Norfolk Southern has finished a root cause analysis into what caused Monday’s temporary system outage and says the incident appears to be related to a vendor software defect.
The railroad said hacking wasn’t a factor, according to a Friday update. “To date, we have found no indication that this was related to an unauthorized cybersecurity incident.”
Rather, there was a defect in the software that handles NS’ (NYSE: NSC) data storage system, which is manufactured and maintained by a global...