AT&T restores wireless service after a temporary disruption caused by a software update. The outage was not due to a cyberattack but an incorrect process during network expansion. Authorities are investigating, and other carriers reported normal operations. No indication of malicious activity according to cybersecurity agencies.
Key Points
AT&T outage caused by a software update gone wrong
Investigation ongoing by FBI, DHS, and other agencies
CISA reports no indications of malicious activity
Verizon and T-Mobile networks unaffected
Pros
AT&T was able to restore wireless service to all affected customers
No indication of a cyberattack or malicious activity
Cons
Customers experienced service interruptions during the outage