Verizon has confirmed that the major service interruption was caused by a software problem, rather than a cybersecurity incident. Details are still coming to light.

“This was a software problem and we are conducting a comprehensive review of what occurred. Currently, there is no evidence to suggest that this was a cybersecurity matter,” the telecom giant conveyed to Mashable.

After a nationwide service disruption that resulted in millions of error notifications, attracted attention from the Federal Communications Commission (FCC), and possibly affected emergency services for customers across various states, some speculated online that the magnitude of the event might have stemmed from a system breach.

At that moment, Verizon refrained from commenting on the cause, instead prioritizing service restoration with teams deployed on the ground. The company did not disclose the locations where Verizon teams were operating. “We understand this is a significant inconvenience, and our primary focus is to restore your connection as swiftly as possible,” the company stated in a social media update.

The next morning after the outage, Verizon then apologized and provided affected customers with a $20 credit, stating in a post on X.