Are you trying to find usb security key for windows among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling usb security key for windows on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 18 hours of research and did 51 usb security key for windows tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best usb security key for windows you can buy today
![FIDO2 Security Key [Folding Design] Thetis Universal Two Factor Authentication USB (Type A) for Multi-Layered Protection (HOTP) in Windows/Linux/Mac OS,Gmail,Facebook,Dropbox,SalesForce,GitHub](https://m.media-amazon.com/images/I/319b82vXgEL.jpg "The 8 Best usb security key for windows of %currentyear% 46")
- Passwordless World - A revolutionary new way to protect your account info. By being FIDO2 certified by the world’s largest ecosystem for standard-based, interoperable authentication, FIDO2 makes everyday log-in experience effortless and passwordless yet more secure than generic password style security. **Note: FIDO2 does NOT support Mac log-in.
- Online Account Protection - FIDO2 key is backward compatible with U2F protocol and works with the newest Chrome browser with operating systems such as: Windows, macOS, or Linux. U2F can be supported and protected on all websites that follow U2F protocols.
- Multi-factored Authentication - Built-in, advanced HOTP (One Time Password) technology that completes the unique multi-factored authentication process. Eliminate worry and help prevent losing your account info to theft, phishing, hacking, or other online scams. Note: Only Enterprise Users using Azure Active Directory can access Windows Hello log-in via Thetis FIDO2 Security Key.
- Compact And Durable - 360° design with rotating aluminum alloy cover that shields the USB connector when not in use. Tough and durable alloy protects FIDO2 key from daily wear-and-tear, accidental drops, and scratches.
- Portable Design - ultra-portable design allows you to take your FIDO key anywhere you need it.
- Security Passwordless: FIDO2 certified which support U2F protocol with the latest Chrome on Windows,Linux, OS, Gmail, Facebook, Dropbox, GitHub,Two-Factor Authentication for protect
- The Thetis Pro FIDO2 Security Key is an all-purpose multi-factor authentication security key that will provide passwordless protection, NFC compatibility, and HOTP with exclusive dual USB ports.
- Work well with both USB-A and USB-C ports and Near Field Communication, the NFC tech means that instead of plugging it in, you can just tap the key against the right devices to activate the authentication.
- Highly Durable: 360° rotating metal cover, extremely secure and durable, usb security keys are tamper resistant, water resistant, and crush resistant. Provide low-cost and simple solution with high security.
- Small and portable: Easily fits on your keychain and requires no battery or network connectivity, its high quality body stands up to life's little dings
![FIDO U2F Security Key, Thetis [Aluminum Folding Design] Universal Two Factor Authentication USB (Type A) for Extra Protection in Windows/Linux/Mac OS, Gmail, Facebook, Dropbox, SalesForce, GitHub](https://m.media-amazon.com/images/I/414cv-4SxrL.jpg "The 8 Best usb security key for windows of %currentyear% 50")
- Protect Online Account - Offer a strong factor authentication to your online account. Never lose your accounts through password theft, phishing, hacking or keylogging scams.
- Universal Compatibility - The Thetis U2F key can be used on any websites which support U2F protocol with the latest Chrome installed on your Windows, Mac OS or Linux. (Important Note: Not compatible with any email clients including Apple Mail, Mozilla Thunderbird or Microsoft Outlook)
- FIDO-U2f-Certified - Safety is our priority. Certified by world's largest Ecosystem for Standards-based, interoperable Authentication. Only support U2F protocol (No UAF or OTP). Provide low-cost and simple solution with high security.
- Extremly Durable - Designed with a 360° rotating metal cover that shields the USB connector when not in use. Also, crafted from a durable aluminum alloy to protect the Key from drops, bumps and scratches.
- Portable Design - Compact, ultra-portable design allows you to take your FIDO key anywhere you need it.
- Security Key : Protect your online accounts against unauthorized access by using FIDO2 and U2F authentication with T110. It's the world's most protective security key that works with windows, Mac OS, Linux as well as Chrome, Firefox, Edge and many other major browsers.
- Certified with the new FIDO2 standard, T110 provides the benefit of fast login and strong protection against phishing, account takeover as well as many other online attactks.
