what is a yubikey. YubiKey 5 NFC ($45) supports all the functions of the Security Key NFC ($27) and a bit more. what is a yubikey

 
YubiKey 5 NFC ($45) supports all the functions of the Security Key NFC ($27) and a bit morewhat is a yubikey  OATH is an organization that specifies two open authentication standards: TOTP and HOTP

Meets the most stringent hardware security requirements with fingerprint templates stored in the secure element on the key. This method requires both proof of possession and the presence. The series provides a range of authentication choices including strong two-factor, multi-factor and passwordless authentication, and seamless touch-to-sign. Open Yubico Authenticator for Desktop and plug in your YubiKey. Then to the first restart, everything works OK. Insert the YubiKey into the USB port if it is not already plugged in. It provides a cryptographically secure channel over an unsecured network. A Yubikey is a hardware authentication device that makes two-factor authentication easier by plugging it into your laptop and tapping it. YubiKeys are also simple to deploy and use—users can. 3. 509 certificates. When using OATH with a YubiKey on desktops or mobile devices, the shared secrets are stored and processed in the YubiKey’s secure element. The YubiKey is a device developed by a company called Yubico for hardware authentication to protect access to online services, networks, and computers using protocols such as FIDO2, Universal 2nd Factor, public key. Select Add Account. Trustworthy and easy-to-use, it's your key to a safer digital world. For those that already enabled Yubikey support, it will be mostly minor changes. GTIN: 5060408462331. A FIDO U2F hardware key — Yubico YubiKey, Google Titan or other — is an even better option. The YubiKey NEO has USB 2. Insert the YubiKey into your computer, open the terminal, and enter the following commands to link your YubiKey with your account: mkdir -p ~/. Select Challenge-response and click Next. Then it will be up to the software providers to start enabling Passkey support. Complete the captcha and press ‘Upload AES key’. . It is not really more or less safe. config/Yubico/u2f_keys. With One-Time Password (OTP), symmetric-key cryptography is used to authenticate users against a central server, also known as a Relying Party (RP). It's very easy to use, and the onboarding is superbly simple. The Security Key is a stripped down, cheaper version of it, essentially. With the touch of a button, users may produce a pair of keys. Introduction. A password is typically considered one factor, and with 2FA that is combined with another factor to increase login security. • 2 yr. Changes you make will sync to your iPhone and other devices, so you’re always up to date. Made in the USA and Sweden. In theory it has USB, NFC and Bluetooth - so more options than YubiKey - but in practice it doesn't work for Microsoft account and I have contact issues using it in BitWarden Android. Download and run YubiKey for Windows Hello from the Store. It's built with Yubico's emphasis on durability and security. Contact support. The YubiKey supports a number of user-programmable configurations which can be loaded into either of the two OTP configuration slots. U2F was developed by Yubico and Google, and contributed to the FIDO Alliance after it was successfully deployed for Google employees. SSH uses public-key cryptography to authenticate the remote system and allow it to authenticate the user. Using a Yubikey (or any other FIDO2/WebAuthN token) as a single factor is an option, but you certainly don't have to use it that way. Duo Security is a vendor of cloud-based two-factor authentication services. A Yubikey is a hardware authentication device that makes two-factor authentication easier by plugging it into your laptop and tapping it. And the only thing you need is an IBAN. That’s it. The Zero Trust framework is a journey, and implies that an organization should trust no individual or thing unless properly verified before being given access to the network and data. PIV, or FIPS 201, is a US government standard. Using a physical security key, like Yubico, adds an extra layer of security because it ensures that only the person in possession of the key can access the account. If you have a QR code, make sure the QR code is visible on the screen and select the Scan QR Code button. Two-factor authentication, also. The best security key for most people is the Yubico Security Key, which comes in two forms: the Yubico Security Key NFC (USB-A) and the Yubico Security Key C NFC (USB-C). When you press the button in the middle of the Yubikey, it will perform whatever you have programmed that slot to do, such as entering static passwords, challenge response codes, etc. Changing the PINs for GPG are a bit different. The YubiKey 5 Series security keys offer strong authentication with support for multiple protocols, including FIDO2, which is a new standard that enables the replacement of. Easy to implement. Since KeeChallenge only supports use of configuration slot 2 (this