Presentation 2022-03-07
Internet-wide discovery of IoT devices deployed at important facilities
Mizuki Hiraku, Takayuki Sasaki, Katsunari Yoshioka, Tsutomu Matsumoto,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Previous study has revealed that there are a number of IoT devices used at important facilities, such as water treatment systems, whose Web User Interfaces (WebUIs) are exposed to the Internet with their location and facility name. We have conducted a project to discover such devices in Japan and informed the stakeholders to mitigate the situation, but have not thoroughly investigated the global situation. In this study, we modify the existing search method for Japanese domestic Internet in order to efficiently scan for a wide range of IP addresses used by foreign ISPs and to check a variety of port numbers used by foreign IoT devices. As a result, we discovered 24,694 IoT devices of 52 types which may be deployed at important facilities in 127 countries and regions.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) IoT devices / Critical infrastructure / Internet-wide scan
Paper # ICSS2021-61
Date of Issue 2022-02-28 (ICSS)

Conference Information
Committee ICSS / IPSJ-SPT
Conference Date 2022/3/7(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Online
Topics (in Japanese) (See Japanese page)
Topics (in English) Security, Trust, etc.
Chair Katsunari Yoshioka(Yokohama National Univ.)
Vice Chair Kazunori Kamiya(NTT) / Takahiro Kasama(NICT)
Secretary Kazunori Kamiya(KDDI labs.) / Takahiro Kasama(Okayama Univ.)
Assistant Keisuke Kito(Mitsubishi Electric) / Takeshi Sugawara(Univ. of Electro-Comm.)

Paper Information
Registration To Technical Committee on Information and Communication System Security / Special Interest Group on Security Psychology and Trust
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Internet-wide discovery of IoT devices deployed at important facilities
Sub Title (in English)
Keyword(1) IoT devices
Keyword(2) Critical infrastructure
Keyword(3) Internet-wide scan
1st Author's Name Mizuki Hiraku
1st Author's Affiliation Yokohama National University(Yokohama National Univ)
2nd Author's Name Takayuki Sasaki
2nd Author's Affiliation Yokohama National University(Yokohama National Univ)
3rd Author's Name Katsunari Yoshioka
3rd Author's Affiliation Yokohama National University(Yokohama National Univ)
4th Author's Name Tsutomu Matsumoto
4th Author's Affiliation Yokohama National University(Yokohama National Univ)
Date 2022-03-07
Paper # ICSS2021-61
Volume (vol) vol.121
Number (no) ICSS-410
Page pp.pp.14-19(ICSS),
#Pages 6
Date of Issue 2022-02-28 (ICSS)