Verizon says millions of its customers' data has been leaked online.
Cybersecurity company Upguard discovered that information about six-million users was exposed because of a misconfigured cloud-based system. The information included customer phone numbers, names and some PIN codes. Upguard alerted Verizon to the leak on June 13. The security hole was closed on June 22.
Exposed PIN codes is a concern because it allows scammers to access someone's phone service if they convince a customer service agent they're the account holder.
Verizon tells CNN that even though the information wasn't secured, no loss or theft of it happened. They do, however say that customers should update their PIN codes and not use the same one twice.