WASHINGTON — The Consumer Financial Protection Bureau's effort to analyze the mortgage market has touched off a debate about privacy and whether the agency is getting too personal in its collection of financial data.

On one side are House Republicans and other critics who have gone so far as to liken the CFPB's activities to the National Security Agency's alleged eavesdropping on American citizens. They say the CFPB is collecting too much data in its efforts to build a national mortgage database and raise fears about both how the agency will use the data as well as whether it is adequately protected.

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