Japan embarked on an ambitious project: scan its entire 200 million IPv4 address pool for insecure connected devices. The plan involves alerting ISPs of problematic IP addresses. The number of devices that have easily-guessed passwords or are infected with malware is small. Japans program is commendable and perhaps a model for other countries to improve the security of IoT devices, says cryptographer and security expert Bruce Schneier. But Schneier says consumers werent informed before the project started.”]
Source: https://www.careersinfosecurity.com/japans-iot-scanning-project-insecure-devices-found-a-14517