- Works with : Bank of America, Github, Google, Microsoft, DUO, Twitter, Facebook, Dropbox, Apple, ebay, BINANCE, mor and more.
- Fits USB-A port : Insert the T110 security key into the USB-A port of each service and log in conveniently with one touch
- For the driver download and user guide, please visit TrustKey Solutions Home support page.
- FIDO-ONLY FUNCTIONALITY: Supports FIDO2 (passkeys) and FIDO U2F protocols for passwordless and second-factor authentication. Does not support OTP, TOTP, Smart Card (PIV), or other advanced features - upgrade to YubiKey 5 Series for extended functionality.
- DEVICE & OS COMPATIBILITY: Compatible with Windows, macOS, ChromeOS, and Linux. Works seamlessly with supported services like Google and Microsoft accounts, and major password managers. See the full compatibility list at "Works With YubiKey."
- AFFORDABLE SECURITY SOLUTION: Designed as a cost-effective option for users focused on FIDO2 and U2F protocol-based authentication needs.
- PORTABLE & EASY TO USE: Authenticate by plugging into USB-A ports or tapping on NFC-enabled devices. No batteries or network required.
- DURABLE & RELIABLE: Resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Securely manufactured in USA & Sweden.
- Security Key : Protect your online accounts against unauthorized access by using FIDO2 and U2F authentication with T120. It's the world's most protective security key that works with windows, Mac OS, Linux as well as Chrome, Firefox, Edge and many other major browsers.
- Certified with the new FIDO2 standard, T120 provides the benefit of fast login and strong protection against phishing, account takeover as well as many other online attactks.
- Works with : Bank of America, Github, Google, Microsoft, DUO, Twitter, Facebook, Dropbox, Apple, ebay, BINANCE, mor and more.
- Fits USB-C port : Insert the T120 security key into the USB-C port of each service and log in conveniently with one touch
- For the driver download and user guide, please visit TrustKey Solutions Home support page.
- Keep your online accounts safe from hackers with the YubiKey. Trustworthy and easy-to-use, it's your key to a safer digital world.
- CONVENIENT & PORTABLE: Convenient to carry and use wherever you go, ensuring secure access to your accounts at all times. Simply plug in via USB-C to authenticate.
- VERSATILE COMPATIBILITY: Supported by Google and Microsoft accounts, password managers and hundreds of other popular services. Supports multiple authentication protocols including FIDO2 (hardware bound passkey), OATH-TOTP, Smart card (PIV) and OpenPGP.
- DURABLE & RELIABLE: Resistant to tampering, water, and crushing. No batteries or network connectivity required, offering dependable authentication without any downtime. Securely manufactured in USA & Sweden.
- SPARE KEY: It's recommended to have 2 YubiKeys. By registering a secondary key you ensure access to your accounts even if you lose your primary key.
- English (Publication Language)
- You can use your B210H security key to logon to your local Windows10 and Windows 11 PC via Windows Hello. (*Windows 10 Version 1903 and beyond)
- Security Key : Protect your online accounts against unauthorized access by using FIDO2 and U2F authentication with B210H security key. It's the world's most protective security key that works with windows, Mac OS, Linux as well as Chrome, Firefox, Edge and many other major browsers.
- Strong security without worrying about fingerprint data breach: B210H is designed with strong security with fingerprint recognition algorithm using MS500 security chip designed by eWBM. This prevents information being leaked and hijacked.
- Fits USB-A port : Once the fingerprint registration is completed, insert the B210H security key into the USB-A port of each service and log in conveniently with one touch
- For the driver download and user guide, please visit TrustKey Solutions Home support page.
- FIDO U2F certified, and FIDO2 WebAuthn compatible for expanded authentication options, including strong single-factor (passwordless), dual, multi-factor, and Tap-and-Go support across major browsers (for services leveraging the older FIDO U2F standard, instead of using biometric authentication, Tap-and-Go allows the user to simply place their finger on the VeriMark Desktop Fingerprint Key to enable a security token experience).
- Windows Hello certified (includes Windows Hello for Business) for seamless integration. Also compatible with additional Microsoft services including Office365, Microsoft Entra ID, Outlook, and many more. Windows ARM-based computers are currently not supported. Please check back for future updates on compatibility
- Encrypted end-to-end security with Match-in-Sensor Fingerprint Technology combines superior biometric performance and 360° readability with anti-spoofing technology. Exceeds industry standards for false rejection rate (FRR 2%) and false acceptance rate (FAR 0.001%).
