Select the password and copy it to the clipboard. But I suspect it is vulnerable since the OTP interface is essentially a software keyboard. I changed the setting and tried to write a new password to conf #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). Testing the challenge-response functionality of a YubiKey. Yubico-OTP, challenge response and static password aren’t protected by any password. I want to get a static pw by pressing the button and additionally when i work with the nfc. This is done using the Yubico personalisation tool. 9. Due to the firmware update, FIPS recertification was also necessary. Compatible with popular password managers. I also do some other stuff with the yubikey that is outside the scope of. OATH-HOTP The event-based 6-8 digit OTP algorithm as specified in RFC-4226. Explore the YubiKey by Yubico for secure AWS authentication: phishing-resistant, multi-protocol support, and. The double-headed 5Ci costs $70 and the 5 NFC just $45. The YubiKey U2F is only a U2F device, i. In KeePass' dialog for specifying/changing the master key (displayed when creating a new database or when clicking 'File' → 'Change Master Key' ), paste the password into the master password. 5 The OTP string and the CFGFLAG_xx flags 5. Insert the YubiKey and press its button. If you use the built-in TOTP on Bitwarden, it's worth using a yubikey as 2FA for the vault in my opinion. 0) 22 4. The YubiKey sends the response back to the host, and the application receives it as a string of numeric digits, a byte string, or a single integer (as determined by the SDK). That's why the Personalization Tool says slot 1 is programmed. The YubiKey receives the challenge and encrypts/digests it with the secret key and encryption/hashing algorithm that the slot was configured with. Record the Serial Number, the Dec and the Hex for later. 6. Default option to automatically use the YubiKey Serial Number as the public ID; Choice of log file formats; All v2. Programming the NDEF feature of the YubiKey NEO. It is instantiated by calling the factory method of the same name on your Otp Session instance. In its default configuration, the YubiKey will type a unique authentication token whenever it is used, and that token changes on each use. If you have overwritten Yubico OTP that. If you want to use the 2fa features chrome is supported by default but there existed an extension to get yubikey 2fa working in Firefox too. Download the tool from Yubico and install. The first beta, released on Friday, supports the Initiative for Open Authentication (OATH. I would then verify the key pair using gpg. Either way, the Webauthn protocol won't help you here because the output from the FIDO device is never the same, even though the challenge. Squeeze every damn bit out of that 256. They didn't suggest a one-time password, they suggested a static password. or provide one: $ ykman otp static slot password. One little surprise is that I tried to use the Yubikey static password for the master password, but it turns out static password doesn't work over NFC. The YubiKey 5 series can hold up to 32 OATH credentials and supports both OATH-TOTP (time based) and OATH-HOTP (counter based). Static Password; OATH-HOTP; USB Interface: OTP. Once enabled, you will be prompted for both a username/password as well as your yubikey, which the OS then uses to. OATH. By definition, this OTP credential is valid for only one login before it becomes obsolete. Some people choose to store a copy of their master password there. Proudly made in the USA. USB Interface: FIDO. 4. This means the YubiKey Personalization Tool cannot help you determine what is loaded on the OTP mode of the YubiKey. Install the YubiKey Personalization tool; sudo add-apt-repository ppa:yubico/stable sudo apt-get update sudo apt-get install yubikey-personalization yubikey-personalization-gui Insert your Yubikey. OATH-TOTP (Yubico. It needs to be plugged in. In order to protect your KeePass database using a YubiKey, follow these steps: Start a text editor (like Notepad). Part 1: It's a WebAuthn authenticator. Configure a slot to be used over NDEF (NFC). 0. If you programmed a static password that is greater than 38 characters using the Static Password > Advanced menu in the YubiKey Personalization Tool , in order. Accessing. By default, Yubico OTP is programmed into slot 1 on every YubiKey. My other option was to have a very long password consisting of: 1 - me manually typing a password I remember + 2 - a static password sent from the Yubikey Paul - 2014-01-09 The OTPs are only of use once, but if the attacker has copied the relevant files and OTPs he will have access to your database. 