Data sharing 'could sap public confidence'

The government has been warned increased data sharing between departments and services could result in a decline in citizens' confidence in public bodies.

The current push by the government towards increased data sharing could backfire, with negative effects for public confidence, according to Merlin, Earl of Erroll, a member of the House of Lords Science and Technology Committee. He said schemes such as the National Identity Register - on which the government plans to hold the personal data of every UK citizen - could lead to an over-intrusive state when combined with data sharing between government departments and services.

Lord Erroll said: "With increased sharing of data, there is a greater risk of failure of public services due to the greater complexity of systems, but also people may become frightened of being caught."

He added: "If you don't tell the DVLA of a change of address, after a month you're liable to a fine of £1,000 and it will be the same under the National Identity Register. I see a problem of linking up government departments and services, like law enforcement, that are seen as enforcers and those seen as helpers, like [social services]."

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If someone had, for example, notified their doctor of a change of address but forgotten to notify the DVLA and this resulted in a penalty, it could undermine public confidence in both bodies, according to Lord Erroll.

He also said he was concerned about the possible data-mining implications of the scheme and added "the amount of fraud they will detect is probably less than they think".

However, Sir David Varney, the Prime Minister's adviser on public-service transformation, said the nature of the data to be shared between government departments was still under discussion.

Varney said: "There has to be a lot of careful thought about what data needs to be shared. If names, addresses and national insurance numbers were shared, people would benefit from a more personalised service."

Varney added making policy out of operational activities makes policy more credible to "customers", as it is co-produced.

Naomi Eisenstadt, director of the Cabinet Office's Social Exclusion Task Force, said a large amount of informal data sharing already exists. She said: "There can be an incredible level of intrusion. There is massive information sharing on an informal basis, as professionals chat to each other."

Tom Espiner writes for ZDNet.co.uk