- Long (3.9 ft./1.2m) USB Cable provides the flexibility to be placed virtually anywhere on or near the desktop.
- Can be used to support cybersecurity measures consistent with (but not limited to) such privacy laws and regulations as GDPR, BIPA, and CCPA. Ready for use in U.S. Federal Government institutions and organizations.
- Two-year warranty means you can rest assured knowing you’re covered by Kensington.
- Mobile Bluetooth Compatibility - Connect to various iPhone or Android devices using advanced Bluetooth Low Energy Technology. Plus, NFC with iOS, and Android devices. Protection to prevent hacking, theft, scams, phishing, etc.
- No More Passwords - Revolutionizing the future of online security and account protection by being backed by FIDO2 protocol technology and the world’s largest standard-based, interoperable authentication processes. An effortless password-less world now awaits. **Note: FIDO2 does not support Mac log-in.
- Keep Online Account Safe - All our FIDO2 keys are backward compatible with U2F protocols and coincide with the latest Chrome browser and other popular operating systems including: Windows, macOS, and even Linux. U2F is supported and protected on all websites that follow U2F protocols. Note: Only Enterprise Users using Azure Active Directory can access Windows Hello log-in via Thetis FIDO2 BLE Security Key.
- Multi-Step Authentication - Designed with advanced HOTP (One Time Password) technology that offers an intricate and personalized multi-factored authentication process.
- Sleek & Durable Design - A sleek and slim black frame with a full 360 rotating aluminum alloy cover that protects the USB connector during non-use. Durable, reliable, and sturdy alloy protects the Thetis Key from daily use, accidental drops, and minor scratches. Thetis are proud to offer our customers a full 1-Year Warranty.
- Advanced Fingerprint Technology combines superior biometric performance and 360° readability with anti-spoofing protection, while exceeding industry standards for False Rejection Rate (3%) and False Acceptance Rate (0.002%)
- Login on your Windows computer (for Windows 10 please download the latest driver from the Kensington website) using Microsoft's built-in Windows Hello login feature with just your fingerprint, no need to remember usernames and passwords; can be used with up to 10 different fingerprints so multiple users can login to the same computer
- One-way conversion of biometric data into a proprietary template format prevents re-creation, reverse-engineering or use for unintended purposes, thereby protecting the user from identity theft; All biometric data is encrypted and digitally signed using strong 256-bit advanced encryption standard and transport layer security technologies to prevent eavesdropping, tampering or fraud
- Works in any PC (including Surface Pro 9/9/7/6/5/4) or docking station USB A port (USB 2. 0, 3. 0, 3. 1); also works in a USB-C port with a USB-C male to USB-A female adapter (not included)
- FIDO U2F Certified - your fingerprint can protect your cloud based accounts such as Google, Dropbox, GitHub and Facebook with FIDO second-factor authentication (requires Chrome browser)
- Compatible with Windows Hello, Windows 10 (download latest driver from the Kensington website), 8 and 7; NOT compatible with Mac OS or Chrome OS; Compact design easily attaches to a standard key ring for convenient portability
- Password Manager Compatibility supports popular tools, like Dashlane, LastPass (Premium), Keeper (Premium) and Roboform, to allow the fingerprint to authenticate and automatically fill in usernames and passwords for websites.
- FIDO2 + FIDO U2F certified security key
- Works in every browser without installing any drivers
- Supports desktops, laptops, tablets and mobile via USB-A.
- Durable design made to last for a long time with everyday use. Water-Resistant (IP67)
- Helps protect your accounts from phishing and other cyber-attacks. Prevents your devices from unauthorized use.
- Works with: Windows Log-In, Twitter, Google Accounts, Microsoft Accounts, Facebook, Salesforce, Zoho, Dropbox, DUO Security, Microsoft Azure Entra ID, Microsoft Active Directory, Coinbase, Bank of America, Okta, Ping Identity, eBay, and many more websites, applications, computers, laptops and devices that accept USB Security Keys.