1 The TKTFLAG_xx format flags 5. YubiKey also allows for storing static passwords for use at sites that do not support one-time passwords. I registered a static password on my YubiKey to access my laptop but I suggest that you setup a security challenge instead. It works with Windows, macOS. USB Interface: CCID PIV (Smart Card) This application provides a PIV. This was documented in a research paper by Google, describing the Google employee rollout to more than. 2 Updating a static password (from version 2. Disabling the OTP interface will prevent the YubiKey from emitting an OTP when touched. Slot 1 is short press. ”. This is the only mode where it emits secret data---and only makes sense to use for extremely legacy systems, that don't have any kind of support for hardware tokens whatsoever. They often forget or mistype their master pass phrase, which does not make it nice to login. The U2F application can hold an unlimited number of U2F credentials and is FIDO certified. YubiKey Security token Peripheral Computer hardware Computer Information & communications technology. 0. It provides a general outline of how to use the SDK. NFC is only supported on select Android devices and there are no plans for Apple to open up NFC functionality on the iPhone/iPad. 2: OTP: Then unselect "Enter" and it will write that setting back to. 1 Overview. 4. Setup. Insert the Yubikey and start the YubiKey Manager. 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. My yubikey is programmed to output a 64 character static (same every time) passcode, consisting of upper and lower case letters, and numbers (no special characters or spaces). You can either generate a static password: $ ykman otp static --generate slot. Once you have your Yubikey 4 you will need to download the Personalization tool to configure it. But Yubico says it wants to. 3. 2 Updating a static password (from version 2. Using a password manager application is the best way to create and maintain unique and strong passwords for all your account logins, and. IOS does not natively support 3rd party software handling the lockscreen or unlocking the device. As the name implies, a static password is an unchanging string of characters, much like the passwords you create for various online accounts. Since then i have set up a static password on touch of yubikey. My yubikey is programmed to output a 64 character static (same every time) passcode, consisting of upper and lower case letters, and numbers (no special characters or spaces). YubiKey 5 FIPS Series Specifics. They can't be used to unlock 1Password or decrypt your data. Accessing this application requires Yubico Authenticator. g. Tags: solution. My understanding is that when decrypting the challenge and password are sent to the yubikey and the response is used to decrypt. The YubiKey was designed with the future in mind. From FIDO U2F, TOTP and HOTP are protected by an alphanumerical password that is set in YubiKey Authenticator (YA) to protect the metadata for TOTPs or HOTPs. If you drop the passwordless and say, "well what if we just use a PWM, but we have the master password stored on our yubikey" then I guess that's probably fine for most people, and it's certainly. Re: Changing Yubikey Static password - password length issue with Lastpass. What is a Secure Static Password? A static password requires no back-end server integration, and works with most legacy username/password solutions. In terms of password entropy calculators, E = log sub2 (R supL. YubiKey model and version: Yubikey 5C Nano, Firmware 5. But you can’t do static passwords over NFC (I need mobile password / OTP recall), and it would break web browser password integration. So, Generally with the Yubikey (YK), and utilizing FIDO2/U2F you still need username + password + YK. The YubiKey command does not recognize the "¤" character no matter the keyboard layout I use, so I can't recover any static password that uses that symbol. Amazon. The "Security key" series (the blue ones) only support the FIDO protocols (U2F, WebAuthn, CTAP2). Accessing this application requires Yubico Authenticator. To allow one authenticator to work across a wide range of systems, services and applications, the YubiKey supports static password, one-time password (OTP),. g. This security key is well-suited for those who tend to deal with heavy security and therefore need an all-encompassing key. , set a AES key) YubiKeys. U2F. Versatile compatibility: Supported by Google and Microsoft accounts, password managers and hundreds of other popular services. Use the Yubico Authenticator for Desktop on your Windows, Mac, or Linux computers. Static Password (Advanced Mode) Yubico Authenticator for Android can capture the OTP output from a YubiKey over NFC, allowing it to be copy/pasted into any field on an Android device. 6 (or later) library and command line interface (CLI). Compatibility - Works with Windows, macOS, Chrome OS, Linux, leading web browsers, and hundreds of services. The NIST organization has recently deprecated SMS as a weak form of 2FA and encourages other approaches for strong 2FA. Deleting and recreating a. Slot 2 is long press (~3 second press and hold) if you have a Yubico OTP, OATH-HOTP, or static password programmed here. e. I am using the static password as a second part of an AD password and when I go to change password in windows the and yubikey sends return before i can repeat my password in second password box. That is not true with the static password function, if anyone has access to it for just a brief moment they will be able to get your static password saved and. 5 seconds. At the beginning, I used the very basics capabilities of the Yubikey which is just a simple U2F. This means, that adding a yubikey is actually making the account less safe. 