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Cybersecurity Information SecurityTop 10 Best Two Factor Authentication Services of 2026
Guide to two factor authentication services, comparing options from PwC, Deloitte, and EY and helping teams shortlist fit and tradeoffs.
How we ranked these tools
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Framework: Features 40% · Ease 30% · Value 30%
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PwC is the best pick for large enterprises that need governed MFA rollout because its service-led approach translates authentication policies into enforceable enrollment and operations across apps and IdPs, while Optiv is a strong alternative for teams wanting managed integration support with administrator visibility for handling exceptions during policy changes.
Editor’s top 3 picks
Three quick recommendations before you dive into the full comparison below — each one leads on a different dimension.
PwC
Service-led authentication policy translation into enforceable, governed enrollment and enforcement operations.
Best for: Fits when large enterprises need managed MFA governance and policy enforcement across apps and IdPs.
Deloitte
Editor pickAuthentication policy governance tied to enterprise role access processes and audit expectations across many applications.
Best for: Fits when enterprise governance, identity architecture, and rollout coordination matter more than a turnkey MFA UI.
EY
Editor pickIdentity governance and rollout orchestration that standardizes authentication policy changes across enterprise apps.
Best for: Fits when enterprise identity governance needs controlled MFA rollout across many applications.
Comparison Table
PwC
enterprise_vendorPwC provides identity and access management consulting that covers MFA controls and authentication governance.
Service-led authentication policy translation into enforceable, governed enrollment and enforcement operations.
PwC is strongest when MFA rollout must fit established enterprise identity patterns, including integration with existing identity providers and step-up controls for sensitive actions. The service approach emphasizes governance artifacts like authentication policy definitions, operational runbooks, and change management for enrollment and factor lifecycle. PwC also works well for organizations that need consistent MFA enforcement across applications and user populations with different risk profiles.
A key tradeoff is that PwC’s output depends on an implementation engagement, so teams that want a quick, self-serve toggle for consumer-style MFA often find the administrative cycle heavier than purely software-led approaches. PwC fits best when a security team owns authentication policy requirements and needs service delivery to translate those requirements into enforceable operating procedures.
- +Strong identity policy design tied to enterprise governance
- +Enrollment and enforcement workflows built around admin controls
- +Operational runbooks that support consistent factor lifecycle handling
- +Step-up authentication guidance for higher-risk access events
- –Implementation requires active project involvement from client teams
- –Fewer self-serve admin workflows than software-only MFA vendors
- –Factor rollouts can lag fast-moving teams without dedicated governance
- –Integration timelines depend on application and IdP complexity
Security governance teams
Define MFA policy for privileged access
Consistent enforcement at risk events
Identity and access managers
Integrate MFA behavior across IdPs
Reduced policy drift across apps
Show 2 more scenarios
IT operations teams
Run MFA during user lifecycle changes
Fewer access control exceptions
PwC operationalizes onboarding, offboarding, and factor handling using defined admin processes.
Risk and compliance teams
Maintain audit-ready authentication operations
Cleaner audit evidence trails
PwC structures authentication governance artifacts and change processes around ongoing admin oversight.
Best for: Fits when large enterprises need managed MFA governance and policy enforcement across apps and IdPs.
Deloitte
enterprise_vendorDeloitte delivers cyber risk and IAM consulting that includes MFA architecture and deployment.
Authentication policy governance tied to enterprise role access processes and audit expectations across many applications.
Deloitte’s MFA engagements typically combine identity program advisory with implementation planning that connects authentication requirements to access reviews, role governance, and incident response expectations. Delivery emphasis favors extensibility and automation via documented integration work with identity platforms and application access paths, including step-up behavior when risk signals require it. Governance controls tend to be a key output, with policy mapping, enrollment workflow design, and audit log expectations built into the program plan.
A tradeoff appears in the delivery shape because Deloitte is not an MFA vendor-managed authentication service for end users. Teams usually get best results when governance ownership exists internally and when Deloitte can access identity architecture details for integration and control design. One clear usage situation is enterprise rollouts that require coordinated policy changes across many systems while maintaining continuity for legacy authentication flows.
- +Governance-first MFA design aligned to access policy and audit needs
- +Strong integration planning with identity provider and enterprise applications
- +Enrollment and recovery workflow controls for large rollout programs
- +Operational handoff focused on ownership, monitoring, and change control
- –Delivery is consulting-led, not a self-serve MFA product experience
- –Integration work requires accurate identity architecture input
- –Usability for end users depends on rollout decisions and app readiness
- –Extensibility relies on the client’s automation and tooling maturity
CISO and identity governance teams
Align MFA policy to audit controls
Consistent policy and audit coverage
Identity engineering teams
Integrate MFA with existing IdP flows
Fewer login disruptions
Show 1 more scenario
Enterprise IT rollout leaders
Coordinate MFA enrollment and recovery
Controlled rollout with support readiness
Deloitte plans enrollment and recovery operating procedures for scale while controlling change risk.
