Google Case Study. Click Login and Contact Support at the bottom of the page. We’ve done it! Together, with Microsoft, we’ve officially made it possible for hundreds of millions of Microsoft users around the world to log in without a password on their personal Microsoft accounts (MSA), with a YubiKey 5 or Security Key by Yubico. To find compatible accounts and services, use the Works with YubiKey tool below. (if you do this option set up 2). Maximum Limit Account per YubiKey. For. A YubiKey is the ultimate line of defense against having your online accounts taken over. Replied on April 2, 2019. Spare YubiKeys. If an account you added uses HOTP, or if you set the TOTP account to "require touch", you will first have to tap the credential (and then tap the gold YubiKey contact, if prompted) to display the current code. Using the same YubiKey smart card for multiple. Maybe 150 for me, and 25 for family members. Setting a Yubikey with Auth0 is a relatively straightforward process; all you need is the. The keys are stored on the key itself rather than on your devices or the cloud. While compatibility limitations and initial setup complexity may exist, the YubiKey 5C remains a. Checked = On, Unchecked = Off. Yubico - YubiKey 5C NFC - Two-Factor authentication (2FA) Security Key, Connect via USB-C or NFC, FIDO Certified - Protect Your Online Accounts $55. For example, Windows and Mac OS user accounts don’t support One Time Password, so you have to use a traditional static (unchanging) password. You are then prompted for an authenticator code. 3 x 5mm) Weight: 3g (0. I have come to understand there are some (fairly low) limits on how many accounts you can use certain types of. Once I save the file, I encrypt it with my PGP public key, delete the *. If policy allows it, the YubiKey can also be used for personal use in the case of using U2F for two factor authentication to websites like Google and. Have not installed the Authenticator because I. This enables users to have FIDO-based authentication to websites. Tap Add Security Keys, then follow the onscreen instructions to add your keys. The Yubikey is a small, single-purpose USB device that adds strong authentication capability to your user accounts. Secure it Forward: One YubiKey donated for every 20 sold. On the device you want to add, sign in with the same Apple ID you used to turn on two-factor authentication. In order to authenticate a user with a Yubico OTP, the OTP must be checked to confirm that it is both associated with the user account in question and valid. I’ve used this device for over a year and want to share whether it’s worth using. The double-headed 5Ci costs $70 and the 5 NFC just $45. So really it will not make nay difference with regards to Outlook. One of the most common keys is the YubiKey. Don’t insert your YubiKey yet. Has anyone set Yubikeys for use for MFA, passwordless and smartcard authentication? This link says you can use Yubikey PIV Manager to enforce some basic PIN complexity requirements (require at least 3 different character types in the PIN). The SCFILTERCID_ID# value for the YubiKey will be displayed. At the prompt, enter your Mac User ID password. Yubico always recommends adding two keys to each of your online services and accounts; one primary and one secondary as backup in case the primary is lost. The Configuring User page appears as shown below. Using a security key as a form of two-factor authentication is a simple and proven method for locking down your accounts and keeping them secure. open-source; yubico services; Protecting vulnerable organizations. Well, today, a HUGE thumbs up has happened — Facebook has upgraded the login security for its 1. With the release of the YubiKey 5Ci device with firmware 5. Step 6: When you are satisfied with the settings, to add the YubiKey as a credential, click Add. 70 £ 67 . I have not yet tried to pair YubiKeys 3 and 4 with an account so perhaps i will get #3 and 4 and give it a go. Then when you add the security keys to your account add yours and hers and then on her account she can add both yours and hers. Open System Settings and select your Apple ID, then click Password & Security. Use the Yubico Authenticator for Desktop on your Microsoft Windows, Mac (OS X and macOS), or Linux computers to generate OATH credentials on your YubiKeys. Yubico OTPs can be used for user authentication in single-factor and two-factor authentication scenarios. Ideally, you should register two YubiKeys onto services you care about in order to minimize the potential for you losing access to all your forms of MFA. 5 out of 5 stars 1,400 ratings. As holiday revenues grow, so does the temptation for criminals to take a part of the action for themselves – over […]The FIDO2 application allows for secure single and multi-factor authentication, and can store up to 25 resident credentials. 