![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/51gaQQmMj3L._AC_SL3840_.jpg)







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🔐 Unlock next-level security with Thetis FIDO2 – because your digital life deserves elite protection.
The Thetis FIDO2 Security Key is a compact, FIDO2-certified USB Type-A device offering multi-factor authentication with HOTP technology. Its 360° folding aluminum alloy cover provides durable protection, while universal compatibility spans Windows, Linux, macOS, and Chrome OS. Designed for professionals seeking seamless, passwordless security across major platforms and services like Gmail, Facebook, and GitHub.







| ASIN | B07RL99HZ6 |
| Additional Features | FIDO2 Certified |
| Best Sellers Rank | #389 in USB Flash Drives |
| Brand | Thetis |
| Color | black |
| Compatible Devices | Windows, MacOS or Linux |
| Compatible Phone Models | Windows, Mac OS X, Linux (Debian Based or Red Hat Based) and Chrome OS |
| Connectivity Technology | USB |
| Customer Reviews | 4.2 out of 5 stars 1,108 Reviews |
| Flash Memory Type | USB |
| Hardware Connectivity Technology | USB Type A |
| Hardware Interface | USB |
| Item Dimensions D x W x H | 0.39"D x 0.59"W x 1.73"H |
| Item Type Name | FIDO2 Seucrity Key |
| Item Weight | 8.53 g |
| Manufacturer | Thetis |
| Mfr Part Number | MB000368 |
| Model Name | Thetis FIDO2 Security Key |
| Model Number | MB000368 |
| Number of Items | 1 |
| Read Speed | 480 bytes_per_second |
| Special Feature | FIDO2 Certified |
| UPC | 600231109321 |
| Unit Count | 1 Count |
| Warranty Description | Standard Express Warranty |
| Write Speed | 480 bytes_per_second |
T**S
Simplifies Multi-Factor Authentication with Easy Setup
This device has been a great addition for managing multi-factor authentication on some of my devices. The setup process was incredibly simple, making it very user-friendly even for those who aren’t tech-savvy. One of the best things about this product is its small size, which makes it easy to carry around and use on the go without any hassle. It operates seamlessly and has made my login process more secure and efficient. Pros: The compact design is a major plus—it’s small enough to keep on a keychain or slip into a wallet. The operation is straightforward, making it accessible for quick use without any complicated steps. Cons: The only downside I've noticed is that it feels a bit flimsy. While it works perfectly fine, I would have preferred a more solid build to give it a more durable feel. Overall, it’s an effective tool for anyone looking to streamline their multi-factor authentication process. I highly recommend it for its convenience and ease of use!
J**.
Exactly as ordered. Fast delivery.
Exactly as ordered. Fast delivery.
L**I
Gmail 2FA works well, windows is problematic.
It works for Gmail sign in (very easy setup -thanks Thetis & Google), but Windows 10 only gives the option to save and use the key in the online Windows account. Windows doesn't make it easy. It took me 4 hours to figure out how to make the key a default option on the online account in Windows. There's a myth out there that if you set up the online account with your security key that you will be able to use it to login to your Local Windows on your computer afterwards. (*Edited once I got more information about Windows 10*) this is false. Local Windows is not an App. Online Windows is an App, so the key will only work with Online Windows 10. Just to set up the key as a default option to login to online-Windows, you have to use the Windows 2FA phone app first, and then it eventually allows you to make the security key an option in the default settings, but ONLY logging into the online Windows. I only gave it a rating of 4 because of the difficulty in figuring out how to make the default setting work. The lack of documentation, on the part of Thetis was disappointing, but not surprising, considering that Yubikey is the key that Microsoft recommends. Btw, Yubikey and even Windows Hello can't login to Local Windows either so in the end I think the Thetis key was the best option.
B**S
FIDO Works Good!
The software from thetis.io/start to setup the security key is a little confusing since it covers two devices, the security key and the finger print scanner! just run the downloaded .exe file as administrator, and plug in the key and the software recognizes the key then click on FIDO and set your PIN. the rest of the instructions are good.
M**S
Thetis FIDO2 Security Key: Your Digital Fortress Unleashed
The Thetis FIDO2 Security Key is a game-changer in the realm of digital security. As someone who values safeguarding their online presence, this USB key is my go-to armor against cyber threats. What makes this little gadget stand out? Its folding design is not just sleek—it's a blend of security and convenience. Compatible across Windows, Linux, and Mac OS, it acts as a gatekeeper to my digital realms like Gmail, Facebook, Dropbox, and more, providing an extra layer of defense through HOTP (HMAC-based One-Time Password) authentication. The setup? Easier than a snap. Plug it in, follow a few prompts, and you've unlocked a fortress of protection. The peace of mind it offers is priceless. Its versatility is a standout feature. This tiny USB doesn't limit itself to a single platform or service—it's your shield across various domains, ensuring your sensitive data remains impenetrable. However, it's not a magic shield against all online risks; human vigilance is still key. In conclusion, the Thetis FIDO2 Security Key isn't just a gadget; it's a digital guardian. Its folding design may seem unassuming, but it's a powerhouse of security, protecting your virtual castle against unwanted intruders. If you value your online security fortress, this key is your trusted ally.
N**.
Useless
I vet in the VA using ID.me. I was a mainframe sysprog. If you are a Windows user, make sure you have RUN AS ADMINITRATOR in your context menu otherwise the device will not initialize, and you will be up the creek. I returned mine because it was useless.
R**D
It works
Fully met expectations. No need for further elaboration.
P**L
Windows 10 sign in is not supported by default 😕
I purchased this key for password less sing into my Window 10 Pro computer After contacting customer support I realized that it can be done ☑️ only with Microsoft Azure subscription Please note that when you buy this product
R**D
hardwaresleutel met redelijke prijs
niet al te dure hardwaresleutel voor extra beveiliging, werkt voor mij op zich prima met websites die dit ondersteunen, zoals ook Amazon :-) Afhankelijk van het OS dat je gebruikt kun je er meer of minder mee doen op systeemniveau.
G**9
usage
genuine item
S**N
Does not support many websites currently
I bought this as a backup to my Yubikeys. I should have researched more about before buying. Currently very few websites support Thetis FIDO2. I do not recommended buying this as your first security key. It's not good value for money at this stage.
M**L
Robusta, práctica y perfecta para reforzar la seguridad IMPRESCINDIBLE
La llave FIDO2 de Thetis destaca por su diseño plegable en aluminio, que además de proteger el conector la hace muy cómoda de llevar en el llavero. La autenticación funciona sin fallos: se reconoce rápido, no requiere configuraciones complicadas y añade una capa de seguridad real frente a contraseñas débiles o phishing. La construcción se siente sólida y el mecanismo de apertura es firme. Una opción fiable y bien diseñada para quien quiere mejorar su seguridad digital sin complicarse.
G**R
It works exactly as expected. Good value.
Easy to set up for this intermediate PC user. Works very well at logging in the computer it was set up for. It would be great if they made them in different colours so I could colour code them to different PC's.
Trustpilot
2 days ago
1 month ago