Phone-Based Two Factor Authentication
From Joe St Sauver, focused on client cert deployment models, but many of these points will resonate with, and be applicable to, other multi-factor approaches
- 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.
- 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.