USB-C & Lightning YubiKey 5Ci Security Key | Yubico
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YubiKey 5Ci

GTIN: 5060408461969
$75 USD
    Works with Yubico
    Authenticator
Select package
Multi-protocol
v5.7
USB-C
Lightning
Firmware 5.7

Keep your online accounts safe from hackers with the YubiKey. Trustworthy and easy-to-use, it's your key to a safer digital world.

  • Convenient and portable: The YubiKey 5Ci fits easily on your keychain, making it convenient to carry and use wherever you go, ensuring secure access to your accounts at all times. Simply plug in via USB-C or Lightning to authenticate.
  • Versatile compatibility: Supported by Google and Microsoft accounts, password managers and hundreds of other popular services. It works with Windows, macOS, ChromeOS and Linux. "Works With YubiKey" lists compatible services.
  • Multi-protocol: YubiKey 5 Series is the most versatile security key supporting multiple authentication protocols including FIDO2/WebAuthn (hardware bound passkey), FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, Smart card (PIV) and OpenPGP.
  • Durable and reliable: High quality design and resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Securely manufactured in USA & Sweden.

Yubico Authenticator App - Compatible with the safest authenticator app experience across mobile and desktop.

Rapid deployment tray of 50 available here

Opt for greater flexibility with subscription, compared to a one-time purchasing model.
Businesses with 500+ users qualify for YubiEnterprise Subscription. YubiKeys as a service, via subscription, delivers peace of mind in an uncertain world.
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Free shipping: US/CA orders of $100+
45-day consumer returns
Made in USA & Sweden
YubiKey 5Ci
Highlights
Account takeovers
Trusted
Maximize security by adopting phishing-resistant MFA that is proven to stop account takeovers and trusted by millions of users worldwide.
Scalable
Scalable
From corporate access management to social media accounts, YubiKeys provide strong MFA, 2FA and Passwordless solutions for business and personal users.
Durable
Durable
Built to last with glass-fiber reinforced plastic. IP68 rated (water and dust resistant), crush resistant, no batteries required, no moving parts. Tough enough to carry on a key ring.
User-Friendly
User-Friendly
Yubico offers a simple and convenient authentication with plug-and-play functionality, eliminating the need for passwords or complex setups. Log in up to 4X faster with YubiKey 5.
More info
Quick links
Product overview
Key features
YubiKey
  • Broad ecosystem
    Deploy instantly with Centrify, Ping, Okta, Google and more.
  • Configurable
    Easily configure multiple protocols across computers, networks, and online applications and services.
  • Easy to use
    No battery or network connectivity required, users simply insert and tap to authenticate.
  • High quality
    Built to last with glass-fiber reinforced plastic. IP68 rated (water and dust resistant), crush resistant, no batteries required, no moving parts.
  • Trusted partner
    The YubiKey is deployed and loved by 9 of the top 10 internet brands and by millions of users.
  • Multi-protocol
    Support for WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, FIDO2 CTAP2.1, Universal 2nd Factor (U2F), Smart card (PIV-compatible), Yubico OTP, OATH – HOTP (Event), OATH – TOTP (Time), OpenPGP, Secure Static Passwords.
  • Works with
    Facebook, Twitter, Google Account, Microsoft account, Salesforce.com, Dropbox, Keeper®, 1Password, Bitwarden Premium, AWS Identity and Access Management (IAM), Duo Security, Forgerock, Idaptive, Microsoft Azure AD, Okta, OneLogin, Ping Identity.
  • Yubico authenticator app
    Compatible with the Yubico Authenticator App. The safest authenticator app experience across mobile and desktop.
  • POPULAR SERVICES
Search results (displaying 12 of 12)
Microsoft accounts Microsoft accounts Google Accounts Google Accounts macOS macOS 1Password 1Password Linux Linux KeePass KeePass Proton Proton Bitwarden Premium Bitwarden Premium Password Safe Password Safe Facebook Facebook Ubuntu Ubuntu Duo Security Duo Security
Secure it Forward
Protecting vulnerable populations one security key at a time. Yubico matches up to 5% of the number of YubiKeys purchased on Yubico.com, donating them to non-profit organizations, election campaigns, journalists and humanitarian workers around the world.
Technical specifications
Technical Specifications - Communication support
USB-A 2.0
No
USB-C 2.0
Yes
Lightning
Yes
NFC (Near field communication)
No
NFC Specifications
N/A
Technical Specifications - Device type
HID Keyboard
Yes
CCID smart card
Yes
FIDO HID
Yes
Technical Specifications - Physical
Manufactured in
USA or Sweden
Dimensions (mm)
12 x 40.3 x 5
Weight (g)
2.9
Power consumption
<150 mW
Data transfer rate
12 Mbps
USB insertion cycles
100,000+
Write/erase cycles
500,000+
Operating thermal rating
0°C to 40°C
Storage thermal rating
-20°C to 85°C
Mean Time Between Failure (MTBF)
100+ years
Crush resistance
Up to 25 N·m
Secure element
Yes
Serialized
Yes
CPID
8880001067
HS Code
8471.80.1000
ECCN
5A992.C
CAGE
6UUE2
Hardware compliance
RoHS, UKCA, CE, MFi, EU DoC, UK, DoC, FCC
Technical Specifications - Functions
Firmware
5.7
FIDO2 L2
Yes
FIDO CTAP 2.1
Yes
FIDO U2F
Yes
Passkeys (FIDO2) slots
100
Smart card (PIV)
Yes
OpenPGP
Yes
OATH – HOTP (Event)
Yes
Yubico OTP
Yes
OATH – TOTP (Time)
Yes
Challenge-response
Yes
Static password
Yes
OATH slots
64
PIV certificates
24
OTP seeds
2
Technical Specifications - Certifications
Water/Dust resistance (IP68)
Yes
FIPS 140-2 certified
No
AAL3 standards
Yes, if FIPS isn’t required by the environment
Technical Specifications - Cryptographic specifications
RSA
PIV / OpenPGP: 1024, 2048, 3072, 4096
ECC
PIV / OpenPGP: P-256, P-384
Modern curves
Ed25519 (OpenPGP sign/auth only and FIDO2), X25519 (OpenPGP decipher only), secp256k1 (OpenPGP only), brainpoolP256r1 (OpenPGP only), brainpoolP384r1 (OpenPGP only), brainpoolP512r1 (OpenPGP only)
  • The YubiKey offers seamless, passwordless authentication and enhances the staff experience

