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Best Security Keys in 2026

Choosing a security key means matching its authentication standards and connections to the devices and accounts you use. Compare USB connector and NFC support, biometric unlock, operating-system compatibility, and device-management options. Free-plan availability and paid-from pricing can help clarify the cost, too. The leading entries include Yubico Authenticator, Deepnet SafeKey, and SafeNet MobilePASS+, with Swissbit iShield Key 2 and FEITIAN ePass FIDO-NFC Security Key also among the first options. Check the listed details against your setup to see which keys offer the standards and connection types you need.

  1. 1

    Deepnet SafeKey

    Paid AndroidiPhoneMac+2

    Choose SafeKey if you want a hardware authenticator with several connection options and support for FIDO, OTP, and, on some models, smart-card use. It is a paid product with pricing by quote request.

    6.1 Pricing on request Visit site
  2. 2

    FEITIAN ePass FIDO-NFC Security Key

    Paid AndroidiPhoneLinux+3

    The ePass FIDO-NFC offers several authentication methods, two USB connector choices, and NFC support. Buyers should note that the K9 comparison table lists neither BLE nor biometric capability.

    6.1 From $32 Visit site
  3. 3

    Nitrokey 3

    Paid AndroidiPhoneLinux+2

    Nitrokey 3 combines authentication, cryptographic functions, and a limited-entry password store in a physical key.

    5.9 From €32 Visit site
  4. 4

    Solo 2

    Paid AndroidiPhoneLinux+3

    Solo 2 combines several authentication standards with on-device passkey storage and broad service support. Register a backup key, since resetting after a forgotten PIN erases stored passkeys.

    5.7 From $34 Visit site
  5. 5

    Swissbit iShield Key 2

    Paid AndroidiPhoneLinux+2

    iShield Key 2 lists a broad set of authentication standards, NFC, and support for several operating systems.

    5.7 Pricing on request Visit site
  6. 6

    Titan Security Key

    Paid AndroidiPhoneMac+2

    Titan Security Key combines USB and NFC connectivity with FIDO standards and a secure element. Check compatibility and regional availability before buying; the listed price is $30, paid once.

  7. 7

    Token2 PIN+ Release3.3

    Paid AndroidiPhoneLinux+2

    PIN+ Release3.3 USB-A combines passkey storage with several authentication standards and NFC.

    5.5 From $8.04 Visit site
  8. 8

    Token2 T2F2-NFC-Slim

    Paid AndroidiPhoneLinux+3

    Token2 T2F2-NFC-Slim combines several authentication standards with USB-A and NFC connections. Check that the companion-app requirement and PIN rules fit your setup.

  9. 9

    YubiKey 5 Series

    Paid AndroidiPhoneLinux+3

    YubiKey 5 Series offers a range of authentication protocols and connection types across its hardware models. Check the connector and compliance requirements for your environment before choosing a key.

    5.3 From $58 Visit site
  10. 10

    FEITIAN ePass FIDO Security Key

    Paid LinuxMacWeb+1
    5.1 From $32 Visit site
  11. 11

    HID Crescendo Key

    Paid AndroidiPhoneLinux+2
    5.0 Pricing on request Visit site
  12. 12

    Nitrokey Passkey

    Paid AndroidiPhoneLinux+2
    4.9 From €32 Visit site
  13. 13

    Security Key Series by Yubico

    Paid AndroidiPhoneLinux+2
    4.9 From $29 Visit site
  14. 14

    TrustKey T110

    Paid WebWindows

    TrustKey T110 combines several authentication protocols in a roaming USB-A key, with a published compatibility list and support materials.

  15. 15

    Token2 PIN+Bio3

    Paid AndroidiPhoneLinux+3
  16. 16

    Token2 PIN+ Dual Release3.3

    Paid AndroidiPhoneLinux+3
  17. 17

    Thales SafeNet eToken Fusion Bio

    Paid AndroidLinuxMac+1
    4.5 Pricing on request Visit site
  18. 18

    YubiKey Bio Series

    Paid LinuxMacWeb+1
    4.4 From $98 Visit site
  19. 19
    4.3 Pricing on request Visit site
  20. 20
    4.3 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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