Enlarge / A Verizon FiOS truck in Manhattan on September 15, 2017. (credit: Getty Images | Smith Collection | Gado) Verizon is struggling to fix a glitch that has been leaking customers’ addresses, phone numbers, account numbers, and other personal information through a chat system that helps prospective subscribers figure out if Fios services are available in their location. The personal details appear when people click on a link to chat with a Verizon representative.