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. A specification of typical USBThe YubiKey generates these usage reports to simulate keystrokes, and the usage reports are decoded by the host into the characters of a password. This lets the YubiKey "type" in a password on your computer, in many situations where other authentication isn't possible. Yes and no. As for the character set, when you program the static password using the Yubikey Manager, you are required to select a character set. It uses HMAC-SHA1 challenge-response. For $25 it was a deal. OTP - this application can hold two credentials. I posted about this a few weeks ago. ReplyThis is enabled with the introduction of the new YubiKey SDK for Desktop. Works on all YubiKeys except for the Security Key Series. USB Interface: CCID PIV (Smart Card) This application provides a PIV. - YubiKey Neo FW 3. for a password manager. Even today I have accounts that support no 2FA, accounts that limit me to 9-24 letter passwords and. Activating it types out your password and. First, type your memorized prefix. 9c98858c978896971e1f20. ”Using the YubiKey Personalization Tool, you can configure Slot 2 to to use a static password, OATH-HOTP, or a challenge-response using either the Yubico or HMAC-SHA1 algorithm. My passwords are protected via public key cryptography and I use the smartcard function of the yubikey to decrypt the passwords I need ( passwordstore. • 2 yr. For the full feature set, including static password, you'll need the "YubiKey 5" series (the black ones). It is a second shared secret between you and the service. However, Yubico OTP, one of the most popular kinds of credentials to put in this app, can be registered with an unlimited number of services. I see people on this subreddit recommending the static password feature all the time, and it's almost never the right answer. FIDO2 is not an option there. Deleting and recreating a. The Yubikey one time password and NFC. 2 - Based in that, someone know if it’s possible to have a backup of that key? Note: longtime ago, I had set up the 2 slots of my key with the same static password (I guess, lack of knowledge). when authenticating to the app: the user makes the public key available by attaching the token and is challenged for a PIN to unlock the private key, on the token. 2. Kleidush. 6 The EXTFLAG_xx. One of the options is static password up to 32 characters. a static password, a challenge-response credential or an OATH HOTP credential in either or both of these slots. The SDK is designed to enable developers to accomplish common YubiKey OTP application configuration tasks: Program a slot with a Yubico OTP credential; Program a slot with a static password; Program a slot with a challenge-response credential; Calculate a response code for a challenge-response credential; Delete a slot’s configuration It is however possible to swap the two slot configurations without otherwise changing them, so you'd use short press for static password and long press for Yubico OTP. The YubiKey then enters the password into the text editor. Select “Configure” and choose “Static password” in the next dialog. I believe it is better than using a keyfile or a long static password. Super handy for. 5. 0. You have several. Users are recommended to manually enter a simple and easy-to-remember first part of their password, then use the YubiKey to enter a strong second part to their password. Static Password; OATH-HOTP; USB Interface: OTP. The OTP interface (static password) is effectively (as far as the computer is concerned) a USB keyboard. From the Yubikey website: Yubico recommends users to use the YubiKey in static password mode for only part of their password. There's only Static Password applet that emulates a keyboard. The best security key of 2023 in full: (Image credit: Yubico) 1. Cannot for the life of me set up Yubikey with Bitwarden. YubiKey Manager (ykman) version: YubiKey Manager (ykman) version: 4. ” KeePassXC should automatically detect your YubiKey, showing “ YubiKey [serialnumber] Challenge-Response - Slot 2 - Active Button. With this setup, I don’t technically know any of my passwords. If you are using the Yubikey as a 2FA device, the intruder needs your username/email + password + Yubikey. Click "Write Configuration". Thanks!It works with Windows, macOS, ChromeOS and Linux. Yes, the core idea is to use TOTP two-factor authentication, secured by the Yubikey and the Yubico Authenticator app. Use the YubiKey Manager to configure FIDO2, OTP and PIV functionality on your YubiKey on Windows, macOS, and Linux operating systems. All you have to do is create and remember a single “Master Password” of your choice in order to unlock and access your entire user name/password list. Static Password A static password can be programmed to the YubiKey so that it will type the password for you when you touch the metal contact. fido is an open standard for all security tokens, yubikey ota is brand specific protocolThe least expensive model, the YubiKey 5 NFC, costs $45; the priciest, the 5C Nano, costs $60. USB Interface: FIDO. The first part is your password, and YubiKey takes care of the second part. Today's Best Deals. To do this, enable Read NFC NDEF payload in the app's. 