Equifax Inc.’s lack of transparency about its massive data breach makes it difficult for the credit-rating firm’s competitors to check the security of their own information, according to Experian Plc.

“We don’t have a conclusive statement from Equifax,” Alex Lintner, Experian’s president of consumer information services, said Tuesday in an interview. “We’re trying to get one about what happened, so we can double-, triple-, quadruple-check whatever equivalent we have.”

Atlanta-based Equifax last week reported a cyberattack that may have affected 143 million people — or about half the U.S. population — revealing Social Security numbers, driver’s license data and birth dates. Experian, which collects similar customer information, said it has confidence in its underlying security and technologies.

 

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