- FIDO2 SECURITY KEY: A versatile, tamper-evident USB-A authentication device with sensitive presence detection for online security. FIDO 2.0 level 1 and U2F certified
- PASSWORDLESS CONVENIENCE: Replace frustrating passwords with a simple 4-digit PIN for accessing apps and sites. Seamlessly login to web apps and Windows sessions
- BROAD COMPATIBILITY: Works with Windows, Linux and USB-A devices. Seamlessly integrates with Identity Providers or Credential Management Systems supporting FIDO2, ensuring secure use across various platforms, including Thales, Microsoft, AWS, and Google
- ENHANCED USER ADOPTION: Features a sensitive presence detector on the USB key, providing ease of use and superior security. Certified for U2F and FIDO2, ideal for individuals who want to secure access to their personal online accounts - Microsoft, Google, Twitter, Facebook, GitHub
- THALES: We offer a wide range of FIDO authenticators, providing robust, phishing-resistant MFA that comply with stringent regulations. With almost three decades of experience, Thales is a pioneer in passwordless authentication devices, supported globally by the FIDO Alliance and industry analysts
- SOLVE THE PASSWORD PROBLEM: Identiv’s uTrust FIDO2 NFC Security Key allows individuals, businesses, and government agencies and contractors to replace passwords with a secure, fast, scalable, cost-effective login solution.
- SIMPLE AND SECURE: FIDO Alliance certified. The cryptographic security model of the device eliminates the risk of phishing, password theft, and replay attacks. The FIDO cryptographic keys are stored on-device and are unique for each website, meaning they cannot be used to track users across sites. Register your key to your FIDO/FIDO2 certified accounts, typically in the account/security section of your account, and know that you are using government level security to protect your accounts
- MULTI-PROTOCOL: Supports FIDO2, FIDO U2F, and WebAuth enabling strong multi-factor authentication, removing the necessity for passwords. Support for OTP and PIV are enabled for specific use cases (see Product Description below).
- MADE FOR EVERYDAY-USE: This FIDO security key works with everyday devices, including phones, tablets, laptops, and desktops, and across all services (e.g., Gmail, Facebook, Salesforce, LinkedIn, etc.). The keys connect wirelessly via NFC or VIA USB Type A or Type C (USB type depends on the model you are purchasing).
- It is best practice to have at least 2 keys when registering your accounts. One as your primary key for everyday use, and one as a backup key in the event you misplace your primary key. Most applications will allow you to register at least 2 keys.
- The uTrust Key Manager tool can be used to manage the FIDO2 PIN and for specific OTP and PIV functionality. See Product Description below for more information.
- 100% TAA COMPLIANT: Manufactured by a trusted USA Company
- FIDO2 Passkey Authentication: Achieve secure, passwordless login with FIDO2 passkey support, compatible with a wide range of platforms including Windows, macOS, Linux, Gmail, Facebook, Dropbox, GitHub and more.
- Enhanced Multi-Factor Authentication (MFA): Strengthen account security using either FIDO2.0 authentication or TOTP/HOTP codes via compatible apps, providing flexible options for added protection.
- Universal Connectivity: Features USB-A and NFC compatibility, making it easy to use across various devices including PCs, Macs, iPhones, and Android phones for seamless integration.
- Durable & Portable Design: Built with a 360° rotating metal cover for extra durability. Compact and lightweight, it easily attaches to a keychain for on-the-go convenience. No batteries or network required, ensuring dependable use anywhere.
- FIDO Certified & Business-Ready: Certified for FIDO standards and supported by a range of management software suites, ideal for both individual users and enterprise deployment.
- English (Subtitle)
- Embedded Fingerprint Sensor - Advanced embedded fingerprint sensor which facilitates a world-class one-of-a-kind password-less experience. A powerful security chip with state-of-the-art cryptographic algorithms ensures protection of online accounts and passwords.
- Password-less Future - Created with FIDO2 certification, experience a password-less future in an interoperable authentication process and make daily log-in experiences easy, instant, and protective for an advanced and revolutionary style of password-less security. **Note: FIDO2 does not support Mac log-in.