slot comes empty from the factory), click Configure under the Long Touch (Slot 2). Review the devices associated with your Apple ID, then choose to. After inserting the YubiKey into a USB Port select Continue. while an "Fp" Elliptic Curve (EC) public key consists of. The tool works with any currently supported YubiKey. Each YubiKey must be registered individually. We recommend ensuring that the password is a strong password, and something that an attacker won’t be able to guess easily. For improved compatibility upgrade to YubiKey 5 Series. Once produced, the keys may be used for a number of reasons, including safeguarding email communication and verifying user identities. In addition to reducing the time spent on authentication, this also assists in avoiding potential human errors while typing in the OTP. The YubiKey is a form of 2 Factor Authentication (2FA) which works as an extra layer of security to your online accounts. However, HOTP is susceptible to losing counter sync. The YubiKey is a small USB Security token. The YubiKey is an extra layer of security to your online accounts. It's tiny, durable, and enormously powerful. Kraken Chief Security Officer Nick Percoco explains the benefits of the Yubikey two-factor authentication solution, and how when used together with strong se. The purpose of this device is to help protect your information on the internet. Click Create k3y file. Use it wherever possible. iPhone/Apple Keychain, and synchronized across devices via the. The YubiKey 5 Series supports most modern and legacy authentication standards. Organizations can use a single YubiKey to unlock many different doors providing a more seamless user experience during their journey to phishing resistant. It’s compatible with USB-A and NFC connections and costs only $45. This means that web services can now easily offer their users strong authentication with a choice of authenticators such as security keys or. The Yubico page on the LastPass site lists the benefits of using. g. Slickdeals Forums Hot Deals Yubikey / Yubico Cyber Week Deal: Buy One, Get One 50% OFF. YubiKey personalization tools. The FIPS validated devices have just been tested against the FIPS 140 requirements developed by NIST. A YubiKey can have up to three PINs - one for its FIDO2 function, one for PIV (smart card), and one for OpenPGP. 4. Click on it, it should direct you to Google Account Dashboard, you want to come to security which is the 4th option on the left hand menu. Strong authentication is a foundational aspect of that journey, enabling phishing-resistant user identity. 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. When you sign your code, with one of the code signing certificates, the private key used is stored safely within YubiKey. An attacker must gain physical possession of your security key in addition to your username and password in order to access and use your account. They are created and sold via a company called Yubico. You can use. You can try Syinternal ProcessMonitor and check what file access is denied (if the problem is a file access). The company said its latest key, like others in the. Yubico. Phishing attackers send what appear to be legitimate communications by text, email, or other electronic communication from reputable companies and other trustworthy entities to lure users to phishing. The YubiKey 5 series, image via Yubico (Yubico) Pricing of the 5 series varies. Learn what YubiKey HSM is and how you can use it for authentication. For each service you set up, have your spare YubiKey ready and add it right after the first one before moving to the next. Browse the list of. Click the dropdown arrow below Select USB drive. SSH also offers passwordless authentication. Yubico’s YubiKey 5 NFC — which uses both a USB-A connector and wireless NFC — is the best key for logging into your online accounts. ago. You can add up to five YubiKeys to your account. The YubiKey is a device that makes two-factor authentication as simple as possible. . It doesn't have the most features among such keys, but for the average consumer, it. Slots configured with a Yubico OTP, OATH HOTP, or static password are activated by touching the YubiKey. That’s why it can act as a WebAuthn/FIDO authenticator, a Smart Card, an OTP device, and much more, all in one device. The YubiKey 5 Series keys support a broad range of protocols, such as FIDO2/WebAuthn, U2F, Smart card, OpenPGP, and OTP. But that does introduce a question. This resilience to attack. The best user experience comes with websites and services that support FIDO U2F (more on this later) like Google, Facebook and Twitter. The YubiKey is a device that makes two-factor authentication as simple as possible. With a YubiKey, you simply register it to your account, then when you log in, you must input your login credentials (username+password) and use your YubiKey (plug into USB-port or scan via NFC). On YubiKeys before version 5. Starting at $25. In 2023, two-factor authentication is no longer a luxury but rather a vital necessity. Apps ask you to plug a tool like a