An enterprise identity platform quickly becomes the authentication point for dozens of applications. That consolidation is valuable, but it changes the risk model: when a password is compromised, the impact is no longer confined to one application. Adding multi-factor authentication at the central authentication layer changes how that risk is managed - the stolen password alone is no longer sufficient to authenticate.
The enterprise challenge: passwords as the single control
Password compromise remains one of the most common initial access techniques in enterprise breaches, and the mechanisms are familiar: phishing pages that harvest credentials, password reuse across personal and corporate accounts, and credential-stuffing against exposed login pages. None of these techniques require sophistication, and none of them are stopped by password complexity rules.
The operational reality inside most organisations makes this worse. Some applications enforce MFA, others do not. Some enforce it for administrators only. Contractors and vendor accounts are frequently exempted "temporarily". The result is an inconsistent perimeter where the attacker simply looks for the door without the second lock.
Why per-application MFA does not scale
Enabling MFA application by application produces exactly this inconsistency. Each application has its own enrolment flow, its own supported factors and its own recovery process. Users end up enrolling the same phone in six different systems, helpdesks absorb the reset load six times over, and the security team can never state with confidence that MFA coverage is complete. Coverage gaps are not an implementation detail - they are the whole problem, because attackers route around strong controls to weak ones.
The Tanflow approach: MFA at the identity layer
The Tanflow IAM Suite implements multi-factor authentication centrally, at the same layer that performs single sign-on. The suite supports TOTP authenticator apps, email and SMS one-time passwords, and FIDO2 security keys. Because applications are federated to the platform over SAML 2.0, OAuth2 and OIDC, raising the authentication bar at the platform raises it for every connected application simultaneously - there is no per-application rollout.
For organisations that want to move beyond one-time codes, Tanflow also provides passwordless authentication built on FIDO2 - phishing-resistant passkeys and hardware security keys. FIDO2 credentials are bound to the legitimate origin, which means a convincing fake login page cannot harvest anything replayable. For the highest-risk populations - administrators, finance approvers, users with access to regulated data - this is a materially stronger control than OTP.
Tanflow additionally publishes a free companion application, the Tanflow Authenticator, a standards-based TOTP app for iOS and Android that generates time-based one-time passwords entirely on the device, works offline, and can be used with any TOTP-compatible service.
How central MFA behaves in practice
The workflow is deliberately unremarkable for the end user:
- The user opens any federated application and is redirected to the Tanflow login.
- They present their password, then their second factor - a TOTP code, an OTP delivered by email or SMS, or a touch of a FIDO2 key.
- Tanflow issues the federation assertion, and the user proceeds. Applications opened later in the session do not re-prompt unless policy requires it.
- The authentication event, including the factor used, lands in the central audit trail.
That last step matters more than it appears. When an auditor or an incident responder asks whether a particular login was MFA-protected, the answer is a recorded fact, not an inference.
Enterprise scenario
Consider an enterprise IT environment where the security team has been asked to demonstrate MFA coverage for all remote-accessible business applications. Attempting this application by application would mean a year of enrolment projects. By federating those applications to the Tanflow IAM Suite and enforcing MFA at the platform, coverage becomes a property of the architecture: an application is either behind the identity layer - and therefore behind MFA - or it is on an exception list that management can actually see and burn down.
Privileged access deserves particular attention here. Tanflow PAM enforces multi-factor authentication on the PAM gateway itself, so an administrator reaching for a production server passes MFA even if the target system knows nothing about second factors. The identity layer and the privileged access layer apply the same discipline.
Security and audit implications
Strong authentication is a baseline expectation in essentially every security framework enterprises are assessed against, and Tanflow's compliance mapping describes how its access-control capabilities align with frameworks such as ISO 27001, the RBI Cyber Security Framework and CERT-In directions. Centralised MFA also simplifies the evidence: enrolment status, factor types and authentication logs all live in one system, exportable when the assessor asks.
Conclusion
MFA is no longer a differentiator; ubiquitous, consistent MFA is. The practical way to achieve consistency is not a campaign across every application but an architecture in which applications delegate authentication to one platform that enforces it. The Tanflow IAM Suite provides that platform, with TOTP, OTP and FIDO2 options that let organisations match factor strength to user risk - and the audit trail to prove it afterwards.