For the second time in five weeks, Toyota has acknowledged a breach – this one affecting 3.1 million customers at its subsidiaries while the first was in Australia and believed to be the work of Ocean Lotus, or APT32.

The company isn’t yet sure if the hackers nicked any data from its systems but said customers of subsidiaries, including , Lexus Koishikawa Sales, Lexus Nerima, Toyota Tokyo Sales Holdings, Toyota West Tokyo Corolla, Toyota Tokyo Corolla and Tokyo Tokyo Motor were among those that could be affected.

"I expect that Toyota’s Japanese customers are collateral damage in an attempt to steal Toyota’s intellectual property,” said Lucy Security CEO Colin Bastable. “Toyota’s response, saying that they will implement additional security measures, reminds me of the recent Airbus attack and their similar remedial approach to cybersecurity.”

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