https://www.reuters.com/article/us-equifax-cyber-new-york-exclusive/exclusive-n-y-regulator-subpoenas-equifax-over-massive-breach-idUSKCN1C22LU >New York state's financial services regulator has issued a subpoena to Equifax Inc demanding it provide more information about the massive data breach the credit-reporting firm disclosed this month, a person familiar with the matter said on Wednesday.