What I like most about YubiKey is its reliability and simplicity in daily use.

Once it’s set up, authentication is fast, predictable and works consistently across devices.

I use my YubiKey 5C NFC every day on macOS as well as on iPhone and iPad, and it integrates seamlessly into my workflow without adding friction.

From a security perspective, it provides strong protection against phishing and credential theft, which is a major advantage compared to app-based or SMS-based MFA.

It’s also easy to explain and demonstrate to customers, which helps with adoption and acceptance in professional environments. Review collected by and hosted on G2.com.

There are only minor downsides.

Initial setup and understanding the different supported protocols can be slightly confusing for less technical users, especially when used across multiple platforms.

Additionally, users need to be aware that losing the key requires proper backup or recovery planning.

However, these are more general considerations of hardware-based security keys and not specific flaws of YubiKey itself. Review collected by and hosted on G2.com.

I like YubiKey because it is simple, easy to use, and provides robust cybersecurity. It packages deep technical expertise into a robust and simple key. Setting it up was very easy and straightforward. Review collected by and hosted on G2.com.

I think it could be improved if there was a way to register YubiKeys so that if you lose them, someone could return them to you based on the serial number or barcode. It'd be nice if they had a lost YubiKey return service. Should be fairly trivial for them to implement. Review collected by and hosted on G2.com.

YubiKey provides exceptionally robust security with virtually no inconvenience. It is quick, dependable, and functions smoothly across various devices and accounts, all without requiring batteries, additional apps, or an internet connection. The plug-and-tap authentication process is effortless, making it easy to use while greatly lowering the chances of phishing or unauthorized account access. Review collected by and hosted on G2.com.

Some services still lack native support for YubiKey, which may restrict its usefulness in specific situations. If you lose the key and haven't set up proper backups, it can be quite inconvenient. The initial setup process might also seem somewhat technical for those who aren't familiar with such devices, and since the physical key is small, it's easy to misplace unless you keep it attached to something. Review collected by and hosted on G2.com.

I’ve been using the YubiKey 5C Nano as a hardware security key, and overall it has been a very solid experience. The biggest advantage of this model is its ultra-low-profile USB-C design, which allows it to stay permanently plugged into a laptop without sticking out or getting in the way. Once inserted, it’s easy to forget it’s even there.

From a security standpoint, the YubiKey 5C Nano delivers exactly what it promises. It provides strong, reliable two-factor authentication and works seamlessly with services that support FIDO2, U2F, OTP, and smart card authentication. Logging in is fast and consistent, and authentication feels both secure and convenient.

Setup was straightforward, especially for common platforms and services. After initial configuration, daily use is effortless — authentication is nearly instant and requires minimal interaction. The key has been extremely reliable, with no disconnects or recognition issues. Review collected by and hosted on G2.com.

That said, the Nano form factor has a trade-off. Because it’s so small and designed to stay plugged in, it’s not ideal for frequent removal or use across multiple devices. It’s best suited for a primary laptop rather than a keychain or mobile use. Additionally, users new to hardware security keys may face a small learning curve when configuring advanced features. Review collected by and hosted on G2.com.

Yubikey makes authentication easier and more secure for organizations. Review collected by and hosted on G2.com.

Yubikeys can be challenging to set up, especially if the team's technical expertise varies. Review collected by and hosted on G2.com.

The management is straightforward, and the documentation impresses with its quality and user-friendly usability. Review collected by and hosted on G2.com.

One is overwhelmed with a multitude of features, which on one hand is an advantage because many options are available. On the other hand, this also presents the dilemma of choice, and one must first figure out which option is best suited. Review collected by and hosted on G2.com.

Ease of use is on point, with security mainly ensured thanks to FIDO2. Easy to use and I systematically use it on all my services. Review collected by and hosted on G2.com.

The price may represent an obstacle to adoption, but given the security offered, it remains understandable. Review collected by and hosted on G2.com.

I use Yubico's Yubikey everyday for my job. Yubikeys are easy to setup and can be done in a matter of minutes. Instructions are simple enough for even none tech savvy people to deploy and use them. This allows MFA to be implemented across a whole platform with ease, keeping our organizations documents secure with the press of a button. Highly recommend for those that lose passwords easily, becoming the best way we have found to keep our logins secure. Review collected by and hosted on G2.com.

Though Yubikeys can be used in just about any type of login you can think of, we do come across platforms it cannot be used on occasionally. Review collected by and hosted on G2.com.

Ease of use and multiples access with one key Review collected by and hosted on G2.com.

Maybe because it becomes a thing not to loose

Lost the ANSSI CSPN certification Review collected by and hosted on G2.com.

The securing of mobile devices and other points of entry. Review collected by and hosted on G2.com.

The costs for the functions are comparatively high. Review collected by and hosted on G2.com.