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!

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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