YubiKey into your device and press a button. Please keep in mind that you cannot use a lightning adapter as the lightning is MFI (made for iPhone) and therefore it may not work. SoCleanSoFresh • 4 yr. 2023-10-19 21:12:01 UTC. A YubiKey adds a significant additional level of security to your online accounts, doesn't take long to set up, and isn't a huge outlay. Plus, it is the only FIPS certified phishing-resistant solution available for Entra ID on mobile. Phishing is the fraudulent practice of inducing people to reveal sensitive personal information such as credit card numbers and passwords. As you probably already. macOS users check (Apple Menu) > About This Mac > System Report, and look under Hardware > USB. If you’re not already familiar with Reddit , it’s a social networking/forum website where users congregate around various “subreddits” on niche. Works with YubiKey. Wait for several moments until the indicator light on your YubiKey begins flashing. You will be presented with a form to fill in the information into the application. Your Code Signing certificate is like a digital seal of authenticity for your software, ensuring its integrity and origin. . First Unread. 1- I want it to be portable and at the moment i think my phone (iPhone) and laptop are the only spots where i will need access to my passwords. In addition, the YubiKey will allow the PUK to be 6, 7, or 8 bytes long. Two-step login using YubiKey is available for premium users, including members of paid organizations (families, teams, or enterprise). With One-Time Password (OTP), symmetric-key cryptography is used to authenticate users against a central server, also known as a Relying Party (RP). Compare the models of our most popular Series, side-by-side. And your secrets are never shared between services. The PIV and OpenPGP PINs are set to 123456 by default, but there is no FIDO2 PIN set from the factory. [A]uthentication. For example, an RSA public key consists of two integers: modulus. Unplug your Yubikey, wait 5 seconds, and plug back in. It can be used in single and multi-factor authentication for logging into applications or devices, and validation. 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. It doesn't have the most features among such keys, but for the average consumer, it. YubiKey 5C NFC is the latest addition to its popular YubiKey 5 series and comes with a USB-C plug and built-in NFC for hassle-free connectivity. Store and. So it's essentially a biometric-protected private key. A YubiKey is a security token that enables users to add a second authentication factor to online services from tier 1 vendor partners, including Google, Amazon, Microsoft and. Using a Yubikey (or any other FIDO2/WebAuthN token) as a single factor is an option, but you certainly don't have to use it that way. You may notice the chip, in the HSM’s design, authentication. Unlike traditional. Once a YubiKey is registered, the user’s PIN should be changed if the default value (123456) is still set. OTP: FIPS 140-2 with YubiKey 5 FIPS Series. There are two slots, the "Touch" slot and the "Touch and Hold" slot. Earlier this year we announced the upcoming release of Yubico Authenticator 6, the next version of our YubiKey authentication and configuration app. Contact support. . (MFA) A YubiKey is a brand of security key used as a physical multifactor authentication device. ”. The solution: YubiKey + password manager. Generate random 20 digit value. The YubiKey identifies itself as a smart card reader with a smart card plugged in so it will work with most common smart card drivers. Yubico. This is our only key with a direct lightning connection. Click Applications > OTP. USB Security Key FIDO2 Certified to The Highest Security Level L2. If you’d like to use the Authenticator App, we recommend our YubiKey 5 Series keys. Multi-protocol. The YubiKey Subreddit (Unofficial YubiKey community hub) The YubiKey subreddit is a great resource for community discussion, frequently asked questions , and industry news related to YubiKeys. You are prompted to specify the type of key. The OTP is validated by a central server for users logging into your application. Either scan a QR code or enter the. It acts as a safeguard for your digital keys. The YubiKey 5 Series eliminates account takeovers by providing strong phishing defense using multi-protocol capabilities that can secure legacy and modern systems. USB-C. Users can also continue to use the Security Key by Yubico as a second factor. The Yubico Authenticator adds a layer of security to your online accounts by generating 2-step verification codes on your mobile or desktop device. This firmware determines what features your Yubikey has and what it supports. Vanguard supports it now. This will configure the security key to require a PIN or other user authentication whenever you use this SSH key. Type the following commands: gpg --card-edit. An AAGUID is a 128-bit identifier indicating the type of the authenticator. Get authentication seamlessly across all major desktop and mobile platforms. Yubico YubiKey 