GOP leaders on Energy and Commerce panel probe wireless carriers' data security policies

Top Republicans on the House Energy and Commerce Committee are joining the panel's new Democratic chairman in efforts to hold wireless telecommunication carriers accountable for potential failures in protecting their consumers' real-time location data via relationships with third parties.

In letters sent to six companies -- primary data holders T-Mobile, AT&T, Sprint and Verizon, as well as the location aggregator Zumingo and the credit reporting company Microbilt -- the lawmakers sought to “increase transparency surrounding how U.S. wireless carriers and...