Best for: Fits when enterprise governance, identity architecture, and rollout coordination matter more than a turnkey MFA UI.
EY
enterprise_vendorEY delivers cybersecurity and IAM advisory services for MFA policy, controls, and implementation.
Identity governance and rollout orchestration that standardizes authentication policy changes across enterprise apps.
EY brings a delivery model built around identity program governance, which fits organizations that need audit-ready authorization logic and change management for administrator access. The engagement style aligns with multi-system authentication environments where SSO handoffs, access policies, and recovery handling must be made consistent across applications.
A key tradeoff is that EY delivery typically depends on customer cooperation for identity data, application ownership, and operational sign-off paths. EY fits usage situations where the organization already has an IdP and needs a controlled rollout that reduces authentication drift across teams and apps.
- +Governance-led rollout planning for administrator authentication changes
- +Integration coordination across IdP, applications, and access policies
- +Operational controls designed for auditable identity administration
- +Policy design support for consistent MFA requirements across apps
- –Delivery effort increases when app ownership and enrollment inputs are unclear
- –Automation depth depends on scope chosen for integration and operations
CIO identity governance teams
Standardizing administrator MFA policy rollout
Fewer policy inconsistencies
Security program leads
Auditable controls for authentication changes
Cleaner audit trail
Show 1 more scenario
IAM engineers
Integrating MFA with enterprise IdP
Reduced authentication drift
EY supports handoff and configuration work so authentication behavior matches across applications.
Best for: Fits when enterprise identity governance needs controlled MFA rollout across many applications.
KPMG
enterprise_vendorKPMG advises enterprises on identity governance, authentication controls, and MFA transformation.
Authentication program governance that maps rollout workflows and policy standards to enterprise identity and access operations.
KPMG delivers two-factor authentication programs as part of broader identity and security consulting work, with emphasis on enterprise rollout planning rather than standalone user apps. Engagement teams commonly focus on connecting multi-factor authentication to enterprise identity providers and access workflows used by IT and security operations.
- +Strong focus on authentication policy design for enterprise access workflows
- +Integration planning for identity provider based sign-on environments
- +Governance and audit documentation tied to rollout and operational controls
- +Change management support for enrollment and recovery processes
- –Service delivery depends on engagement scope and defined implementation targets
- –Admin controls tend to be consultation-driven rather than product self-serve
- –Deep automation coverage depends on integration requirements and system boundaries
- –Authentication feature breadth is not centered on a single turnkey control console
Best for: Fits when enterprises need guided MFA governance, identity integration, and audit-aligned rollout controls.
Accenture
enterprise_vendorAccenture provides identity and access management consulting for enterprise two-factor authentication programs.
Program delivery that implements MFA policy rollouts across enterprise identity and application ecosystems.
Accenture delivers two factor authentication as part of broader identity and access management programs, with consulting, integration, and managed delivery for enterprise environments. Its work typically centers on tying MFA to enterprise identity providers, access policies, and application sign-in flows rather than offering a standalone authenticator app experience.
- +Strong integration work with enterprise identity providers and SSO flows
- +Clear project governance for MFA enrollment, policy rollout, and change control
- +Operational monitoring options tied to authentication events and access outcomes
- +Extensibility through custom integrations for edge systems and legacy apps
- –MFA results vary heavily with customer-side policy and enrollment decisions
- –Administration depth can feel heavy for teams without identity program ownership
Best for: Fits when large enterprises need managed MFA integration across many apps and access policies.
Optiv
specialistOptiv provides identity security consulting and managed services for MFA and access-control programs.
Optiv pairs authentication policy delivery with managed integration work across enterprise identity and access paths.
Optiv targets enterprises that need managed security outcomes alongside two-factor authentication rollouts. The service emphasizes integration with enterprise identity systems, policy control, and operational workflows that support ongoing access management.
- +Strong integration support for enterprise identity and application access workflows
- +Administrator visibility supports exception handling during authentication policy changes
- +Managed rollout approach reduces friction across multiple user populations
- +Governance-oriented reporting supports review of authentication behavior over time
- –More effort needed to align authentication policies with existing access governance
- –Automation depth depends on the identity integration selected during delivery
- –Less suitable for teams seeking self-serve configuration only
- –Enrollment and exceptions can require coordinated change management across systems
Best for: Fits when enterprises need managed MFA rollout with identity integrations and governance-level reporting.
GuidePoint Security
specialistGuidePoint Security advises on IAM architecture, MFA deployment, authentication policy, and access controls.
Managed authentication program delivery that couples policy enforcement with help-desk enrollment operations and governance reporting.
GuidePoint Security differentiates itself with an enterprise-grade managed authentication program that ties MFA enrollment and policy enforcement to help-desk operations, reporting, and identity governance workflows. It supports administration tasks such as user enrollment tracking, policy rollout planning, and ongoing verification for sign-in events across managed identities.