5C - Two Factor Authentication USB Security Key, Fits USB-C Ports - Protect Your Online Accounts with More Than a Password, FIDO Certified. YubiKey 5 Experience Pack. The YubiKey 5 Series keys (both FIPS and non-FIPS) are the latest YubiKey authentication devices. Interface. You should see the text Admin commands are allowed, and then finally, type: passwd. When using OATH with a YubiKey, the shared secrets are stored and processed in the YubiKey’s secure element. Cross-platform application for configuring any YubiKey over all USB interfaces. Step 3: You can give it any name like Yubikey and click on Okay. The solution for individuals and businesses is to use a password manager in combination with the strongest form of two-factor authentication available: The YubiKey. And as with all Hardware Security Module (HSM) devices, it affords superior protection compared to software-based alternatives - particularly at the. 2 for offline authentication. Yubico. 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. FIPS Level 1 vs FIPS Level 2. com is the source for top-rated secure element two factor authentication security keys and HSMs. Option 1 - Backup YubiKey; Providing each user a backup YubiKey resolves a number of issues from PIN lockout to inability to access systems due to a lost YubiKey. For less than the price of a cup of coffee per month, give employees access to modern, easy-to-use YubiKey authentication. WebAuthn is an API that makes it very easy for a relying party, such as a web service, to integrate strong authentication into applications using support built in to all leading browsers and platforms. A YubiKey is a physical hardware authentication device that provides an additional layer of security for various online services, applications, and computer logins. If you only have your USB drive plugged into a USB port, there should only be one option available. Here's a simple explanatio. Trustworthy and easy-to-use, it's your key to a safer digital world. It provides USB, Lightening, and NFC interfaces and plugs into computer or smartphone to provide keyless 2nd authentiFinal thoughts. If most of the accounts are accessed from your mobile device, then the Yubikey 5 NFC is a better key. Multi-protocol security key, eliminate account takeovers with strong two-factor, multi-factor and passwordless authentication, and seamless touch-to-sign. Browse the YubiKey compatibility list below! Explore the Works With YubiKey Catalog to find a wide range of applications that support YubiKeys. Click Next -> check Password box -> enter a password for the certificate. YubiKey 4 has fresh look, attestation capabilities. It. Multi-protocol. Professional Services. We released a beta version, first for desktop, and then for Android, and we solicited your feedback. Log into the service you want to set up and find the two-factor authentication settings as discussed earlier. A YubiKey is a small hardware authentication device that provides an additional layer of security when logging into online accounts or completing online transactions. The second slot (LongPress slot) is activated when the YubiKey is touched for 3 - 5 seconds. They plug into. Yubico offers the phishing-resistant YubiKey for modern, multi-factor and passwordless authentication. Each device has a unique code built on to it, which is used to generate codes that help confirm your identity. The U2F model is still the basis for FIDO2 and compatibility for existing U2F deployments is provided in the FIDO2 specs. Unlike a software only solution, the credentials are stored in the YubiKey. Once your YubiKey (or OnlyKey, you got the point…) is set up, open your database in KeePassXC, go to File / Change master key, enable Challenge Response and then save the database. Yubico YubiKey 5C NFC Specs All Specs Enabling multifactor authentication is the single best thing you can do to prevent attackers from taking over your online. YubiKey 5 Nano. In fact, over 80% of buyers left a five star score for the YubiKey. This eliminates the need to change passwords frequently and to create long passwords that are cumbersome and easy to forget. YubiKey is a hardware authentication device that supports one-time passwords, public-key encryption and authentication, and the Universal 2nd Factor (U2F). The OTP application on the YubiKey allows developers to program the device with a variety of configurations through two " slots . On the page shown above, select the user accounts to be provisioned during the current run of the Yubico Login for Windows by selecting the checkbox next to the username, and then click Next. A bit of background as to what Yubikey is first: Yubikey is a variation on a common type of device known as a One Time Password generator. By providing a centralized place for key management the process is streamlined and secure. The YubiKey 5Ci is Yubico's latest attempt to bring hardware two-factor authentication to iOS with a double-headed USB-C and Apple Lightning device. Each device has a unique code built on to it, which is used to generate codes that help confirm your identity. 