The average global data breach costs a business $4.88 million. What is the main takeaway? A total of 99.9% of these compromised accounts across enterprises did not have MFA turned on.
Many Chief Technology Officers (CTOs), product managers, and financial executives hold a dangerous belief. They think setting up MFA is a simple and quick engineering task.
They also often view MFA Implementation cost as a highly predictable software subscription expense.
So to help you understand this better, In this article, we will look closely at the Total Cost of Ownership (TCO) for Multi Factor Authentication (MFA).
The Components That Influence MFA Implementation Costs
MFA deployment means you must separate the direct technology purchase costs from the underlying systems. For looking into MFA Implementation cost must also consider administrative overhead. Specialized engineering labor is needed to keep the system running.
The main parts of identity management rarely stay the same. They grow dynamically and often unpredictably.
This growth happens alongside new user signups and geographic expansion. It also changes with the continuous shifts in cyber threats. Here is how the cost breakdown works:
- Direct Licensing and CIAM Software Costs: The base expense of any third-party MFA setup is the licensing model. The chosen Customer Identity and Access Management (CIAM) or workforce identity vendor sets this model. Traditional enterprise IAM solutions range from $2.00 to $15.00 per user, per month.
- Systems, Telephony, and Delivery Costs: Baseline software licensing is just the start. The physical delivery of the secondary authentication factor adds a highly variable cost center. This is especially true for out-of-band communication methods like Short Message Service (SMS) that is one example of this.
- Hardware Token Expenditures: ISVs often serve highly regulated industries, defense contractors, or healthcare networks. These clients frequently demand physical hardware tokens. The upfront capital expense for these cryptographic devices usually ranges from $40 to $80 per unit.
- Human Capital and Cybersecurity Engineers: The most expensive and frequently underestimated part of MFA Implementation costs are the internal human toll. Building and maintaining identity systems takes highly specialized Identity and Access Management (IAM) talent. It also takes extensive IT administrative support. This support manages the inevitable difficulty when users start using the system.
The Limitations Working With MFA Solutions vs. Full Suite CIAM for Customer Identity Features
SaaS products often add MFA into their platform for their external customer base. These products are generally subject to Monthly Active User (MAU) pricing models.
Platforms like Auth0 give generous free tiers. These free tiers support up to 7,500 MAUs for basic B2C prototyping.
However, B2B SaaS setups often need enterprise-grade features. These features include multi-tenancy, role-based access control (RBAC), and enterprise SSO connections. These needs quickly force companies out of free tiers. They must then move into Professional or Enterprise contracts.
The MFA Implementation cost, for these paid B2B tiers can begin at $150 to $240 per month for a mere 500 MAUs.
The costs for MFA go up quickly as user bases interact with the platform. You must also look at the high cost of hiring a single in-house IAM engineer.
Build vs Buy: The Biggest MFA Cost Decision for CTOs
For B2B SaaS platforms and ISVs, CTOs face the confusing choice of building or opting for a pre-built commercial CIAM solution. Which is why, some people universally view an adaptive MFA solution and MFA Implementation cost as one of the top financial and architectural decisions a CTO will have to make.
Cost of Building MFA Internally
- Engineering Hours and Labor Cost: Teams might develop enterprise SSO from scratch across multiple standard Identity Providers. This task requires approximately 1,880 engineering hours. Supporting SCIM for automated user provisioning increases the requirement. It adds an additional 3,480 hours. We can assume a fully loaded engineering cost of $150 per hour.
- Maintenance Burden and Burnout:Identity systems are never static. Maintenance for a homegrown system routinely consumes 15% to 20% of a dedicated engineering team's bandwidth. This results in an estimated $1,230,000 in ongoing maintenance and MFA Implementation cost (over a three-year operational horizon). Companies developing this internally can often spend over 40% of their time on maintenance tasks.
- Recruitment Overhead: Hiring highly specialized IAM talent introduces its own massive cost center. Traditional tech recruitment agencies charge high fees. These can add to MFA Implementation costs that range from 15% to 30% of a candidate's first-year salary. Typically, a mid-level security engineer might earn $120,000 (you may require multiple based on your user base and industry).
Cost of Using Identity Platforms
- Vendor Lock-in: Opting to buy shifts the economic burden. It moves away from heavy capital expenses, like engineering salaries. However, the primary financial risk embedded within the buy model is architectural vendor lock-in. This combines with punitive, non-linear MAU pricing tiers.
- Feature Gating: Vendors routinely utilize aggressive feature-gating. This forces early-stage startups into highly expensive enterprise tiers. A single new enterprise client might demand a custom SAML connection. This can force a business to instantly upgrade to a higher MFA Implementation cost tier.
