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Like Microsoft, Massive AT&T outage also happened because of a bad update
What is it with the bad updates lately?
If you're wondering if the recent global IT outage – caused by a bad update to cybersecurity company CrowdStrike's software which brought down millions of Windows PCs – is an isolated case, we can assure you that it is not. A government investigation into a nationwide AT&T outage in February has shown that the cause was a bad network update, Ars Technica reported on Tuesday. The FCC Public Safety and Homeland Security Bureau analyzed the incident and found that the outage "was the result of several factors, all attributable to AT&T Mobility, including a configuration error, a lack of adherence to AT&T Mobility's internal procedures, a lack of peer review, a failure to adequately test after installation, inadequate laboratory testing, insufficient safeguards and controls to ensure approval of changes affecting the core network, a lack of controls to mitigate the effects of the outage once it began, and a variety of system issues that prolonged the outage once the configuration error had been remedied" (per Ars Technica).
Or read this on Mashable