4. PIV: FIPS 140-2 with YubiKey 5 FIPS Series. You can. Convenient and portable: The YubiKey 5 C NFC fits easily on your keychain, making it convenient to carry and use. These security keys work. Users also have the option to manually input their own unique, static password. Using a password manager application is the best way to create and maintain unique and strong passwords for all your account logins, and. See LED Behavior. Authenticator apps are optimal for two-way authentication. The YubiKey Authentication Module can validate the OTP against either its own Validation Server or against the Yubico Online Validation Service. Cross-platform application for configuring any YubiKey over all USB interfaces. However, the Bio's utility is a bit limited compared to that of the YubiKey 5 series. The YubiKey allows three different protocols. Local Authentication Using Challenge Response. ago. If you have a spare key added to your account, or if you have any other means of authentication activated, then you should easily be able to regain access to your account. It also supports storing and present PKI client certificates for authentication and. A small, physical device you plug into your computer or connect to your phone via NFC, Yubikey provides an additional layer of security to your online accounts and services by requiring a hardware key for login – a process called two-factor authentication (2FA) or multifactor authentication (MFA). The remaining 32 characters make up a unique passcode for each OTP generated. Yubikeys are a type of. While compatibility limitations and initial setup complexity may exist, the YubiKey 5C remains a. YubiKey Authenticator is a TOTP application for Desktop and Android and is similar to Google Authenticator and AndOTP. Instead of a code being texted to you, or generated by an app on your phone, you press a button on your YubiKey. The YubiKey 4 and 5 series along with the YubiKey NEO support the Personal Identity Verification (PIV) interface specified in NIST SP 800-73 document "Cryptographic Algorithms and Key Sizes for PIV". YubiKey Manager. Setup. Head to Yubico. It is obtained from trusted Certificate Authorities like Sectigo, DigiCert, or Comodo. Select the Yubikey picture on the top right. YubiKey product brief. The first slot (ShortPress slot) is activated when the YubiKey is touched for 1 - 2. Secure your accounts and protect your data with the Yubico Authenticator App. Each of those has their pros and cons, and most are quite. A phone can get stolen, sold, infected by malware, have its storage read by a. Multi-protocol. Much better if the bank uses Yubi, or some other hardware token as Multi-Factor Authentication. NFC is the same technology that’s used for contactless payment with your credit cards or Google Pay and Apple Pay. Is the Yubikey 5 Series best? Or the Security Key series? What about NFC, Nano or the 5Ci? If you feel confused, you're not alone. $300 USD. Each device has a unique code built on to it, which is used to generate codes that help confirm your identity. What is a YubiKey? The YubiKey is a hardware authentication device manufactured by Yubico to protect access to computers, networks, and online services that supports one-time passwords, public-key cryptography, authentication, and the Universal 2nd Factor (U2F) and FIDO2 protocol. Using this application, a YubiKey can be configured with multiple OTP credentials in a manner similar to that found in software authenticators. Depending on the model, it can: Act as a smartcard (using the CCID protocol) - allowing storage of both PGP and PIV secret keys. Popular . ToString ('MM-dd-yyyy'))-yubikeynumber" -f. Either scan a QR code or enter the secret directly, choose a name and that’s it. YubiKey is currently the only external device that supports CBA on Android and iOS. 4. You can easily connect the key to any of the compatible devices such as Smartphones, Laptops, and. The duration of touch determines which slot is used. When using OATH with a YubiKey, the shared secrets are stored and processed in the YubiKey’s secure element. YubiKey support is a secure two-factor authentication device that allows you to carry with you most of the time, and use for: — A passwordless boost in your security when… Open in app Sign upThe YubiKey 5 NFC is a hardware security key that bolsters account security. The YubiKey 5 Series supports most modern and legacy authentication standards. 