3 or later, an iPad on iPadOS 16. In addition to mobile authentication and Token2, UserLock now partners with Yubico to offer companies the chance to use YubiKeys to protect their Windows Active Directory users. of collections--2. This certificate authenticates the device or user for whatever service they. Given physical access to an unencrypted laptop, an evil maid attack is. The YubiKey 5 NFC is the #1 security key that works with more online services and applications than any other security key. Interface. Yubico says the YubiKey Bio also works with Microsoft (Office) 365 and other Microsoft accounts. The practical limit I've been told by some Google tech-savvy product folks is around 10 keys. ridobe • 1 yr. This is your local computer password, not your iCloud account password. Keep reading this Yubico YubiKey 5 NFC review to learn more. Under products and Services, select Microsoft 365 and Office Option. I suspect anyone with a US deposit account is covered, so long as their bank is Member FDIC (most are). Yubico Authenticator adds a layer of security for online accounts. Its compatibility with USB-C devices ensures seamless connectivity, and it supports various authentication protocols and services. Where you can use it. The YubiKey 5 series, image via Yubico. YubiKey. Step 1: In the Windows Start menu, select Yubico > Login Configuration. Online Accounts Yubico Authenticator adds a layer of security for online accounts. USB-A. If you're not sure which slot to use, use slot 1. YubiKey offers users an easy and secure second factor of authentication. Based on feedback and. The new YubiKey retails for $55 and can be used to log into any Windows, Mac, Linux, Android or iOS device that has either a USB-C port (such as most modern laptops, Android phones and iPad Pros. Given physical access to an unencrypted laptop, an evil maid attack is extremely easy. losing your phone), you’ll have a second option to use to get access to your account. From the Yubikey specs page: OATH. The cryptographic. 2, Yubico offers support for the latest FIDO2/WebAuthn functionality, offering advancements in FIDO credentials management and protection. The YubiKey 5C provides strong and reliable two-factor authentication, offering secure protection for online accounts. Note: How the YubiKey works- 1. All current TOTP codes should be displayed. I also use bitwarden otp whenever possible. The YubiKey 5 Series eliminates account takeovers by providing strong phishing defense using multi-protocol capabilities that can secure legacy and modern systems. YubiKey (MFA). Pre-Configured Yubikey Certificate Slots. For the Touch-Triggered OTP functions, the YubiKey can hold up to two different configurations. Browsers that support security keys include Google Chrome, Microsoft Edge, Opera One, Firefox, Brave, Safari, and Maiar. When logging into an account with a YubiKey registered, the user must have the account login credentials (username+password), and the YubiKey registered to the account. You can add security keys to your account on an iPhone on iOS 16. " Now the moment of truth: the actual inserting of the key. Yubico. Note that plugging in your YubiKey requires you to also physically touch the key. Desktop: Insert your YubiKey into your mobile device. Remove your YubiKey and plug it into the USB port. These OTP configurations are stored in “OTP Slots”, and the user differentiates which slot to use by how long they touch the gold contact; a short touch (1 2. Financial stuff, about 10 right there. websites and apps) you want to protect with your YubiKey. IMP: Register and test a second key as a backup. The YubiKey may provide a one-time password (OTP) or perform fingerprint (biometric). Passkeys are like passwords, but better. The YubiKey Bio will be the first product to introduce biometric capabilities (in addition to PIN) to our portfolio of YubiKeys. Yubikeys can be set up as security keys but if an iPhone becomes compromised (if for example, you are forced to tell someone the code to unlock your phone prior to them stealing it from you) then yubikeys can be added or removed without the. WebAuthn Compatibility. Secure your accounts and protect your data with the Yubico Authenticator App. Click on Smart Cards -> YubiKey Smart Card. Click Use a mobile app, and you’ll see a QR code. If the answer is yes, ho many accounts max can we enroll on one yubikey? If you configure the YubiKey with the YubiKey factor type in, Okta is not going to work. I was wondering if any banks worth using (so not bank of america) have implemented yubikey as of yet. 3 hours ago · Save up to 89% on Black Friday streaming deals from Hulu, Disney Plus, Max, Peacock, Paramount Plus, and more Written by Brendan Griffiths 2023-11-24T08:00:01ZApple AirPods Max. $55. Its compatibility with USB-C devices ensures seamless connectivity, and it supports various authentication protocols and services. Depends on which key you have but the 5 has I think a limit of 32 accounts. Configuring User. Mavoryx • 2 yr. Setting up your YubiKey is easy, simply pick your YubiKey below and follow our guided tutorials to get started protecting your favorite services. The YubiKey 5 Series supports most modern and legacy authentication standards. Interestingly, this costs close to twice as much as the 5 NFC version. Each YubiKey 5C NFC key comes with a static password too, so when you open an application or account, say Twitter, for instance, you’ll be prompted to enter your 2FA key after logging in. 4. If there was some limit that allowed only a main YubiKey and a backup - then we would be in a situation where we would both need a YubiKey "copy" (the shared YubiKey). 