Phone-Based Two Factor Authentication Vendors

• Authentify

  "Authentify provides user authentication, transaction confirmation, transaction authentication services, voice biometric and other authentication functions for:

  • The #1 Bank in the World
  • The #1 E-commerce site on the Internet
  • The #1 P2P Payment provider
  • The #1 Online Auction Site
  • The Largest Insurance Company in North America
  • The #1 Online Trading Site
  • The Nation's Largest Credit Union and many others."

• Deepnet Security
  Claim to fame: "The largest selection of authentication methods: soft and hard tokens, tokenless, biometrics, PKI and device DNA"
  Five star review in SC Magazine: Deepnet Security Unified Authentication Platform v3.4

• DuoSecurity
  Claim to fame: broad range of supported methods, well regarded technical lead, free for up to 10 users and open source projects.

• Mobile One Time Password (Sourceforge)
  Claim to fame: open source cell phone one time password solution with token clients for iPhone, Android, Palm and OpenMoko

• Google Authenticator (code.google.com)
  Claim to fame: open source solution from Google with apps for Andoid, iOS, Blackberry, and PAM support for PAM-enabled applications.

• PhoneFactor
  Claim to fame: has many favorable comments listed on their awards and accolades page.

• SecurEnvoy
  Claim to fame: "The Inventors of Tokenless Authentication"

• SMS Passcode
  Claim to fame: has many favorable comments/awards on their News, Press & Awards page.

• tiQr
  Claims to fame: From the NREN community itself. Nominated from the Novay Digital Identity Award 2011; 2nd prize winner in the ACLU Develop4Privacy Challenge.

• Trustwave

• Vasco Virtual Digipass
  Claim to fame: many awards and distinctions listed at their Awards and Recognitions page.

• VoiceTrust Two Factor Authentication
  Claim to fame: combines a phone call to preconfigured phone number with biometric voice verification.