The WannaCry ransomware got everyone's attention in May when UK NHS hospitals fell victim to it. It then quickly spread around the world, affecting over 150 countries and hitting companies like French car manufacturer Renault and FedEx.

WannaCry was made possible by a Windows vulnerability uncovered by the NSA and subsequently stolen and released by a hacking group called The Shadow Brokers. WannaCry, which US agencies suspect a North Korean group was behind, took advantage of that vulnerability in computers that hadn't been updated with Microsoft's patch or had versions of Windows that were too old to use it.

Honda's Sayama plant, located outside of Tokyo, manufactures the Accord, Odyssey and Step Wagon models and produces around 1,000 vehicles each day. Production at other plants wasn't affected.