3 or later, an iPad on iPadOS 16. Learn more >. Yubikey can be used for true two factor authentication on windows using rohos software and setting it up for challange key on slot one. Open the Settings app. The Web Authentication API (also known as WebAuthn) is a specification written by the W3C and FIDO. Yubico is a company that sells the "YubiKey," a small piece of hardware that protects access to computers and online accounts by providing strong two-factor authentication in lieu of receiving a. couple of admin accounts should you break a key. My point is that a Yubikey by itself may help with unauthorized access, but without a backup plan, you overall risk may be greater, because you run a risk of losing the Yubikey. USB C to USB Adapter(2 Pack), Syntech USB-C Male to USB 3. FIDO2 is a different beast entirely. The theoretical limit is higher than the practical limit. Note: If this prompt doesn't appear, see the Troubleshooting and Additional Topics section below. Two-factor authentication is an extra layer of security for your Apple ID, designed to make sure that you're the only one who can access your account—even if someone else knows your password. The Yubico OTP is based on symmetric cryptography. Hilight the first YukiKey 1 field, insert the YubiKey and press the gold contact of the YubiKey. Tap Add Account on Authy. Or simply "turn on" Apple's version but "what" it is for is probably much higher. upn: Each user’s User Principal Name from Azure AD serial number: A unique identifier, recommend using the serial number of the YubiKey secret key: A randomly generated OTP secret. The YubiKey 5 NFC uses a USB 2. To recap; use both Yubikey for work and home, carry one on your keys or a lanyard, keep one safe at home as a “backup” (you’d use it to recreate the tokens if you lose / damage the “main” key). I'm not OP, and I only have TOTP on about 10 accounts, but I have about 175 accounts in my password manager. . Convenient and portable: The Security Key NFC fits easily on your keychain, making it convenient to carry and use. pfx file for import. Challenge response issues out a secret key, with which you can implant into any yubikey in the future. A minor inconvenience but something to keep in mind. Stops account takeovers. ago • Edited 1 yr. 25 FIDO2 Resident Credentials (pretty specific use case for this) 1 of the following (YubiOTP, HOTP, Challenge/Response, Static Password) another 1 of the following (YubiOTP, HOTP, Challenge/Response, Static Password) There are only 3 key slots, but. And a full range of form factors allows users to secure online accounts on all of the. . It can take up to 5 seconds for the two devices to complete the operation. In the upper-right corner of any page, click your profile photo, then click Settings. A minor inconvenience but something to keep in. The standard for U2F is to either use key wrapping and store the encrypted key on the web service (e. Importance of having a spare; think of your YubiKey as you would any other key. The protocol is designed to act as a second factor to strengthen existing username/password-based login flows. Requirements macOS High Sierra (10. Learn how using YubiKey products with. Each Security Key must be registered individually. 3. Today I was able to disable security codes via SMS/Phone call while continuing to use the enrolled Yubikey security keys. The YubiKey Security Key C NFC is pretty simple to set up – at least, on some devices. That’s why it can act as a WebAuthn/FIDO authenticator, a Smart Card, an OTP device, and much more, all in one device. Step 1: Use the Yubico Authenticator app, to scan the QR code from the first time you registered a YubiKey to this account. $ step kms create --json 'yubikey:slot-id=84' $ step kms create --json 'yubikey:slot-id=85' Finally, to enable your CA in ca. e. Step 3: Locate the authenticator code from your Yubico Authenticator. Some websites have you set up a PIN on your Yubikey when enrolling your device. Yubico Authenticator App for Desktop and Mobile | Yubico. Make them both your UBC at first by registering them to yourself and making the second one a backup of the first one during the setup process. Near Field Communication (NFC) Keep your online accounts safe from hackers with the Security Key by Yubico. Created by a company called Yubico, the Yubikey can be used in place of passwords to offer individuals more security than standard two-factor authentication applications. SECURITY KEY: Protect your online