- U2F Backwards Compatibility - Thetis FIDO2 Fingerprint Key is backwards compatible with any and all websites that follow U2F protocols and work side-by-side with the newest Chrome browser and other popular operating systems such as: Windows, MacOS, Linux, and more. Note: Only Enterprise Users using Azure Active Directory can access Windows Hello log-in via Thetis FIDO2 Fingerprint Security Key.
- Multi-layered Authentication - Created with world-renowned HOTP (One Time Password) technology which creates a password-less solution to standard tokens. The leading multi-factored authentication process is with Thetis security key.
- Take It Anywhere - Designed to be small and compact to fit and be taken anywhere: car keys, pocket, purse, etc.
- FIDO2 and FIDO U2F certified USB-A security key and fingerprint reader provides password-less and biometric single-factor, two factor, and multi-factor authentication; compatible with Windows, macOS, and Chrome. Windows ARM-based computers are currently not supported. Please check back for future updates on compatibility
- Fingerprint reader exceeds industry standards for false rejection rate and false acceptance rate; supports up to 10 fingerprints
- TAA-compliant for use in U.S. Federal Government institutions and organizations
- Compact design features protective cover and tether; can be used in a docking station or usb hub
- Two year coverage and lifetime Kensington technical support included
- See our site for an up-to-date listing of supported software and services
- Google and Apple Passkeys Compatible - Seamlessly integrates with Google and Apple Passkeys, providing a secure and convenient authentication solution across various platforms
- English (Publication Language)
- [24/7 Customer Support] Need Assistance? We're Here to Help! If you're experiencing any difficulties using this item or need to download a driver, please reach out to us directly through our store. Our team is always ready and happy to assist you! For troubleshooting steps on installing the driver, kindly check the product description below. If you need further support, don’t hesitate to contact us—we’re here to ensure you have a smooth experience!
- Fast Fingerprint Authentication
- Documents/Folder Encryption
- 360° Fingerprint Recognition | Multi-Fingerprint Registration
- Designed for Windows 11/10: Supports Windows Hello Authentication
- This item is not compatible with ARM Based Chipsets and Tablet Devices. ***
- 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 other.
- FIDO: The YubiKey 5 Nano is FIDO certified and works with Google Chrome and any FIDO-compliant application on Windows, Mac OS or Linux. Secure your login and protect your Gmail, Facebook, Dropbox, Outlook, LastPass, Dashlane accounts, 1Password, and more.
- FITS USB-A PORTS: Once registered, each service will request you to insert the YubiKey PC security key into a USB-A port and simply tap to gain access. The extra compact size is designed to stay in the port so you can stay connected and secure anywhere.
- DURABLE AND SECURE: Extremely secure and durable, YubiKeys are tamper resistant, water resistant, and crush resistant. The YubiKey 5 Nano is designed to protect your online accounts from phishing and account takeovers.
- FIDO U2F and FIDO2 certified USB-C/Lightning Security Key with MFi certification to work with iOS computers and devices using the lightning connector. Also works with desktop computers, laptops, mobile devices via USB-C.
- No downloading of drivers are needed to use this security key. It works perfect on Microsoft Windows, macOS and Linux via USB-C/Lightning.
- Supports FIDO2 and FIDO U2F enabled applications, web-services, and websites. Also has PIV support.
- FIPS 140-2 Level 2 Certified
- Slim, sleek and durable design that is portable and easy to travel with. Attach it on your keychain, to a necklace, or place it in your wallet/purse.
- Helps protect your accounts from phishing and other cyber-attacks. Prevents your devices from unauthorized use.
- Works with: Windows Log-In, Twitter, Google Accounts, Microsoft Accounts, Facebook, Salesforce, Zoho, Dropbox, DUO Security, Microsoft Azure Entra ID, Microsoft Active Directory, Coinbase, Bank of America, Okta, Ping Identity, eBay, and many more websites, applications, computers, laptops and devices that accept USB Security Keys.
How to choose a good usb security key for windows
Does the idea of finding a fantastic usb security key for windows make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in usb security key for windows. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top usb security key for windows products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top usb security key for windows on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top usb security key for windows brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top usb security key for windows based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the usb security key for windows were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good usb security key for windows, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your usb security key for windows.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting usb security key for windows for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our usb security key for windows. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what usb security key for windows should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on usb security key for windows.
