How to Add MFA to Legacy Systems You Cannot Replace
Leaving a critical system protected by a password alone creates an identity gap. But replacing every legacy system is not always practical. The better question is simple: How do you protect the systems the business still needs? Multi-factor authentication, or MFA, adds another identity check beyond a password. For legacy environments, MFA belongs within a layered defense that also considers network security, monitoring and privileged access. Think of a legacy system like an old suitcase at the airport. You may still need the suitcase. But you can add another protective layer around it before sending it on its way. What