ePass FIDO USB-A A4B
ePass FIDO USB-A A4B is a FIDO2 & U2F certified ePass FIDO Security Key A4B with 2FA, OTP (HOTP/TOTP) and GIDS support to prevent phishing and MITM attacks.
ePass FIDO USB-A A4B for FIDO U2F & FIDO2 & HOTP & TOTP – USB-A

Key Features – ePass FIDO USB-A-A4B
- FIDO U2F & FIDO2 Certified Security Key
Ensures compliance with global FIDO authentication standards for strong, phishing-resistant security. - Standard HID Device Recognition
Identified as a plug-and-play HID device for seamless deployment without additional drivers. - USB Interface
Simple and reliable USB connectivity for fast authentication across supported systems. - Integrated Smart Card Secure Element
Protects cryptographic keys within tamper-resistant hardware for enhanced security. - Strong Account Protection with 2FA, U2F & FIDO2
Prevents unauthorized access to online accounts using modern, passwordless authentication methods. - Supports OTP (HOTP/TOTP) and GIDS
Adds flexible authentication options while effectively preventing phishing and Man-In-The-Middle attacks. - Single Authenticator for Multiple Applications
One security key can be securely used across multiple services and platforms. - Wide OS and Application Compatibility
Works with the latest Google Chrome and other FIDO-compliant applications on Windows, Mac OS, and Linux, including Gmail, Facebook, and Dropbox. - Durable and Compact Design
Built for everyday use with a lightweight, portable form factor suitable for personal and enterprise environments.
Details of ePass FIDO USB-A A4B
The ePass FIDO USB-A-A4B is part of the ePass FIDO® series of single-button FIDO security keys designed for strong, phishing-resistant authentication based on global standards. It supports FIDO U2F and FIDO2 protocols, ensuring modern, cryptographic-based protection for online accounts against unauthorized access and account takeover.
Built as a driver-free USB HID device, the key works seamlessly on major desktop platforms including Windows, macOS, and Linux without additional software, making deployment fast and simple.
The ePass FIDO series features infinite key pair storage, allowing registration of unlimited accounts on a single key, and it employs SHA-256 with ECDSA on P-256 cryptographic algorithms for robust security.
We also offers customization options for casing, packaging, and physical design, enabling tailoring to specific requirements such as metal housings, waterproofing, and branded engraving.


Specification of ePass FIDO USB-A A4B
| Specification | Details |
|---|---|
| Product Name | ePass FIDO USB-A-A4B |
| Product Type | Hardware Security Key |
| Certification | FIDO U2F & FIDO2 Certified |
| Interface | USB-A |
| Device Identification | Standard HID (Human Interface Device) |
| Secure Element | Smart Card–based Secure Element |
| Authentication Methods | FIDO2, FIDO U2F, 2FA |
| OTP Support | HOTP / TOTP |
| GIDS Support | Yes |
| Cryptographic Protection | Hardware-based key storage |
| Phishing Protection | Yes |
| Man-In-The-Middle Protection | Yes |
| Supported Operating Systems | Windows, macOS, Linux |
| Browser & App Compatibility | Google Chrome and all FIDO-compliant applications |
| Multi-Account Support | Single authenticator for multiple applications |
| Form Factor | Compact and portable |
| Build Quality | Durable design for daily use |
What is ePass FIDO USB-A-A4B?
The ePass FIDO USB-A-A4B is a FIDO U2F and FIDO2 certified hardware security key used to protect online accounts with strong, phishing-resistant authentication.
How does the ePass FIDO Security Key A4B work?
It uses hardware-based cryptographic authentication instead of passwords, ensuring secure login through FIDO2, U2F, or 2FA methods.
Does ePass FIDO USB-A-A4B support OTP?
Yes, it supports OTP authentication including HOTP and TOTP, along with GIDS support for additional security use cases.
Is the ePass FIDO USB-A-A4B compatible with Windows, macOS, and Linux?
Yes, the device works seamlessly on Windows, macOS, and Linux without requiring additional drivers.
Can one ePass FIDO Security Key A4B be used for multiple accounts?
Yes, a single security key can be registered with multiple FIDO-compliant applications and services.
Does this security key protect against phishing attacks?
Yes, the ePass FIDO USB-A-A4B is specifically designed to prevent phishing and Man-In-The-Middle attacks through FIDO authentication.
Contact us
AFT PRODUCTION
219-B, Konark Hub, Pune 411048, Maharashtra, India
📞 +91 96738 43073 | ✉️ contact@aftindia.in
🌐 www.aftindia.in | https://aftproduction.com