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. Viewing Help Topics From Within the YubiKey. 2. Learn about the six key best practices to accelerate the adoption of phishing-resistant MFA and how to ensure secure Microsoft environments. Select "Scan Code". 3, and it's working for NFC, USB and Lightning. Password Safe is a password database utility that stores your passwords in an encrypted file, allowing you to remember only one password instead of all the username/password combinations that you use. In this post, I will share a PowerShell based approach to quickly generate a new random, static password on a YubiKey and subsequently change your local or domain account. A YubiKey is much more secure than a key file, however, because it is a separate device that cannot be compromised and it performs a cryptographic calculation based on a hidden secret key. The attacker realizes that the password isn't enough, you have MFA enabled. ALWAYS make part of the master password a simple manually added password you can remember. Let’s take an example. The Basics. I am now trying to get it to support manual update mode. So far the experience has been perfect. HMAC-SHA1. The uid is 6 bytes of static data that is included (encrypted) in every OTP, and is used. If you are trying to output digits (0-9) with the French AZERTY keyboard layout, you can simply use the press the shift key while using the YubiKey or set the flag in personalization tool to use the numeric keypad instead (for firmware 2. Since the YubiKey. Deleting the configuration of a YubiKey. In this configuration, the option flag -oappend-cr is set by default. Yubikey 5 works with static password but not over NFC. The yubikey works to generate an encrypted one-time password that can be used only once. Static Password; OATH-HOTP; USB Interface: OTP OATH. If you are trying to output digits (0-9) with the French AZERTY keyboard layout, you can simply use the press the shift key while using the YubiKey or set the flag in personalization tool to use the numeric keypad. To enable a seamless path from today to tomorrow, we added both legacy and modern security protocols on a single device. using (OtpSession otp = new OtpSession (yKey)) { otp. OATH. Both support FIDO2. Only the portion of the password to be stored within the YubiKey 5 is described. The YubiKey Personalization package contains a library and command line tool used to personalize (i. Not sure about doing it with NFC though unfortunately. But tools like password managers and YubiKey make the use of secure passwords and 2FA simple (easy for. Plug in your Yubikey and then observe the right column under the Serial Number "well" or "block. Since yubikey allow you store. As for OTP and keyloggers, I'm not 100% sure. The YubiKey 5 FIPS Series can hold up to 32 OATH credentials and supports both OATH-TOTP (time based) and OATH-HOTP (counter based). ) Password Safe Yubikey Responses from the Secret Keyi want to use my yubikey to login to windows and mac but simple i just want it to type in the password when i touch the censor. is that possible? i dont want to do the complicated way of setting up for login for windows. Manage certificates and. 2. Setup client (group policy) to enable the smart card credential provider 3. ago. The YubiKey 5 FIPS Series can hold up to 32 OATH credentials and supports both OATH-TOTP (time based) and OATH-HOTP (counter based). I am a security novice and in general I have had some difficulty matching desired authentication use cases with the appropriate Yubikey interface or application. Finally switch back to your physical keyboard layout and when you'll touch your yubikey, it will output your desired password as you typed it. Google, Amazon, Microsoft, Twitter, and Facebook use YubiKey devices to secure employee accounts as well as end user accounts. The YubiKey 5 Series comes in all shapes and sizes, and several versions of it are on this list. Watch Rob Braxman for this pro tip on. . Accessing this applet requires Yubico. HOWEVER, you can also use the Yubikey as part of your Master Password workflow. Accessing. Static Password; OATH-HOTP; USB Interface: OTP OATH. Edit: Damn, i see you commented 3 years ago xDCan I use Short Touch & Long Touch with Yubikey 5 NFC using NFC? When connected via USB I have short touch configured as Yubico OTP & long touch configured as static password. Verify as described below. I should also note that if your password is