accounts against unauthorized access by using 2 factor authentication with the Yubico YubiKey 5 Nano security key - the world's most protective USB security key that works with more online services/apps than any. 0 Female Adapter Compatible with iPhone 15 Pro Max MacBook Air Pro iMac iPad mini Dell. There are limitations with the YubiKey in terms of supported accounts. An advantage to Yubikey is that it comes on a USB that cannot be identified. Then click Allow button or press Return Key. YubiKeys are also easily re-programmed, making them suitable for rotating-shift and temporary workers. The YubiKey 5 series can hold up to 32 OATH credentials and supports both OATH-TOTP (time based) and OATH-HOTP (counter based). Yubico has offered the YubiRevoke service to help with this aspect, which is a centralized way to disable YubiKeys validated through the. My web site host alone has 3 different logins. The applications on the YubiKey hardware are limited to contain only authentication secrets and keys either generated internally or loaded by users; none of the functions on a YubiKey are designed for mass storage of data. Its compatibility with USB-C devices ensures seamless. 3. Step 3: Locate the authenticator code from your Yubico Authenticator. g. It can be used as a secure login key or. 70 Yubico - YubiKey 5C NFC - Two Factor Authentication USB and NFC Security Key, Fits USB-C Ports and Works with Supported NFC Mobile Devices - Protect Your Online Accounts with More Than a Password Yubico - YubiKey 5 NFC - Two-Factor authentication (2FA) Security Key, Connect via USB-A or NFC, FIDO Certified - Protect Your Online Accounts Download and run YubiKey for Windows Hello from the Store. Select Choose another option, and then Select Security Key. Create a Google Account. Using a Yubikey allows you to do a one-touch login and have as many Yubikeys as you want. Discover the simplest method to secure logins today. The YubiKey is a hardware authentication device manufactured by Yubico to protect access to computers, networks, and online services that supports one-time passwords (OTP), public-key cryptography, and authentication, and the Universal 2nd Factor (U2F) and FIDO2 protocols [1] developed by the FIDO Alliance. The OTP interface (static password) is effectively (as far as the computer is concerned) a USB keyboard. Buy YubiKey 5, Security Key with FIDO2 & U2F, and YubiHSM 2. A physical hardware key is one of the most secure. 3 and above so that the user can act upon them. Instead of having multiple keys for one account, all you need is KeepassXC as TOTP and password management. Once you’ve. YubiHSM 2 & YubiHSM 2 FIPS. Simply put, this means that Facebook users, from individuals to the largest organizations, can have peace-of-mind knowing their. Step 1: Add a YubiKey to your account. Yubico YubiKey 5C - Two Factor Authentication USB Security Key, Fits USB-C Ports - Protect Your Online Accounts with More Than a Password, FIDO Certified . Yubico YubiKey. Convenient and portable: The YubiKey 5 NFC fits easily on your keychain, making it convenient to carry and use wherever you go, ensuring secure access to your accounts at all times. 168; asked Aug 11, 2015 at 8:57. Click Login and Contact Support at the bottom of the page. I've registered two Yubikeys on my iPhone 11 Pro Max with iOS 16. The YubiKey 5 NFC has six distinct applications, which are all independent of each other and can be used simultaneously. We do recommend registering a backup key wherever possible just in case you lose you primary key. However, for the more secure FIDO2 authentication (which you. Multi-protocol. See full list on support. Something user knows. Download the app “Yubico Authenticator”. ago. 5. “The YubiKey is a hardware authentication device manufactured by Yubico to protect access to computers, networks, and online services that supports one-time passwords (OTP), public-key cryptography, and authentication, and the Universal 2nd Factor (U2F) and FIDO2 protocols [1] developed by the FIDO Alliance. You can add up to five YubiKeys to your account. A YubiKey is a handy tool that you can use to prove your identity on the web, usually on top of existing password authentication. Create a strong password & a more secure account. The YubiKey was created to make stronger authentication available and easy to use for all. Experience stronger security for online accounts by adding a layer of security beyond passwords. Performs RSA or ECC sign/decrypt operations using a private key stored on the smart card, through common. If the phone does not read anything from the YubiKey/does not make a confirmation noise, try setting the NDEF slot for NFC usage and try these steps again. You can use YubiKey 5 NFC security key to add an extra layer of protection for your Online accounts. With its compatibility with USB-C devices, it ensures seamless connectivity. In fact, to breach it, hackers would need physical access to your key. Desktop: Insert your YubiKey into your mobile