Long-Term Cost Comparison of MFA Implementation Cost
You can add up the total MFA Implementation cost of ownership over a standard three-year SaaS growth cycle. The homegrown build scenario yields a meager 9% ROI over three years.
This return is severely hampered by $3.56 million in total costs. These costs encompass system creation, continuous maintenance, customer onboarding difficulties, and delayed time-to-market.
Conversely, the buy scenario yields an extraordinary 1,954% ROI. This happens by removing the heavy administrative overhead and the massive overhead of cybersecurity engineer salaries.
Per-User Cost Comparison: In-House Build vs. IAM Provider (Including Labor)
When building internally, a company absorbs the entirety of the engineering burden.
We can base this on our previous calculations. The TCO for a homegrown enterprise SSO and identity system over three years includes several items.
This MFA Implementation cost includes the initial $804,000 development cost. But moreover, includes a $1.23 million maintenance burden. It also includes up to $36,000 in dedicated recruiting fees to hire specialized IAM talent.
This aggregates to roughly $2.07 million over 36 months. This creates a functional annual baseline cost of $690,000. This baseline cost strictly covers labor and administrative overhead.
Conversely, using a commercial CIAM vendor shifts the model. With this, MFA Implementation costs become an operational expense based on Monthly Active Users (MAUs).
Let us compare the per-user, per-year unit economics.
Hidden MFA Implementation Costs Many SaaS Teams Miss
Predictable licensing fees and engineering hour allocations are easily mapped on a spreadsheet. However, the true economic drain of an MFA setup usually happens later, post-deployment.
Account Recovery and Support Overhead
Industry research indicates the fully loaded labor cost for a single password or MFA reset workflow. It averages $70 per incident.
Large enterprise environments face high support demands. Token-related inquiries, synchronization issues, and lockout resolutions are common. MFA Implementation costs and issues can consume up to 25% of the total IT support workload. This heavy volume slows down help desk speed.
The total annual operational cost for maintaining a hybrid password-plus-MFA system is high. It can range from $850,000 to $1,200,000 for mid-to-large enterprises.
Fraud and OTP Abuse Protection
SaaS applications utilizing telephony verification are highly vulnerable. They often fall victim to sophisticated SMS Pumping or toll fraud operations.
In these scenarios, automated botnets trigger thousands of MFA SMS messages. These messages go to premium-rate international numbers controlled by the attackers. This results in very high cloud hosting bills(that can reach tens of thousands of dollars overnight).
Cybersecurity experts strongly recommend standardizing on Time-based One-Time Password (TOTP) authenticator apps.
Doing this helps lessen this risk and shifts the processing burden away from telecom networks entirely.
Multi-Region Availability
The physical delivery of secondary authentication introduces a highly variable cost center. International SMS routing introduces severe cost multipliers.
Sending an SMS to certain European, Latin American, or Asian markets can be expensive. This MFA Implementation costs can go to upwards of $0.04 to $0.10 per message segment. This is due to local carrier tariffs and interconnect fees.
Security Testing and Penetration Testing
The major issue with MFA Implementation costs is that Identity access needs perpetual upkeep. Teams must manage cryptographic agility to prepare for Post-Quantum Cryptography (PQC). They must patch newly discovered protocol vulnerabilities.
They also need to maintain complex SAML certifications. Supporting custom-mapped customer attributes is another requirement. All of this requires continuous dedicated engineering resources.
Homegrown authentication systems are a primary cause of burnout among technical staff. Over 33% of cybersecurity professionals consider quitting due to high stress levels.
Authentication Analytics and Monitoring
A B2B SaaS company might pursue SOC 2 Type II certification. Utilizing modern compliance automation software for this costs between $7,500 and $12,000 annually.
Engaging independent auditing firms requires an additional $8,000 to $16,000 per recurring audit cycle.
Furthermore, rigid regulatory frameworks like the NYDFS Part 500 mandate universal MFA. These MFA Implementation costs require companies to invest heavily in sophisticated SIEM logging. They must also invest in immutable audit trails and automated user access reviews.
MFA Cost at Different SaaS Growth Stages
The architecture, feature set, and underlying economics of MFA costs for setup and maintenance change over time.
Early-Stage SaaS Products
During the nascent stages, the estimated SaaS MVP development cost is $15,000 to $40,000 total. Startups operate with near zero marginal cost for MFA.
These types of companies do this by heavily relying on free tiers from modern vendors like Clerk, Stytch, and Kinde. These vendors support up to 10,500 MAUs before triggering billing events.
Building a bespoke authentication system is universally considered a huge failure at this stage.
