AT&T has successfully resolved a massive service disruption that left a significant number of its customers without cellular service. The telecommunications giant confirmed late Thursday that the hours-long outage was the result of a procedural error during network expansion efforts, dispelling fears of a cyberattack. How Did the AT&T Outage Begin? The service interruption began … Continue reading AT&T Recovers from Nationwide Outage: Human Error, Not Hackers, to Blame