device. Protecting vulnerable organizations. RSA seems to be one of the more common recommendations (over DSA) these days. Inconsistent use of two-factor authentication. Paul Martin Hi Paul! Your same key can be used across multiple accounts, and you only need to register it one time. Secure it Forward: One YubiKey donated for every 20 sold. The Nano model is small enough to stay in the USB port of your computer. Help center. The YubiKey 5 series, image via Yubico (Yubico) Pricing of the 5 series varies. Downloads. Some features depend on the firmware version of the Yubikey. Email and social media and VPNs, another 12 or so. PIN is typically shorter and less complex than password. Unlimited. I re-added the Yubikey. Biometric. Product. Use YubiKey Manager GUI to identify your key. On the next screen, click on Add Security Keys or press Return Key. If you lose your Yubikey, you can still use your phone authenticator app, but you cannot create a backup Yubikey. It took me an embarassingly long time to add 2FA to my password manager, Bitwarden. Open the Details tab, and the Drop down to Hardware ids. This is what the link to the directory noted by the poster above indicates. NYC & Newfoundland. pdf. Compatibility - Works with Windows, macOS, Chrome OS, Linux, leading web browsers, and hundreds of services. 0 interface as well as an NFC. Hidden shortcomings is that Yubikey 5 has lot of features and a learning curve. The YubiKey 5 Series is a hardware-based authentication solution that provides superior defense against phishing, eliminates account takeovers. Yubico is a company that sells the "YubiKey," a small piece of hardware that protects access to computers and online accounts by providing strong two-factor authentication in. *The YubiKey FIPS (4 Series) and YubiKey 5 FIPS Series devices, when deployed in a FIPS-approved mode, will have all USB interfaces enabled. Yubico Authenticator iOS app (v. To avoid this, simply enroll your key on your phone. ). Google) via the key handle, or in the case of Yubico, to store a MAC and nonce as the key handle. FIDO2 authenticators YubiKey 5 Series. OTP: FIPS 140-2 with YubiKey 5 FIPS Series. YubiKey LC Management BPs with AAD Passwordless - Onboarding. The series provides a range of authentication. 47 x 1. Professional Services. FIDO2, authenticator apps, email,. Experience stronger security for online accounts by adding a layer of security beyond passwords. Configure the YubiKey OTP authenticator. Click OK. Keep your online accounts safe from hackers with the Security Key by Yubico. 2in (12 x 40. 4. Our newest version adds a layer of security for your online accounts that require Time-based One-Time Passwords (TOTP). The YubiKey supports both the smart card (PIV) and FIDO2/WebAuthn protocols to deliver phishing-resistant MFA. I am not overly fond of using the Yubikey for TOTP, but it's a viable option. Next to the menu item "Use two-factor authentication," click Edit. Each of these slots is capable of holding an X. Open the decrypted file with KeePassXC by entering a password and pressing a Yubikey button for HMAC-SHA1. You can use one or two YubiKey. It can store up to 25 FIDO2 credentials for password-free logins, two OTP credentials, 32 OATH credentials for one-time. Keep your online accounts safe from hackers with the YubiKey. The Yubikey has several. This appears to be the only method available to prevent users from setting their PIN to 1234 or any of the. And with prices starting at $25, it's one of those indispensable gadgets for the 21st century. USB-C. FIPS Level 1 vs FIPS Level 2. The YubiKey 5 Series supports most modern and legacy authentication standards. YubiKey is a brand of security key created by Yubico. If you still choose sms as your backup login method, people can bypass your Yubikey to login. In many cases, it is not necessary to configure your YubiKey before using it with online services, so it is recommended that you make a configuration change to your key only if. kmille@linbox:~ ykman --version YubiKey Manager (ykman) version: 4. 3. Insert the YubiKey into your computer, open the terminal, and enter the following commands to link your YubiKey with your account: mkdir -p ~/. Multi-Factor Authentication. Decrypt the file with Yubikey's OpenPGP private key. Another way to prevent getting hacked is to use two-factor authentication (2FA). These enhancements allow users to review FIDO2 discoverable credentials on their YubiKey and delete individual credentials without requiring a full. However, on login I'm asked, as usual, to enter my 6-digit passcode rather than to use one of the Yubikeys. The Yubico YubiKey 5 NFC is a tiny, USB device that keeps the bad guys out of your accounts by adding a secure second factor to your login process. can you please share documentation on this. 00 Save 18%. Connector: USB-A Dimensions: 18mm x 45mm x 3. The Information window appears. Use our phishing-resistant passwordless MFA solution to secure your on-premise and cloud resources. Step 