Japan will carry out a survey of 200 million deployed IoT devices, with white-hats trying to log into internet-discoverable devices using default credentials. Attacks on IoT devices accounted for two-thirds of all cyber-attacks in 2016 a state of affairs it expects to ramp up as hackers potentially look for ways to disrupt the Summer Olympics next year in Tokyo. It is not completely clear what other sensitive data might be collected during the survey and how it will be handled.
Source: https://threatpost.com/japan-insecure-iot-devices/141304/