Specifications of YubiKey 5C Two-Factor Security Key
| USB Type |
: |
USB-C |
| NFC Feature |
: |
No |
| Authentication Method |
: |
Passwordless, Strong Two-Factor, Strong Multi-Factor |
| Identity & Access Management |
: |
AWS Identity and Access Management (IAM), Centrify, Duo Security, Google Cloud Identity, Idaptive, Microsoft Active Directory, Microsoft Azure AD, Okta, Ping Identity |
| Productivity & Communication |
: |
Google Account, Microsoft Account, Salesforce.com |
| Password Managers |
: |
1Password, Dashlane Premium, Keeper®, LastPass Premium |
| Functions |
: |
WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, Universal 2nd Factor (U2F), Smart Card (PIV-Compatible), Yubico OTP, OATH-HOTP (Event), OATH-TOTP (Time), OpenPGP, Secure Static Password |
| Certifications |
: |
FIDO2 Certified, FIDO Universal 2nd Factor (U2F) Certified |
| Cryptographic Specifications |
: |
RSA 2048, RSA 4096 (PGP), ECC p256, ECC p384 |
| Design & Durability |
: |
Battery-free, Static Key Design |
| Device Type |
: |
FIDO HID Device, CCID Smart Card, HID Keyboard |
| Manufacturing Origin |
: |
Made in the USA and Sweden |
YubiKey 5C — Hardware-Based Solution for Two-Factor Authentication
Before exploring the specifications and advantages of the YubiKey 5C Two-Factor Security Key, it’s helpful to understand what this compact device is. YubiKey is a hardware-based authentication solution designed to provide superior protection for both devices and online accounts.
The authentication requirements applied by YubiKey 5C Two-Factor Security Key are extremely strict, ensuring that individual or enterprise-owned devices remain secure and resistant to unauthorized access. This is especially beneficial in today’s digital age where cyber threats are increasingly sophisticated.
Its superior security combines hardware-based authentication and public key cryptography—an innovation by Yubico that effectively protects against malware, hacking, and other cyberattacks.
YubiKey supports multiple protocols including FIDO2, Yubico OTP, OATH HOTP, U2F, PIV, and OpenPGP. This gives users various authentication options—ranging from two-factor to passwordless and multi-factor login using PIN or touch verification.
YubiKey 5C Two-Factor Authentication Certified with FIDO2 and FIDO U2F
Manufactured in the USA and Sweden, the YubiKey 5C offers comprehensive specifications for reliable performance. It uses a USB-C interface and supports Passwordless, Strong Two-Factor, and Strong Multi-Factor Authentication methods.
YubiKey 5C Two-Factor Authentication integrates seamlessly with leading Identity and Access Management platforms such as AWS IAM, Centrify, Duo Security, Google Cloud Identity, Idaptive, Microsoft Active Directory, Microsoft Azure AD, Okta, and Ping Identity. It also supports productivity tools including Google, Microsoft, and Salesforce accounts.
Compatible password managers include 1Password, Dashlane Premium, Keeper®, and LastPass Premium. The key functions supported by YubiKey 5C include WebAuthn, FIDO2 CTAP1/CTAP2, U2F, PIV-compatible Smart Card, and OpenPGP among others.
The device is certified under FIDO2 and FIDO U2F standards and supports cryptographic algorithms such as RSA 2048, RSA 4096 (PGP), ECC p256, and ECC p384. It functions as a FIDO HID Device, CCID Smart Card, and HID Keyboard.
Additional benefits include its battery-free operation and solid, static design. It’s built for long-term use—durable, water-resistant, and ready for daily security demands.
YubiKey 5C Two-Factor Authentication — Fast and Time-Efficient
The YubiKey 5C Two-Factor Authentication provides an exceptional user experience with speed, simplicity, and reliability. It enables individuals and organizations to sign in faster without relying on passwords, powered by the FIDO2 protocol.
FIDO2 not only enables two-factor authentication but also eliminates weak password-based security by introducing strong, hardware-backed single-factor authentication. YubiKey simplifies secure login processes while maintaining high efficiency.
Designed for both performance and usability, the YubiKey 5C Two-Factor Security Key delivers a smooth and intuitive authentication experience—offering up to four times faster login speeds compared to OTP or SMS-based verification.
It’s extremely convenient as it requires no batteries or network connectivity, unlike many other devices. This allows faster, more secure authentication without interruptions.
The device is built for simplicity—just register via your device’s security settings, enable two-factor authentication, and insert your YubiKey 5C into a USB port. When the light indicator flashes, simply touch it to verify your identity as the legitimate user, ensuring that access is granted only to real humans, not bots or malware.
YubiKey 5C Two-Factor Authentication — Reducing the Risk of Account Theft
Using the YubiKey 5C Two-Factor Security Key has a major impact on reducing company security incidents and costs. Studies have shown that organizations implementing YubiKey reduced password-related incidents by up to 92% — a significant improvement in cybersecurity efficiency.
This data was documented in a Google research paper describing its deployment across 70+ countries. The rollout was faster and more cost-effective thanks to YubiKey’s compatibility with various systems, services, and authentication protocols.
YubiKey is now widely recognized as a trusted, secure authentication solution used by leading global enterprises across industries such as technology, finance, and retail.
It is adopted by 9 of the world’s top 10 technology companies, 4 of the top 10 U.S. banks, and 2 of the top 3 global retailers. Industry giants such as Google, Facebook, and Salesforce use YubiKey to protect employee accounts and critical systems.
Thousands of other organizations also trust YubiKey for safeguarding their data and preventing unauthorized access. Protecting digital accounts, networks, and online services with YubiKey 5C Two-Factor Authentication is an essential step toward stronger cybersecurity.