ACSiON Introduces Phishing Countermeasure Service to The Ryukyu Bank

ACSiON has introduced its phishing countermeasure service to The Ryukyu Bank to combat increasingly sophisticated phishing scams targeting financial institutions. This service, characterized by 24-hour monitoring for domestic companies, ensures early detection of fraudulent sites and facilitates their closure, contributing to the security of financial institutions and user trust through a collaborative framework.
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  • 📰 Published: May 13, 2026 at 19:00
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ACSiON Co., Ltd. (Headquarters: Chuo-ku, Tokyo; Representatives: Takanori Yasuda / Takaaki Takishita; hereinafter "ACSiON") announced that its phishing countermeasure service has been introduced at The Ryukyu Bank, Ltd. (Head Office: Naha City, Okinawa Prefecture; President: Ken Shimabukuro).

In recent years, phishing scams targeting financial institutions have become increasingly sophisticated, with a rise in elaborate attacks combining SMS, emails, and fake websites.

ACSiON's phishing countermeasure service features a 24-hour monitoring system specifically designed for Japanese companies, offering early detection of fraudulent sites and prompt, appropriate action to request their closure.

This introduction was made possible through The Ryukyu Bank's participation in a collaborative utilization framework for ACSiON's phishing countermeasure service, initiated by The Regional Banks Association of Japan. This system helps ensure the safety of service providers and maintain the peace of mind and trust of users.

As a cybersecurity company, ACSiON will leverage its accumulated expertise in financial crime countermeasures and its solution building capabilities as a platform operator in public personal authentication services (JPKI) to provide services that address new risks in a digitized society.

[ACSiON Co., Ltd.] (URL: https://www.acsion.co.jp/)

・Company Name: ACSiON Co., Ltd.

・Location: Harumi 1-8-10, Chuo-ku, Tokyo

・Representatives: Representative Directors Takanori Yasuda / Takaaki Takishita

・Business Activities: Cybersecurity business, Data intelligence business

・Establishment Date: July 16, 2019

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