Excelsecu Data Technology Co., Ltd. eSecu FIDO2 User Manual
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eSecu FIDO2 Security Key User Manual
(V1.0)
Excelsecu Data Technology Co., Ltd.
www.excelsecu.com
CONFIDENTIAL information of Excelsecu Data Technology Co., Ltd.
NO WARRANTIES OF ANY NATURE ARE EXTENDED BY THIS DOCUMENT. Any product and related
material disclosed herein are only furnished pursuant and subject to the terms and conditions of a duly
executed Program Product Licence or Agreement to purchase or lease equipment. The only warranties
made by Excelsecu Technology, if any, with respect to the products described in this document are set
forth in such Licence or Agreement. Excelsecu Technology cannot accept any financial or other
responsibility that may be the result of your use of the information or software material, including
direct, indirect, special or consequential damages.
You should be careful to ensure that the use of this information and/or software material complies with
the laws, rules, and regulations of the jurisdictions with respect to which it is used. All rights reserved.
Copyright © 2019 Excelsecu Data Technology Co., Ltd.
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Table of Contents
1. Important Instructions .............................................................................................................. 4
2. Product Overview ...................................................................................................................... 4
3. Product Picture.......................................................................................................................... 4
4. The Basic Operation .................................................................................................................. 5
4.1. Register (First Time Only) .............................................................................................. 5
4.2. Signing-In (After Completing Registration) ................................................................... 5
5. How to use FIDO2 Security Key with Microsoft for passwordless login .................................... 5
5.1. Register the FIDO2 Security Key .................................................................................... 5
5.2. Sign in with FIDO2 Security Key .................................................................................... 9
6. How to use FIDO2 Security Key with Google for 2-Step Verification ...................................... 10
6.1. Register the FIDO2 Security Key .................................................................................. 10
6.2. Sign in with FIDO2 Security Key .................................................................................. 14
7. FAQ .......................................................................................................................................... 16
7.1. How do I install the FIDO2 security key to my computer? .......................................... 16
7.2. I have two gmail accounts, how many FIDO2 security keys do I need to protect two
gmail account. Do I need 2 keys? ............................................................................................ 16
7.3. What should I do if I lost my FIDO2 security key? ....................................................... 16
7.4. Dose this FIDO2 security key have NFC capabilities? .................................................. 17
7.5. Dose this FIDO2 security key have Bluetooth capabilities? ........................................ 17
7.6. What applications support FIDO2 security key? ......................................................... 17
8. Product Specs .......................................................................................................................... 17
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1. Important Instructions
Thank you for using eSecu FIDO2 Security Key!
Please read this manual before operating your eSecu FIDO2 Security Key (FIDO2 Security Key
for short) and keep it for future reference.
2. Product Overview
eSecu FIDO2 Security Key is a hardware authenticator complying with FIDO2 standard and
FIDO U2F standard, which is self-developed by Excelsecu. By using an eSecu FIDO2 Security
Key, users are freed from having to remember and type passwords as well as less to worry
about their account information stolen by phishing, hacking or viruses. It uses Private / Public
Key (asymmetric) cryptography to provide strong authentication and can be used on FIDO2-
enabled or U2F-enabled services and applications as a factor of two-factor authentication,
multi-factor authentication or passwordless authentication.
3. Product Picture
The button has the following lighting states:
Steady white light: Insert the FIDO2 Security Key in the computer’s USB port.
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Flashing white light: The FIDO2 Security Key blinks white light when received an
authentication request. Press the button to complete the sign-in.
4. The Basic Operation
4.1. Register (First Time Only)
1. Enter the username and password to log in to any application that supports FIDO
U2F/FIDO2.
2. Insert the FIDO2 Security Key in a USB-A port.
3. Add the FIDO2 Security Key to your account(s).
4.2. Signing-In (After Completing Registration)
1. Open the website you want to log in.
2. Enter your usual username and password (for U2F-enabled services).
3. Connect the registered FIDO2 Security Key to your computer.
4. Authenticate with a simple press of the button.
5. How to use FIDO2 Security Key with
Microsoft for passwordless login
You need to use the Edge browser and Windows 10 operating system, and the system version
must be 1809 and above.
5.1. Register the FIDO2 Security Key
1. Click “My Microsoft account” after signing in.
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2. Select “Security”.
3. Click “more security options”.
4. You will be asked to verify your identity.
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