so long that it's uncomfortable to type regularly,. View Black Friday Deal at Amazon. This isn't a protocol, per se, but it is a functionality of the YubiKey. From the Yubikey website: Yubico recommends users to use the YubiKey in static password mode for only part of their password. The YubiKey has multiple interfaces, and you can disable some of them without affecting the others. After some research, I get to the point that a password, even a long enough chaotic password handled by a password manager, is not enough to really guarantee the security of my accounts. These “hard tokens” use a physical device — a smart card, a bluetooth token, or a keyfob like the YubiKey — to authenticate users. From inside the KeepassXC app, you can Ctrl+V and it'll automatically Alt+Tab to the last used app and paste a pre-defined sequence (including Tabs, pauses, etc. The YubiKey OTP application provides two. The YubiKey 5 provides the most comprehensive protocols of any security key out there, as well as some excellent additional features for those who are security conscious. Static Password; OATH-HOTP; USB/Apple Lightning® Interface: OTP OATH. I’ve toyed with using a static password on the yubikey in conjunction with a password manager, so even if the password manager was broken into, the static password portion would be still secure. Disabling the OTP interface will prevent the YubiKey from emitting an OTP when touched. For those who don't know, the YubiKey is a USB device that mimics a keyboard and outputs a password. and password. That is why I still love this simple standard key: the availability of the static password feature. Here are some advices: First,use two Yubikey’s (one left in the default configuration mode and one re-flashed in static password mode) to cover all your authentication mechanisms. << Way easier. The password is easy to remember, but, at the. Except using a hardware key to unlock my vault. Install Yubico key-as-smartcard driver 2. Use the YubiKey Personalization Tool to configure the two slots on your YubiKey on Windows, macOS, and Linux operating systems. Unlock with Yubikey static password feature (not OTP) plus one of my PINs (taps head). com Learn how to use the Static Password feature of the YubiKey, a hardware security key device that supports modern authentication setups, such as 2FA, MFA, OTP, and Passwordless. Clay Degruchy. That allows me to access all my Linux Servers. For more information about OTP generation, please visit the following link:**How to use your Yubikey to unlock BW (desktop) ** My situation is that I have and use Yubikey as a 2FA to login to BW (OTP or FIDO2) along with a long, complex master pwd. Desktop Yubico Authenticator. Yubikey offers two memory slots, meaning you can have two different configurations stored in the device. Secure Static Passwords – a YubiKey device can store a static user-defined password. Static Password Challenge-Response An off-the-shelf YubiKey comes with OTP slot 1 configured with a Yubico OTP registered for the YubiCloud, and OTP slot 2 empty. Changing the PINs for GPG are a bit different. The compare page of Yubico talks about "static passwords" (plural – read: more than one!). Or it could store a Static Password or OATH-HOTP. Basic example: the keylogger could steal your credit card info next time you type it in. It also has the ability to generate new static passwords on the fly. One of the major functions of the Yubikey is that it is hard to copy (the secret keys are write only, no read), so even if someone has access to it they will not be able to duplicate it. However, the YubiKey can also be programmed to type in a static, user-defined password instead. A one-time passcode or password (OTP) is a code that is valid for only one login session or transaction. FIDO: FIPS 140-2 with YubiKey 5 FIPS Series. You can also use the tool to check the type and firmware. The "Security key" series (the blue ones) only support the FIDO protocols (U2F, WebAuthn, CTAP2). TOTP is Time-based One Time Password. Using a static password with a yubikey might be a good approach until this feature is implemented, thanks for the suggestion! 1 Like. So you say you've memorised a super lengthy password, which is great, but you can add a lot of entropy by appending that to a static password stored on the YubiKey. If it is mandatory for you to have an additional factor, then the OnlyKey might be more appropriate. But once logged in, I want it to lock fairly soon (5 min) without the. **How to use your Yubikey to unlock BW (desktop) ** My situation is that I have and use Yubikey as a 2FA to login to BW (OTP or FIDO2) along with a long, complex master pwd. Then download the Personalization Tool from Yubico. Furthermore, you can use the Interfaces tab to switch YubiKey interfaces on or off. press any button on OnlyKey (flashes yellow) to unlock your KeePassXC database. One thing to note for others, when you click update settings, you have to. Depending on the context, touching it does one of these things: Trigger a static