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Yubico - YubiKey 5Ci - Two-Factor authentication Security Key for Android/PC/iPhone, Dual connectors for Lighting/USB-C - FIDO Certified

4.5 4.5 out of 5 stars 1,803 ratings
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YubiKey 5Ci

Purchase options and add-ons

  • Dual connector: Yubico YubiKey 5Ci is an innovative multi-protocol hardware authenticator featuring a dual connector for lightning and USB-C ports. With the Lightning connector, you can protect your iOS mobile apps and connect with a simple touch.
  • Compatibility: Yubico 5Ci provides the YubiKey 5Ci, on the one hand, with the functionality to support thousands of apps and protect their account credentials. The Lightning connector, on the other hand, is innovation-oriented and is currently compatible with a limited number of applications.
  • FIDO: YubiKey 5Ci is FIDO-certified and supports Google Chrome and any other FIDO compatible application on Windows, Mac OS or Linux. Protect your login credentials and protect your Gmail, Facebook, Dropbox, Outlook, LastPass, Dashlane accounts and many more.
  • Multi-protocol support: This YubiKey offers multi-protocol support including FIDO (U2F, FIDO2), Yubico OTP, OATH-TOTP, OATH-HOTP, Smart Card (PIV), OpenPGP and challenge response capability to ensure strong hardware-based authentication.
See more product details

Customer ratings by feature

Durability
4.2 4.2
Tech Support
4.2 4.2
Easy to use
4.0 4.0
Value for money
3.9 3.9

Frequently bought together

$75.00
Get it as soon as Monday, Mar 25
In Stock
Sold by Yubico Inc. and ships from Amazon Fulfillment.
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$55.00
Get it as soon as Monday, Mar 25
In Stock
Sold by Yubico Inc. and ships from Amazon Fulfillment.
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$50.00
Get it as soon as Monday, Mar 25
In Stock
Sold by Yubico Inc. and ships from Amazon Fulfillment.
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Product Description

YubiKey security key Series 5 lineup

Trusted

Durable

YubiKey security key being used with phone

Trusted

Yubico's security keys are trusted by individuals, businesses, and governments worldwide for strong protection against phishing, account takeovers, and cyber threats.

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

Yubico's security keys are designed with simplicity in mind, with intuitive setup processes and convenient form factors for on-the-go use. Just tap to go.

A list of key features including wireless support, durability, and more

Trusted by highly regulated industries

Developers

Retail professionals

Healthcare workers

Female engineer in neon vest looking at cell tower

Technology

High Tech companies are the single most targeted industry for cyberattacks. Bad actors are relentlessly trying to acquire technological IP – patents, code, trade secrets, and strategic plans. Yubico can help tech organizations stay agile without sacrificing strong security.

Retail and Hospitality

Retail and hospitality organizations are focused on delivering quality products and services to their customers while mitigating cyber risks. Yubico ensures peace of mind that sensitive information including customer and financial data is secure and protected.

Healthcare

Healthcare institutions are challenged with providing high quality patient care, while mitigating cybersecurity risks like ransomware attacks and data breaches. Yubico can help you secure patient data while ensuring compliance and strong login authentication.

Energy and natural resources

Energy, utility, and resource entities can implement robust, easy-to-use authentication with the YubiKey. Secure applications and infrastructure against ransomware attacks. Block cyber threats that cause operational disruption and customer frustration.

Services compatible with YubiKeys
Yubikey YubiKeyYubiKey YubiKey YubiKey Yubikey Yubikey
YubiKey 5Ci YubiKey 5C NFC YubiKey 5 NFC YubiKey 5 Nano YubiKey 5C YubiKey 5C Nano
Customer Reviews
4.5 out of 5 stars
1,803
4.6 out of 5 stars
3,913
4.7 out of 5 stars
10,947
4.6 out of 5 stars
1,026
4.4 out of 5 stars
1,461
4.4 out of 5 stars
1,048
USB Port Type USB-C + Lightning USB-C USB-A USB-A USB-C USB-C
Mobile Authentication via NFC
Form Factor Keychain Keychain Keychain In port Keychain In port

YubiKey 5Ci Technical specifications

Connector USB-C + Lightning
NFC-enabled No
GTIN 5060408461969
Authentication methods Passwordless, strong two factor, strong multi-factor
Design & durability IP68 Water resistant, crush resistant, no batteries required, no moving parts
Device type FIDO HID Device, CCID Smart Card, HID Keyboard
Manufacturing Made in USA and Sweden
Productivity & communication Google account, Microsoft account, Salesforce.com
Password managers 1Password, Dashlane Premium, Keeper, LastPass Premium
Cloud storage Dropbox, Google Drive, OneDrive
Social Facebook, Twitter, YouTube
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
Function WebAuthn, FIDO2 CTAP1, FIDO2 CTAP2, Universal 2nd Factor (U2F), Smart card (PIV-compatible), Yubico OTP, OATH – HOTP (Event), OATH – TOTP (Time), Open PGP, Secure Static Password
Certifications FIDO 2 Certified, FIDO Universal 2nd Factor (U2F) Certified
Cryptographic specifications RSA 2048, RSA 4096 (PGP), ECC p256, ECC p384
Sustainability Recycle as hardware

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Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Yubico - YubiKey 5Ci - Two-Factor authentication Security Key for Android/PC/iPhone, Dual connectors for Lighting/USB-C - FIDO Certified


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Customer reviews

4.5 out of 5 stars
4.5 out of 5
1,803 global ratings

Customers say

Customers like the computer component for its impressive protection against hackers. They say it's a discreet and good security key that protects codes from Authenticator. However, some customers differ on ease of setup and performance.

