Siiibo Introduces Passkeys
2026-06-30 09:18:03

Siiibo Securities Implements Mandatory Passkey Authentication for Secure Logins

Siiibo Securities Introduces Passkey Authentication System



Siiibo Securities Co., Ltd., headquartered in Chuo, Tokyo, has announced a significant update to its login protocol, implementing mandatory passkey authentication for its platform. Starting June 30, 2026, new customers will be required to register a passkey for account access, while existing users will transition to this security measure at a later date. This decision stems from the recent revisions to the Financial Services Agency's guidelines for financial service providers aimed at enhancing security measures, particularly against phishing attacks.

Why Passkey Authentication Matters



The shift to passkey authentication is a proactive step to comply with guidelines issued on October 15, 2025, by the Financial Services Agency and the Japan Securities Dealers Association. These guidelines necessitate that all securities firms strengthen their defenses against online threats through the adoption of multi-factor authentication that is resistant to phishing attacks.

Enhanced Phishing Resistance



One of the standout features of the new passkey system is its ability to connect directly with the Siiibo Securities website’s domain information. This domain-specific management effectively prevents unauthorized access through fraudulent websites, thereby significantly increasing the protection against phishing attempts.

No More Password Hassles



Using passkeys eliminates the need to enter passwords altogether. This innovation means that even if a device is lost or a password is compromised, unauthorized users won’t have the ability to log in. This reduction in reliance on traditional passwords not only enhances security but also streamlines the user experience.

Quick and Convenient Logins



Creating a passkey allows users to take advantage of their device’s built-in authentication features, enabling rapid logins without the need to remember or input complex passwords. This instant access facilitates a smoother transition into trading activities on the platform.

For comprehensive information regarding the passkey authentication process, Siiibo Securities encourages users to refer to their official passkey guide.

The Mission of Siiibo Securities



Siiibo Securities operates with the mission of creating a financial marketplace that is free, transparent, and fair. Focused exclusively on corporate bonds, Siiibo is the only online securities firm in Japan dedicated to this financial product. The platform provides both individual investors and companies with a robust mechanism to issue and manage bonds online, thus enhancing financial accessibility for all stakeholders.

About Corporate Bonds



Corporate bonds offer a straightforward investment option where investors can directly lend money to businesses. Each bond comes with distinct interest rates and repayment terms based on the issuing company’s profile. This investment type aims to provide consistent income, often regarded as less risky compared to stock investments, thereby offering clear risk-return profiles. Additionally, interest earned on corporate bonds is subject to separate taxation, which benefits investors seeking direct transactions without intermediary risks.

About Siiibo Securities Company


  • - Company Name: Siiibo Securities Co., Ltd.
  • - CEO: Kazuki Komura
  • - Location: 8F FinGATE TERRACE, 8-1 Nihonbashi Kabutocho, Chuo, Tokyo 103-0026
  • - Establishment: January 11, 2019
  • - Paid-in Capital: ¥1.62759 billion (as of February 2025)
  • - Website: siiibo.com

Regulatory Information


  • - Business Name: Siiibo Securities Co., Ltd.
  • - Registration: Registered as a Type 1 financial instrument business operating under the Kanto Local Financial Bureau, license number 3230.
  • - Affiliated Association: Japan Securities Dealers Association.

For inquiries, please contact Siiibo Securities Public Relations at [email protected].

Siiibo Securities is dedicated to providing a high level of service that ensures security and convenience for all customers.


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Topics Financial Services & Investing)

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