Best Alternatives to Duo Security
Looking for an alternative to Duo Security? Whether you need different pricing, features, or simply want to explore your options in the Cybersecurity space, we've rounded up the top alternatives based on use case overlap and ratings.
Common reasons people look for Duo Security alternatives include: Enterprise pricing can be expensive for small to medium businesses; Phone call and SMS fallback options are less secure than app-based MFA.
10 Best Duo Security Alternatives
Proton Mail
Swiss-jurisdiction zero-knowledge encryption protects emails from provider access entirely
YubiKey
Physical hardware key that makes phishing attacks technically impossible to succeed
Signal
The gold standard encryption protocol used as the basis for all major secure messengers
VeraCrypt
Hidden volume plausible deniability feature unique to VeraCrypt among free tools
HashiCorp Vault
Dynamic secret generation creates unique credentials per request that auto-expire
Tuta (Tutanota)
Encrypts email subjects and contacts in addition to body unlike most secure providers
Tresorit
PwC-audited zero-knowledge encryption positions it as most trusted encrypted cloud
Authy
Multi-device sync with encrypted cloud backup solves phone loss problem for 2FA
Auth0
Developer-first auth platform with highest SDK coverage and most flexible pipeline
Threema
Only major secure messenger requiring zero personal information for account creation
Still considering Duo Security?
See the full details, features, and pricing on the Duo Security page before you decide.
Try Duo