Continuous MFA Powered by Passive Biometrics. Designed for Contact Center Identity. Twosense is changing the way that BPOs handle identity security. Deploying Passive or Continuous Multi-Factor Authentication powered by passive biometrics allows for organizations to deploy phishing-resistant, PCI-compliant MFA to every agent, everywhere. Twosense is a no-phone, software-only, multi-factor authentication tool designed specifically for call centers. Save time and money without the need for hard tokens, and secure more security-conscious customers with a best-in-class identity security policy.