The hacking group known as Bismuth, APT32 or Ocean Lotus installed Monero miners on victims' networks while it was up to other, more nefarious activities, researchers say.
Vietnamese government-linked hackers have been distributing malicious applications in the Google Play Store for at least the last four years, Kaspersky researchers said Tuesday.
The breach, which affected Toyota Tokyo Sales Holding Inc. and its affiliated enterprises, was the second high-profile cybersecurity incident at Toyota in as many months.