The UK government has agreed with a European Commission plan to allow EU member states to share information held in citizen databases in criminal investigations.
All 26 member states will be able to check data held in databases covering areas such as driver registration, DNA and fingerprints, reports The Daily Telegraph.
The Conservative Party said "a disproportionate number of innocent British citizens will be sucked into foreign criminal investigations", as a result of incorrect "matches" on leads which form part of foreign investigations.
As the UK seems to be building more citizen databases than many other EU countries, this may prove to be the case.
The newspaper said a "nightmare scenario for a British citizen is a false fingerprint-DNA or number plate match linking them to a rape, murder or other serious crime".
The agreement is backed by the European arrest warrant, which provides for a speedy extradition.
The Home Office said, "This initiative will bring benefits to law enforcement authorities in investigating and prosecuting serious crime.
"It will speed up existing procedures for member states to find out whether any other state has the information it needs, often returning a hit or no hit within 50 seconds."