No additional infrastructure costs when using a managed cloud service.

Easy integration with a unified Authentication API, supporting multiple authentication technologies.

Complements existing identity and user management solutions, all user data is in your control.

Product description

Inside Secure Strong Authentication provides online service providers a comprehensive out-of-band multi-factor authentication solution. Due to the unique design and data separation, service providers can choose to use the Strong Authentication infrastructure as a service or deploy the solution on-premises. All end-users’ personal and account information is stored and managed in existing Identity or user management systems, Strong Authentication is focused on managing the users’ security tokens.

Global 24/7/356 cloud service with High Availability

Strong Authentication as a Service is a fully hosted cloud service with an Authentication API for online services. Service providers can integrate with the service and manage the integration using the Inside Secure provided Developer Portal.

Inside Secure Strong Authentication Service is distributed and deployed in several data centers and hosting providers around the world, being available around the clock 24/7/365.

Other information

The Security as a Service offering supports software and hardware based multi-factor (MFA) and 2-factor (2FA) authentication technologies, such as;


Mobile PKI with Biometrics

Authenticate users with digital signatures (PKI) and Biometrics using the Inside Secure Strong Authentication Client integrated into your own mobile app or with a turnkey whitelabel Smartphone App Authenticator, no specific hardware is required. Each authentication transaction has a dynamic authentication policy which defines whether the user is further authenticated with a PIN code, fingerprint or a face recognition in the app.


Strong Authentication Server supports industry standard FIDO authenticators. User can be authenticated with a FIDO Security Key hardware token or a FIDO enabled mobile device.
Any FIDO compliant hardware authentication tokens can be used.

Legacy and fallback OTP

Strong Authentication Server supports multiple One-Time-Passcode (OTP) based authentication methods. Inside Secure Strong Authentication Client and turnkey Smartphone App Authenticator generates standards Time-based One-Time-Passcodes (TOTP), any OATH standard compliant hardware tokens can be used, the server can be configured to send out OTP codes over SMS, and even a printable paper list of one-time-passcodes can be pre-generated for the end-users.