A good password manager is the first step to online security but not the last. Enabling two-factor authentication on your accounts is the next step, and using a physical security key is the most secure way to do so. The NY Times (Wirecutter) did the research and found that the Yubico YubiKey 5 Series has the best combination of compatibility, usability, and security of any key they tested. The NY Times selects the YubiKey 5-series as the best security key.
The Yubico YubiKey 5-Series supports a wide array of security protocols, which makes it compatible with more online accounts than most other keys. Yubico also provides the best documentation, and its excellent introductory experience eases the process for newcomers. Compared with other security keys, the 5-Series offers more connection options, including USB-A, USB-C, and a dual-headed USB-C and Lightning-port model for iOS users. All of the full-size keys have a hole so you can attach them to any keychain, making them portable, and in our tests they proved durable after weeks of regular use. The YubiKey 5-Series can be a little more expensive than other keys with similar features, but its robust compatibility with more devices and accounts makes it worth the price.
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