Asunaro Investment Advisory Implements BIMI to Enhance Email Security and Prevent Impersonation Fraud

Asunaro Investment Advisory, operated by Asunaro Co., Ltd. (Headquarters: Minato-ku, Tokyo; Representative Director: Yasushi Oishi), implemented BIMI (Brand Indicators for Message Identification) on May 7, 2026, as a measure to enhance the security of its email communications. BIMI is a mechanism that displays a brand logo on authenticated emails in supported email services, helping recipients visually identify legitimate correspondence.

Creating an environment where members can securely receive investment information is a key management priority for the company. In recent years, vigilance against suspicious emails, impersonation, and phishing attempts masquerading as financial or investment services has become increasingly critical. Given this environment, the company has introduced BIMI as part of its efforts to increase email reliability and ensure members can more intuitively recognize authentic communications.

◆ Asunaro Investment Advisory's Efforts Against Investment Fraud

A dialogue with a victim of impersonation fraud is currently available on the official channel "ASUNAROCLUB," reflecting a serious commitment to eradicating fraud.

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Mr. Yasutsugu Oishi and Asunaro Investment Advisory warn of the surge in SNS investment fraud amid global inflation. [Published: Dec 9, 2025, 07:00] *Secondary publication permitted.

Three Points of Improved Recognition via BIMI The expected effect of introducing BIMI goes beyond merely displaying a logo. It aims to increase the visibility of legitimate emails members receive daily, support the identification of suspicious emails, and reduce anxiety when using email services.

- Logo Display: Makes it easier to visually identify legitimate emails in supported environments. - Improved Identification: Serves as a prompt to notice differences from suspicious emails. - Fraud Prevention: Assists in alerting members to phishing and impersonation attempts.