The B.C. government plans to build a data-sharing system for its social service ministeries.

Privacy watchdogs are raising concerns about a B.C. government decision to develop a new computer system that will allow social ministries to share client data and manage case files.

The government says the Integrated Case Management System replaces outdated technology and will enable it to provide better services to the public, while improving security.

On Friday it announce it had signed a six-year, $180-million agreement with Deloitte Inc. to develop the system.

But the B.C. Freedom of Information and Privacy Association has written the premier warning that the new system is a wholesale invasion of privacy.

"This is about data sharing, creating a giant vacuum cleaner in Victoria that will be sucking up information around the province and allowing government officials to match this and create what you call a digital persona," said Vince Gogolek, the association's communications director.