抄録
With the widespread of Internet of Things (IoT), various types of devices have been controlled through computer networks. Wireless communications, like Wi-Fi, Bluetooth, NFC, are utilized to collect their status data for efficient management and maintenance. These data are transferred over the Internet in the real time manner. Because some of the data are opened to public, anyone can freely access to them by using Web browser. Although conventional computers can be equipped with sufficient hardware resources, it is mandatory for IoT devices to install the minimum-required hardware resources. The lack of the resources seriously affects to the security level of the devices. As the result, many unprotected devices which are connected directly to the Internet suffer from serious cyber attacks. Sometimes, malicious persons abuse them to steal confidential and/or private data. My speech will discuss the basic points to which we should pay attention by presenting several examples of incidents.