AI-generated from the text of customer reviews

21 customers mention21 positive0 negative

Customers are satisfied with the security of the product. They mention that it is a good security key, it provides impressive protection against hackers, and it is discreet. It works well for protecting online accounts, and prevents theft of funds and loss of data from iCloud.

"...to implement (see YouTube, iphone security) and will protect you against theft of funds and loss of data from iCloud...." Read more

"...It's very small and key chain able . Possibly needs protective something to last on a bigger keychain...." Read more

"Great additional layer of security." Read more

"...anything about its technology, it definitely seems to be a nice extra form of security to add...." Read more

50 customers mention29 positive21 negative

Customers are mixed about the performance of the computer component. Some mention that it works great with iPad, iPhone, and other devices that support NFC. However, others say that it doesn't work for Macs, the software it's advertised with doesn''t works, and the lightning plug works once but not consistently.

"...thing - this key has it's keyring hole in the center, which works surprisingly well; it sits on my keychain nicely even though I worried it..." Read more

"...DOES NOT WORK FOR USB-C ipad there is no key for iPad Apple ID protection...." Read more

"A little hard to get started for elderly but works great after the first time!" Read more

"...These products are not supported by apple. There is nothing in the information that addresses this...." Read more

28 customers mention11 positive17 negative

Customers are mixed about the ease of setup. Some mention that it's easy to implement and work with any device, while others say that it’s cumbersome, difficult to get started, and not user friendly.

"...This is a bit cumbersome but hopefully it'll get easier with time...." Read more

"Protects Apple ID Password. This device was easy to implement (see YouTube, iphone security) and will protect you against theft of funds and loss of..." Read more

"A little hard to get started for elderly but works great after the first time!" Read more

"Easily configured for my Apple hardware.Works for my iPhone; iPad and Mac computers...." Read more

Yubico Recommends a Spare Key to Be Activated at the Same Time
3 Stars
Yubico Recommends a Spare Key to Be Activated at the Same Time
My spare key arrived and I changed my review from one star to three stars. Though setup is not straight forward, this key does work on my Mac and iPhone. It's not cheap when you get two for twice the price of one. Also after reading reviews, I purchased a key fob case to keep them in since one review said they don't last when placed on your regular key chain. It's easy to use once you manage to get it setup.I just ordered my 2nd Yubico Key 🤕. Why? Yubico has a nice informative video on their get started page. The URL can be seen in the picture. There they inform you about having a spare key and recommending setting the primary and the spare up at the same time. 🤕. Probably a good idea. So I promptly ordered the same key.Why the ONE STAR? It would have been nice to have been informed about the need for a spare key on their product page where I made my first purchase. Of course I might have changed my mind since it would be double the price. Hey Yubico!!! If you're listening, why don't you present the option to buy a primary key with a spare at the same time at a good price for both?This is liable to be a fine product. I'll find out when my spare key arrives and I can follow their recommendation.🤔. So the whole purpose of this review is to help others not have shattered expectations that you're fully ready to go when the first solo key arrives. Would I recommend this product to others? If you can afford to own a dog that requires regular grooming, yes, probably. I'll know when I start using my keys (plural). Otherwise no. Would I have made this purchase knowing what I know now? Probably not, unless they offered a primary and spare together for a good purchase price for the both of them. Am I happy with this product? At the moment, no. Hopefully that will change when my spare arrives and I finally begin using the product.
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Top reviews from the United States

Reviewed in the United States on July 26, 2023
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21 people found this helpful
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Reviewed in the United States on September 9, 2023
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12 people found this helpful
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Reviewed in the United States on February 22, 2024
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Reviewed in the United States on May 21, 2023
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Reviewed in the United States on January 15, 2024
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Reviewed in the United States on March 12, 2024
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Reviewed in the United States on November 19, 2023
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Reviewed in the United States on November 21, 2023
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Top reviews from other countries

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Claude
5.0 out of 5 stars Le prix et la qualité
Reviewed in Canada on March 9, 2024
Size: YubiKey 5CiVerified Purchase
Mara
3.0 out of 5 stars Los devolví, no funcionaron!!
Reviewed in Mexico on June 9, 2023
Size: YubiKey 5CiVerified Purchase
One person found this helpful
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オムレツ
4.0 out of 5 stars PINが少し面倒
Reviewed in Japan on July 23, 2023
Size: YubiKey 5CiVerified Purchase
2 people found this helpful
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Great product easy to use
5.0 out of 5 stars Ease ,quality made
Reviewed in Canada on January 24, 2024
Size: YubiKey 5CiVerified Purchase
Frédéric B
5.0 out of 5 stars Top produit pour sécurisation de comptes
Reviewed in France on July 10, 2023
Size: YubiKey 5CiVerified Purchase
3 people found this helpful
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