    Folks that aren’t really computer savvy are able to register so quickly, so painlessly, and then begin using their YubiKey so effortlessly and instantaneously – that’s an easy win for us.

    Art Chernobrov - Hyatt
    Scalable
  • PC Magazine Editor’s Choice award and a 5.0 Exemplary rating

    Although there are many ways to do MFA, security keys are a highly secure and convenient option. Login codes sent via text message can be intercepted, and authentication apps require that your phone be charged and available.

    PCMag - PCMAG.COM
    Scalable
  • Protecting the digital you

    New and constantly evolving threats to our digital lives demand better security solutions. A YubiKey isn’t just for companies; it’s a critical security tool that every individual should be using for their online accounts.

    Josh Summers - Creator at YouTube.com/@AllThingSecured
    Scalable
From business to home
Trusted security for all
    For individuals
    For individuals

    A YubiKey offers unmatched security for individuals by providing a simple, one-touch solution to protect your online accounts from hackers and phishing attacks.

    Unlike passwords—which can be compromised—a YubiKey keeps your information safe with hardware-based authentication.

    It's easy to use, works across multiple devices, and gives you peace of mind knowing your personal data is secure, no matter where you are.

    For businesses
    For businesses

    The YubiKey provides a scalable, high-assurance solution to secure employee access across a wide range of platforms.

    By implementing hardware-based authentication, companies can significantly reduce the risk of data breaches and phishing attacks, ensuring that only authorized users can access sensitive systems.

    Easy to deploy and manage, the YubiKey helps businesses meet compliance standards while safeguarding their assets and building trust with clients.

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