The large-scale technical failure that caused flights from all airports across the United States to be suspended for several hours has been found to be unrelated to a cyberattack, US Transportation Secretary Sean Duffy said at a press conference, APA reports.
"Was there a cyberattack? Did another country attack this network? A lot of questions have been asked about this. We don't believe so," the minister said.
According to him, the relevant authorities have found no signs of a cyberattack or involvement of foreign forces in the incident.
Duffy said the failure occurred during maintenance work on the system of the US Federal Aviation Administration (FAA).
According to the minister, L3Harris was replacing a copper communications cable with a fiber-optic cable at one of the FAA's remote facilities. It is believed that either the replacement work was not carried out properly or a faulty router was installed in the system.
This caused a widespread disruption to air traffic operations across the United States.
Sean Duffy said that the operation of air traffic control equipment has now been fully restored. However, further flight delays and cancellations are expected.
An investigation is ongoing to determine the exact causes of the incident.
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