3. Deploying the YubiKey 5 FIPS Series. Each device offers an YubiKey 5C NFC. For more information. Generally YubiKey is a de facto standard solution and you may be sure all sites are tested mainly for YubiKey compatibility. One of the reviewers recommended the Yubico YubiKey to developers, IT pros, and “security-minded users. YubiKey 5 Series. The whole thread is worth a. The new Google Titan Security Keys are priced at $30 for the USB-A/NFC version, and. Note that plugging in your YubiKey requires you to also physically touch the key. Buy Yubikey 'Security Key Series'. The secrets always stay within the YubiKey. Advanced Search. Buy one YubiKey, and get a second half-off with this Cyber Week deal. YubiKey is DOA and, unfortunately, a complete waste of money. Special capabilities: Dual connector key with USB-C and Lightning support. It will show you the model, firmware version, and serial number of your YubiKey. It is manufactured by Yubico, a company that specializes in providing security solutions to individuals and organizations. Buy now YubiKey 5 FIPS Series The YubiKey 5 FIPS certified security keys meet the highest level of assurance (AAL3) of the new NIST SP800-63B guidelines. A Security Key is a small physical device used for additional security next to your password and is considered to be one of the most secure ways of two-factor authentication (2FA). It’s built on Yubico’s invention of a scalable public-key model in which a new key pair is. The YubiKey Manager, also referred to as ykman, is a general purpose tool for the configuration of all of the functions of the YubiKey. YubiKeys support multiple protocols including Smart Card and FIDO, offering true phishing-resistant MFA at scale, helping organizations bridge from legacy to modern authentication. Two-factor authentication (also known as 2FA or two-step verification) is a method to confirm a user’s claimed online identity by using a combination of two different types of factors. A YubiKey is a key to your digital life. YubiKey 5Ci. e. FedRAMP, at its core, is a program to modernize and. The YubiKey 5 Series is a hardware based authentication solution that offers strong two-factor, multi-factor and passwordless authentication with support for multiple protocols including. It requires users to. The new YubiKey 4 Nano takes on a “molded” form factor, which makes it impossible to insert the Nano in backwards, and. It makes YubiKey incredibly user-friendly. The YubiKey supports the Initiative for Open Authentication (OATH) standards for generating one-time password (OTP) codes. If you are unsure if you have the Security Series device, or the 5 Series. YubiKey is designed to be tamper-proof, making it resistant to physical attacks and unauthorized modifications. The YubiKey is a highly durable, multi-protocol hardware security key that delivers both phishing-resistant multi-factor authentication (MFA) and passwordless authentication at. Special capabilities: Dual connector key with USB-C and Lightning support. Trustworthy and easy-to-use, it's your key to a safer digital world. With Executive Order 14028, the adoption of CBA and other phishing-resistant MFA are. Hidden shortcomings is that Yubikey 5 has lot of features and a learning curve. If you’re trying to secure your business, you might be considering the use of a physical protection key (such as the Yubikey drive) or apps like Google Authenticator for your employees. Easily generate new security codes that change periodically to add protection beyond passwords. By the end of the year (2023), the infrastructure bits should mostly be all rolled out across the 3 large providers (Apple, Google and Microsoft). If you’re trying to secure your business, you might be considering the use of a physical protection key (such as the Yubikey drive) or apps like Google Authenticator for your employees. Note: Some software such as GPG can lock the CCID USB interface, preventing another software from accessing applications that use that mode. Plug in a YubiKey 5Ci. Nevertheless, YubiKey devices do not constrain the PIN to a small number of digits; the FIDO2 PIN on a YubiKey can be any sequence of characters up to 256 bytes long. Select User Accounts. 1 order per person. The secrets always stay within the YubiKey. For. 2. com/setupand click your device. These are. PIV slot f9 comes pre-loaded from the factory with a key and certificate signed by Yubico’s root PIV Certificate Authority (CA). You can also use the tool to check the type and firmware of a. What is a One-Time Password (OTP)? A one-time passcode or password (OTP) is a code that is valid for only one login session or transaction. That’s an astonishing number, and one that is not likely to slow down any. The Security Key by Yubico is a simple, durable, and affordable way to add hardware two-factor authentication. And a full range of form factors allows users to secure online accounts on all of the. Strong security frees organizations up to become more innovative. In practice, this means a second step you perform to authenticate yourself after you enter. It's almost like getting a second laptop to do your cryptographic operations there, and not have it connected to anything, except that the whole thing is actually inside a single tiny chip and you can't take it apart to read the hard drive or boot another os or anything. As a final step, make sure that apps can talk to your YubiKey. The tool works with any currently supported YubiKey. This allows for self-provisioning, as well as authenticating without a username. Two-factor authentication, as the name suggests, adds an extra layer of security beyond the traditional username and password combination.