US military vehicle, truck and bus manufacturer Navistar has received a claim that data has been extracted from its IT system.

The development follows on from learning in May of a credible, potential cyber security threat to its computer network, the Illinois company said in a 7 June filing to the Securities and Exchange Commission (SEC).

As soon as it was aware of the threat, Navistar launched an investigation and deployed its cyber security response plan.

Measures included containment protocols to mitigate the potential threat’s impact, engaging internal and third-party IT security and forensics experts to assess any impact on the company’s IT system, and using additional security measures to safeguard the integrity of the network and the data it contained.

Those actions are ongoing and the company’s IT system continues to be fully operational, said Navistar.

Law enforcement is aware of the cyber security incident, it stated.


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