3. Yubico. Since Outlook does not support one-time passwords, using YubiKey you will still be using an Outlook password and that will just be stored on YubiKey, rather than an encrypted one-time YubiKey password. Facebook iirc insists on a PIN on your Yubikey. Threat actors often target over-privileged accounts to gain unauthorized access, exfiltrate sensitive data, introduce malicious activity, or engage in other forms of. COVID-related phishing attacks continue to surge in the context of remote work, and millions of corporate-owned devices are now shared with families and home networks, making it critical for companies to secure users from any. Apr 18, 2018 9:00 AM Simplify and Secure Your Online Logins With a YubiKey These simple, battery-free devices provide an easy way to securely verify that it's really you who's trying to access. These series of keys incorporate a three chip design. The PKCS#11 interface should now see a key named AUT or SIG depending on the slot used (3 or 1). $50. This one is $70 and does not include NFC. Support Services. 2FA adds an additional hurdle to gain access to an account. Compared to the. The company has been selling the $70. Slot 9a is the PIV identification slot; it’s the meat-and-potatoes of the security key. Find. Should an exemption be obtained to deploy these devices with some interfaces disabled, the PID and iProduct values will be. 1. Let me know if this helps! Okta, Inc. a. Dimensions: 0. Either use style can help you avoid phishing attacks, and the YubiKey Bio can be used with a wide range of applications and services, including 1Password, Google Chrome, Microsoft accounts. I am not worried much about the totp-32 limit. All you will need to do is download the app on a desktop or mobile device, plug in or scan your key, and you are able to access to all the codes on it. The vision was one single security key to work across any number of services, with great user experience, security, and privacy. Step 1: In the Windows Start menu, select Yubico > Login Configuration. If you run into issues, try to use a newer version of ykman (part of yubikey-manager package on Arch). From there, go to Settings, then Security. Keep your online accounts safe from hackers with the YubiKey. YubiKey 5Ci and 5C - Best For Mac Users. Each function on the YubiKey can only accept. 5 seconds) will output an OTP based on the configuration stored in slot 1, while a long. Click OK. The process in essence goes as follows: You register Yubikey in. Just insert the YubiKey into your computer’s USB port and after it starts blinking, tap it. Apple will let you enroll up to six keys to your account. why 2 reasons. Trustworthy and easy-to-use, it's your key to a safer digital world. The Information window appears. The 25 key limit is for "resident keys", which I don't think are likely to be used much. Credential Management allows the WebAuthn Client to display the credentials that reside on the YubiKey with firmware 5. Passwordless. YubiKey personalization tools. on the server in ad change settings on the user account to require a smart card to login. YubiKeys from the 5 Series support 6 different protocols for two-factor authentication, each with its own limit on the number of accounts it can be associated with. Passkeys are discoverable FIDO credentials that enable users to authenticate to websites without a password. The YubiKey C Bio is an excellent melding of Yubico's design philosophy and biometric authentication. Both are described below. Description. Google defends against account takeovers and reduces IT costs. The Bottom Line. The YubiKey is an easy to use extra layer of security for your online accounts. A PIV-enabled YubiKey NEO holds 4 distinct slots for certificates and a YubiKey 4 & 5 holds 24, as specified in the PIV standards document. USB-A NFC. Accessing this applet requires Yubico Authenticator. Google Accounts is Yubikey OTP, I believe, unless you are enrolled in Advanced Protection. On iPhone or iPad. Alternatively, if you wish to add. about the scrip. Each YubiKey comes with a hole designed to keep it handy on your. YubiKey 5 NFC. These instructions show you how to set up your YubiKey so that you can use two-factor authentication to sign in to any account that requires authenticator codes. 4. Depending on your favorite browser, you can easily find a security key that it supports. The practical limit I've been told by some Google tech-savvy product folks is around 10 keys. But I don't get prompted for "Touch the USB" :-( I'm only offered PIN or Password after I've locked the PC. The app allows you to add and remove accounts from your YubiKey, and it also lets you manage your TOTP codes. 2. 7. Use the yubikey-manager to add a TOTP credential: ykman oath accounts add fedora <TOTP secret> Then retrieve a TOTP code with: ykman oath accounts code fedora WebAuthn. The YubiKey 5C offers secure and convenient two-factor authentication, providing strong protection for your online accounts. The Bottom Line. 5 / 5.