password or one-time password (OTP) (Short press for slot 1, long press for slot 2). High-end YubiKeys have numerous additional features: the ability to play back a static passwordI was surprised to see it was only considered in the 2 factor after the master password is entered. For this example we’re going to have the following setup: Memory 1: Yubico-authenticated One Time Password (this is used with services like LastPass) Memory 2: Static Yubikey password (traditional password - always the same) Secure Static Password 機能について. every time i try to configure i just got it working that the yubikey gives a static password by USB like "xyz" and when using nfc the output. With today’s news, the Yubico Authenticator app series now works seamlessly across all. Re: Changing Yubikey Static password - password length issue with Lastpass. Configures one of the OTP application slots to act as a Yubico OTP device. TOTP is Time-based One Time Password. This is the same reason why people use key files as soft tokens. The YubiKey 5 FIPS Series can hold up to 32 OATH credentials and supports both OATH-TOTP (time based) and OATH-HOTP (counter based). 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) CertifiedHi, I have a new Yubikey 4 and found that regardless of whether I have "enable manual update using the button" checked or not in the Yubikey Personalization Tool "Settings" options, the Yubikey's static password cannot be changed by holding the button down for 10 seconds. OTP: FIPS 140-2 with YubiKey 5 FIPS Series. The Yubikey doesn't appear to have this additional layer of protection. The Yubikey password consists of a static and dynamic part which makes this solution excellent for battling keyloggers and other eavesdropping techniques as the password is only valid for one time and void afterwards. How can i program the YubiKey that no carriage return is send after the password? Great would be a scripted solution to quickly change the static password/s on the YubiKey. The YubiKey has a "static password mode", which (when set up) makes the device act like a keyboard, entering a specific string of text when you touch the Y button on the YubiKey. 3 Operating system and version: macOS Big Sur 11. 4 Public identity / token identifier interoperability 5. Some features depend on the firmware version of the Yubikey. The documentation for the . The Private Key and password are held in the USB-like, hardware. After you've registered the YubiKey with your LastPass account, ensure that mobile access is "disallowed" in your LastPass Icon > My LastPass Vault > Account Settings link > YubiKey tab. 3. I recall a very long time ago that I needed to do something in Linux at the command line to get my yubikey to stop entering <CR> after it sent my static password-I need to include an OTP PW at the end of my static PW. 1. These features are listed below. OTP, OATH-HOTP, Challenge-Response, and Static Password) that is loaded in each slot. If you accidentally use the first slot, you’ll overwrite the configuration that allows your Yubikey to work as an OTP. As the name implies, a static password is an unchanging string. e. If the Master Password is guessed. Essentially, I need to verify that the inserted YubiKey gives user proper authorization to use my application. How to set, reset, remove, and use slot access codes . HID reports A HID report consists of eight bytes: the first byte represents a set of modifier key flags, the second byte is unused, and the final six bytes represent keys that are currently being. If you do register a static password on your key, then make sure to add the password to a backup key as well, write it down, and keep it somewhere safe. Enabling this will allow for altering the static password without the use of ykpersonalize. Some people program part of your static password to be input into a textbox when you press the gold circle, and then you manually type the other half of the static password. But that is more of a limitation of NFC than 1P or Yubikey. Since you cannot protect the static password with a PIN. YubiKey Security token Peripheral Computer hardware Computer Information & communications technology Technology comments sorted by Best Top New Controversial Q&A Add a CommentThought experiment: using static password feature to go 100% "passwordless", is it actually that unsafe? Threat model: your average citizen. It isn't exactly proper 2FA, but at the preboot level, there isn't much you can do about that, and the level of entropy provided by a memorized credential and a long static password is enough. Some features depend on the firmware version of the Yubikey. Pro tip: when using a static password, say to remember a strong master password. USB Interface: FIDO. Static password. Yubico-OTP, challenge response and static password aren’t protected by any password. Programming the YubiKey in "OATH-HOTP" mode. $50 at Amazon. This combination gives you a high entropy password but is still considered. Removes an OTP slot configuration and sets it to empty. 4.