10 lines
342 B
Plaintext
10 lines
342 B
Plaintext
Duo provides simple two-factor authentication as a service via:
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1. Phone callback
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2. SMS-delivered one-time passcodes
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3. Duo mobile app to generate one-time passcodes
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4. Duo mobile app for smartphone push authentication
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5. Duo hardware token to generate one-time passcodes
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Duo two-factor authentication for OpenVPN
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