"We had lots of disparate data sources and information siloes everywhere that were jealously guarded," she said.

Last August CIO which centres around an aggressive Cloud strategy.

Holt said the migration from analogue to IP telephony has been more complicated than moving messaging to the Cloud, but it was "remarkably smooth".

"In 12 months we will be using unified telephony and messaging hosted in Singapore," she said.

Other outcomes include a successful trial of the Windows Azure development platform and its SQL Azure service is ready to go live.