How It Works

PhoneFactor adds a second factor of authentication to any existing corporate or website login.

Step 1:
Enter your username & password.

Step 2:
Instantly, you receive a phone call. Just answer and press # (or enter a PIN).

That's It!

Try It Now

Security Alert

PhoneFactor Discovers Major Vulnerability in SSL Authentication

November 5, 2009 - A serious vulnerability in SSL, the most common data security protocol on the Internet, was discovered by Marsh Ray and Steve Dispensa of PhoneFactor.

The SSL Authentication Gap allows an attacker to mount a man-in-the-middle attack, and affects the majority of SSL-protected servers on the Internet.

More Info

Tokenless Two-Factor Authentication: It Finally Adds Up

PhoneFactor CTO Steve Dispensa explains our proven approach to tokenless two-factor authentication. Learn the details about how this technology works, and compare it to other authentication solutions on the market today.

Download Free Whitepaper Now

Industry Recognition

2009 FutureNow List & 2008 Top 10 Technology Company to Watch

Analyst's Choice Award & Finalist for 2008 eWEEK Excellence

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PhoneFactor, Inc provides secure two-factor authentication services to leading companies worldwide. PhoneFactor's multifactor out-of-band authentication software is a cost effective, user friendly alternative to tokens, security fobs, certificates, and other 2 factor authentication methods.
Secure User Authentication including: SSL VPN Authentication | Citrix Authentication | Web Authentication | Terminal Services Authentication | OWA Authentication
Two-Factor Authentication for Regulatory Compliance: Payment Card Industry Data Security Standards(PCI DSS) Compliance | FFIEC Compliance | HIPAA Compliance | NIST 800-63
Compare Phone Authentication to: Security Tokens | SMS Authentication | Biometric Authentication | Soft Tokens | Smart Cards | Certificates