafone Australia is not only upsetting its customers with its unreliable network but now millions of its customers details have been readily available on the internet.
http://www.smh.com.au/technology/security/mobile-security-outrage-private-details-accessible-on-net-20110108-19j9j.html
(Mod edit: Added "AU" to title as this does not apply to VFNZ customers at this time - XPD)