Growing SaaS Platforms
At the standard growth stage, product investment hits $40,000 to $99,000 in continuous development. The MFA Implementation cost profile shifts to $500 to $3,000+ per month. This happens as successful SaaS companies exceed MAU limitations.
The authentication requirements undergo a radical shift. They demand mandatory setup of strict Multi-Tenancy and Role-Based Access Control (RBAC). They also require foundational Single Sign-On (SSO) connections via SAML.
Companies might dedicate in-house engineering resources to build custom authentication. Doing this for a single $48,000 enterprise deal
Enterprise SaaS with Millions of Users
At the mature enterprise stage, platform investment requires $99,000 to $299,000+ in continuous architecture refinement.
The MFA Implementation cost profile jumps to tens of thousands of dollars annually. This pays for custom-negotiated enterprise CIAM contracts.
The MFA strategy must now include fully automated SCIM provisioning. It must also include bespoke SAML IdP connections and advanced immutable audit logging.
Operating without SCIM compatibility brings massive operational support costs. Staff must manually provision and de-provision thousands of users via IT support tickets.
How to Choose the Right MFA Strategy for Your SaaS Product
Understanding the precise financial requirements and architectural demands at each stage is essential. On the whole, this knowledge is needed for sustainable growth.
When a Basic MFA Setup Is Enough
A basic MFA setup utilizing TOTP or email login links is generally sufficient. This works well during the MVP stage when finding product-market fit.
Building bespoke authentication here is universally considered a huge failure. It distracts from the main product value.
You can use developer-focused CIAM vendors with generous free tiers. This allows for quick setup and validation.
When You Need a CIAM Platform
A stronger CIAM platform becomes strictly necessary. This happens when SaaS companies transition to target mid-market businesses.
Security questionnaires from mid-market clients will strictly demand something specific. They will insist that the SaaS application supports the client's internal MFA policies.
Vendors must pivot to identity vendors. These vendors must supply easy Authentication as Code connections. This helps guarantee identity systems and MFA Implementation costs do not outpace Annual Contract Value.
When Enterprise Identity Platforms Become Necessary
Enterprise platforms become essential for ISVs. These ISVs operate in complex, highly complicated hybrid environments.
Setting up MFA here requires bridging modern protocols with legacy systems. This is done via intermediate identity brokers or RADIUS servers.
This ongoing maintenance adds significant operational overhead. It requires specialized systems engineering talent. This talent commands a massive premium in the current labor market.
Additionally, ISV software is often used in hospital environments. There, the software must connect directly with physical proximity cards (RFID/NFC)
MFA is a Security Investment, Not Just a Cost
The economics and MFA Implementation cost of identity verification are shifting fundamentally. In fact, due to the number of breaches and leaked passwords, the industry is moving toward true Passwordless authentication and cryptographic Passkeys.
Infisign aims to remove the risk of breaches, but also the heavy cost of implementing MFA across your own platform and internal techstacks.
Making for an easier and more reliable MFA solution that does not become a HUGE addition to your development costs.
Why? Well, passkeys are mathematically phishing-resistant and lower the probability of a catastrophic $4.88 million data breach (99.9% of which did not use MFA). But more importantly, because
Want to know how you can add passkeys and MFA to your platform? Book a free demo with the Infisign team to find out!
FAQs on MFA Implementation Cost
How much does MFA cost to implement?
MFA Implementation costs vary wildly between building internally and buying via a CIAM provider. Developing the baseline infrastructure to support Enterprise SSO and SCIM internally costs approximately $804,000 in raw initial development. However, using an IAM or CIAM solution can be a lot more affordable.
Does Microsoft MFA cost money?
Traditional enterprise IAM solutions, including Microsoft and others, generally enforce a flat monthly fee per provisioned user. The costs for these solutions range from $2.00 to $15.00 per user, per month, depending on the sophistication of the toolset. However, enforcing MFA through tools like Microsoft Authenticator can also introduce massive unbudgeted implementation costs.
How much does multi-factor authentication cost?
For B2B platforms, B2B paid tiers can begin at $150 to $240 per month for 500 MAUs. When adding telephony delivery channels, an SMS text message costs an additional base verification fee of $0.05 plus a channel delivery fee of roughly $0.0083 per message in the US. Hardware tokens can cost $40 to $80 per unit upfront.
Which MFA is free?
Many modern CIAM providers have free tiers to attract developers. Auth0 provides free tiers supporting up to 7,500 MAUs for basic B2C prototyping. Other modern providers like Clerk, Stytch, and Kinde offer robust free tiers supporting up to 5,000, 10,000, or even 10,500 MAUs before triggering any billing events.
