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Feb. 7, 2019 01:40 UTC

Mitsubishi Electric Develops Security Technology to Detect Attacks on Equipment Sensors

World's first attack algorithm for sensors used in drones, cars, production equipment and more

TOKYO--(BUSINESS WIRE)-- Mitsubishi Electric Corporation (TOKYO:6503) announced today that it has developed what is believed to be the world's first sensor-security technology that detects measurement-data inconsistencies by embedding a proprietary algorithm in sensor fusion algorithms, which combine multiple sensors for measurements used in the automatic control of drones, in-vehicle devices, production equipment and more. Going forward, the company will continue development with the aim to commercialize the technology from the year 2020 onwards.

Key Features
Mitsubishi Electric's new algorithm detects malicious attacks based on more than 42 percent inconsistencies in measurement data. In the case of ultrasonic attacks on drones, for example, the Earth's magnetism or gravity is calculated in two ways using intermediate values in the sensor fusion algorithm, and any difference between the two results is treated as an inconsistency.

The new algorithm can be implemented at low cost as additional software in existing sensor signal processing circuits without the need to add or modify hardware. The accuracy of sensor measurements is not compromised.

Comparison

Function Disturbance correction
(heat, magnetism, etc.)
Attack detection

Developed
Technology

Sensor attack
detection

Possible Possible

Conventional
Technology

Sensor fusion Possible Impossible

Background
Sensor-based automatic control is becoming increasingly common in everyday applications such as drones, in-vehicle devices and production facilities, raising the need for cybersecurity countermeasures. Sensor fusion algorithms, which combine multiple sensors for measurement, play a key role in automatic control, but their security performance was unproven.

In response, Mitsubishi Electric developed what is believed to be the world's first sensor-security technology that detects inconsistencies in sensor measurements during malicious attacks. The development was partially supported by business commissioned by the New Energy and Industrial Technology Development Organization (NEDO) under Japan’s National Research and Development Agency.

For the full text, please visit: www.MitsubishiElectric.com/news/

Contacts

Customer Inquiries
Information Technology R&D Center
Mitsubishi Electric Corporation
www.MitsubishiElectric.com/ssl/contact/company/rd/form.html
www.MitsubishiElectric.com/company/rd/

Media Inquiries
Niels Meinke
Public Relations Division
Mitsubishi Electric Corporation
Tel: +81-3-3218-2831
prd.gnews@nk.MitsubishiElectric.co.jp
www.MitsubishiElectric.com/news/


Source: Mitsubishi Electric Corporation

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