Yubico - Security Key C NFC - Two-factor authentication security key, fits USB-C ports and works with mobile devices with NFC – Fido 2 certified

Great product for your online security. Works with all major emails and online services. You have to use it once to set up and not all the times. You should buy two for main and backup. Vendors allowed use of backup codes as well for recovery. PayPal requires YubiKey all the time on mobile and PC. For me NFC does not always work on iPhone 14 for PayPal. It’s a bit of hit and miss with NFC so use PC

I learned about this device on a YouTube video by Naomi Brockwell NBTV. I am so relieved I bought one, especially since getting hacked a while back. I feel so much more in control of my accounts now that no one (unless highly motivated) can change my settings. So quick to set up...there is literally no set up apart from plug and touch the sensor! I highly recommend this.

If you're not using this you should be.

Works straight out of the box. No need to do any installation or download additional software. (Though you are able to do this if you want via the free Yubico manager software, available from their website). You can immediately start adding this security key to your accounts as an additional (or sole) 2FA security access. NFC function works fine. However, there are some caveats: Google will only read the Yubikey if you're using Chrome browser. It doesn't work for Microsoft on Android devices. Additionally, Microsoft will require you to create a separate PIN and henceforth the key will be a second way of signing in. Not a second way of verifying who you are. The difference here is, as I understand it, with Google you still type in your username and password as normal, then you insert the Yubikey for the 2FA part(as expected). But with Microsoft, you don't need to type in your username and password... just insert the Yubikey raw and type in that new PIN you made and your signed in. For some reason, this feels less safe and is annoying. Not what I expected anyway And secondly, there still isn't widespread adoption of the Yubikey or even its competitor products like SoloKey. Despite this technology being relatively old, the major websites still haven't adopted this yet. Despite these very minor nitpicks, this is a great product that is an additional supplement for your security needs. Either as a backup 2FA option, or as your primary way of accessing your accounts on a day to day basis.

Great security device, does exactly what it says on the tin.

In a digital environment keeping your security with this kind of device is fundamental. Work appropriately with USB C and NFC.

This security key version of Yubico's 5 series range comes at a budget price, but with budget functionality in comparison to the standard 5 series range. To my detriment, even though the FIDO2 encryption and NFC function are identical to the Yubico 5 series keys, it fails to work with LastPass which is what I had intended on using it for. Do some research before your purchase this and don't be swayed like I was by the cheaper price unless you're sure it works with your intended hardware or software. If so, go for it! Not biometric so unsure why Amazon asks for a specific star rating for ‘Fingerprint ID” which doesn’t show up in the review

Whether you're a newbie to security keys or already rocking a Yubikey 5C, hoping to snag a backup, let me share my experience with the Yubikey C NFC. Honestly, I didn't bother doing my homework to understand the differences between the two keys. And boy, did I feel the consequences. This little guy falls short of meeting my needs in a few crucial ways. The main letdown for me was the absence of features I used daily, like OTP/2FA on the Yubikey Authenticator app on my iPhone. It's one of those things you don't fully appreciate until it's gone. You see, I was counting on this key to serve as a reliable backup, not just a secondary option. But alas, the Yubikey C NFC is limited to FIDO2 support only, which isn't as widely adopted as I had hoped. If all these terms sound like Greek to you, I strongly suggest doing some research to determine if this key aligns with your needs. My bright idea of saving a few bucks by going for the C NFC turned out to be a disappointment. Don't get me wrong—it might be sufficient for your requirements, but for someone like me who heavily relies on the key's capabilities, it was a downgrade. Sure, I could back up my OTP/2FA to apps like Google Authenticator, but that defeats the purpose of owning a key in the first place. The whole point is to keep passwords or codes offline and in our own hands, right? Just take a look at the pictures, and you'll see the Yubikey 5C NFC boasting all the bells and whistles—OTP, FIDO2, PIV—while the C NFC falls short with access limited only to FIDO2. As for build quality, it's exactly what you'd expect—durable and built to last. So, if you're crystal clear about your use cases and FIDO2 is all you need, then the Yubikey C NFC will do the job just fine. In a nutshell, the Yubikey C NFC is a secure choice, but it does come with a few limitations. If you've already formed a particular attachment to how you use your key, this one might disappoint you. However, if you carefully evaluate your needs and find that FIDO2 support covers your bases, this key can still be a reliable security option. Remember to do your due diligence and weigh your requirements before making a decision.

Security and peace of mind are worth the money. Everyone should have one, and every company should offer it as a two-factor authentication option. It’s a no-brainer!

Buona

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Perfecto

MicrosoftアカウントがFIDO U2Fのキーではダメで、FIDO2対応のキーが必要だったので購入しました。 FIDO U2Fのキーが使えるFacebookなどいくつかのサイトでは、セキュリティキーとしてこのキー(FIDO2)を使うと、登録時や認証時にPINの入力を求められます。(PIN入力せずに多要素認証できるサイトもあります) GoogleのTitan セキュリティ キーなどFIDO U2Fのみのキーであれば、ボタンにタッチするだけですみますが、このキーではPINの入力を求められる分手間がふえます。 PIN入力の分、セキュリティレベルが上がっていると解釈することもできますが…… 私の使い方の場合、一度ログインすると再度認証する頻度は高く無いので、よしとします。 Yubikey 4も持っていますが、見比べてみるとコストカットなのか樹脂部分の色合いにムラがあったり、若干盛り上がっている箇所があったりするので耐久性が気になります。