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Free MultiFactor Authentication

"The keys to the kingdom," a common phrase in the IT industry. More commonly referred to as superuser rights, but for each and every one us it means access to our most personal and protected secrets. For businesses, it's the ability to exploit assets and information.

Authentication and authorization are areas where many small to mid-size businesses continue to struggle in. Mature security usually requires stringent password policies such as complexity, character inclusion, length and reset duration. These are usually seen as inconvenient or counterproductive leading to poor practices like users writing down passwords or otherwise finding ways to bypass these secure measures. A good middle ground is hard to find between functionality and security.

This is also the area where most exploits and comprises occur. Businesses on an upward trend tend to limit the investment in internal IT security budgets because the value is hard to assess until it is too late and a breach has occurred. This tends to limit the amount of security controls that protect an organization. This type of behavior is very common and understood based on the limitation that companies have with overhead resources. For most companies, a choice is made to limit the implementation of secure policies and practices, but this puts these same companies at great risk. So how can companies still keep their overhead down, but add an additional level of security?


The goal of MFA is to create a layered defense and make it more difficult for an unauthorized person to access your information. Simplifying this, we add an additional layer of security that can't be stolen without actually taking something personal, like a cell phone. But MFA solutions are costly and require significant effort to support right? The truth is yes, there are hundreds of MFA solutions out there that are what we consider Enterprise grade, and like all good Enterprise grade products they require licenses and support; but there is an option.


Multi-OTP is an open source product that provides MFA solutions for both Windows, Linux, and Web Apps. It provides this capability through a mechanism called One-Time Password (OTP) which is done via SMS, Software Token, or Hardware Token. The product currently has a paid enterprise version and an OpenSource Community supported version that is available for download. Several add-ons have been published for the community version granting this tool more capabilities.

Current capabilities for MultiOTP include:

  1. Workstation MFA (Linux and Windows)

  2. Server based MFA (Linux and Windows)

  3. Active Directory integration

  4. AWS Workspace Ready