Newag backdoor

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Newag S.A. (pronounced "nevag") is a Polish company based in Nowy Sącz that specializes in the production, maintenance, and modernization of railway rolling stock.

Backdoor incident

In 2022, when maintenance was done on trains manufactured by Newag, malicious code and backdoors were discovered which were found to make the trains break down after third-party repairs, prevent them from entering a competitors workshop and also stop working after a set amount of time standing still. The investigation against Newag is still on-going.