- +Managed implementation support for enrollment and policy rollout across organizations
- +Operational governance focus with audit-friendly access control reporting
- +Clear admin workflows for managing second-factor enrollment at scale
- +Integration-oriented delivery that fits into existing sign-in operations
- –Admin workflows depend on service engagement rather than self-serve configuration
- –Advanced automation and integration breadth may require additional effort
Best for: Fits when large organizations need controlled MFA rollout, admin governance, and ongoing operational enforcement.
SHI
enterprise_vendorSHI provides professional security services for identity, access management, and MFA implementations.
Vendor-delivered MFA rollout coordination tied to enterprise authentication flows, including policy and enrollment governance for admins.
SHI provides two-factor authentication services through a managed identity security approach that suits organizations needing vendor-delivered deployment rather than self-serve configuration. Core capabilities center on integrating MFA with enterprise identity systems, supporting administrator enrollment workflows, and delivering ongoing policy and enforcement changes.
- +Managed rollout coordination for MFA across enterprise identity and SSO
- +Administrator-focused enrollment and factor policy governance
- +Integration work supports consistent MFA enforcement across connected apps
- +Operational handoff reduces internal change effort for MFA adoption
- –Less effective for teams seeking a fully self-serve MFA setup
- –Factor and policy changes depend on SHI delivery and timelines
- –Advanced customization can require deeper integration work than expected
- –Reporting depth can be limited compared with MFA-first vendors
Best for: Fits when mid-market and enterprise teams need managed MFA integration with existing identity and SSO.
IBM Consulting
enterprise_vendorIBM Consulting implements identity governance, adaptive authentication, and MFA controls for enterprises.
Enterprise-grade MFA rollout orchestration that aligns authentication policies with IdP, SSO, and exception operations.
IBM Consulting delivers two factor authentication and broader identity assurance work as an implementation and integration service for large enterprises, not as a standalone app for end users. Teams typically engage IBM to connect MFA to existing identity providers, SSO flows, and access policies, then operationalize login requirements across apps and networks.
- +Strong enterprise integration with identity providers and SSO-driven login flows
- +Implementation support for policy rollout across heterogeneous applications
- +Governance focus on enrollment, exceptions, and admin operations continuity
- +Consulting delivery helps translate security requirements into controllable configs
- –Requires integration project coordination rather than quick self-serve enablement
- –MFA configuration quality depends heavily on customer identity architecture
- –Deeper operational change work can extend timelines across app onboarding
- –Some authentication coverage details hinge on the chosen client stack and IdP
Best for: Fits when enterprises need identity assurance rollout across many apps with tight governance and integration ownership.
Wipro
enterprise_vendorWipro provides managed IAM and cybersecurity services that include MFA implementation and operations.
Managed authentication policy rollout with delivery-led enrollment workflows across enterprise identity and SSO estates.
Wipro delivers multi-factor authentication services for enterprises that need managed identity controls across complex application estates. Its core capability centers on onboarding users and enforcing authentication policies through an enterprise identity layer, with implementation support for SSO and directory-driven enrollment.
- +Managed enrollment and policy enforcement across large user populations
- +Integration support for enterprise SSO and directory-based identity flows
- +Administrative workflows designed for controlled changes to authentication requirements
- +Implementation guidance for reducing friction during rollout and user onboarding
- –Friction can rise when authentication policies require custom application-specific mapping
- –Automation depth depends heavily on delivery scope rather than self-serve tooling
- –RBAC granularity for day-to-day admin roles may feel constrained for complex teams
- –OTP-based fallback paths can broaden attack surface if not governed tightly
Best for: Fits when enterprise identity teams need managed MFA rollout coverage across heterogeneous apps.
Conclusion
After evaluating 10 two factor authentication, PwC stands out as our overall top pick — it scored highest across our combined criteria of features, ease of use, and value, which is why it sits at #1 in the rankings above.
Use the comparison table and detailed reviews above to validate the fit against your own requirements before committing to a tool.
Frequently Asked Questions About Two Factor Authentication
How do Accenture and IBM Consulting typically connect two-factor authentication to an identity provider and SSO flows?
Which service providers handle two-factor authentication enrollment workflow automation for large user populations?
When an organization needs admin controls and audit log coverage for MFA changes, who fits best?
What integration issues show up during MFA data model and schema mapping, and how do Deloitte and KPMG address them?
Which providers support exception handling when employees lose second factors or need step-up behavior?
Where does two-factor authentication provisioning fall short in more service-delivery models, and what breaks when governance is weak?
How do GuidePoint Security and Wipro differ in how they manage ongoing MFA enforcement after rollout?
What tradeoff appears when an organization chooses managed program delivery over self-serve configuration for two-factor authentication?
Which providers support extensibility through integration into existing enterprise authentication paths instead of adding a separate MFA UI?
Tools reviewed
Primary sources checked during evaluation.
Referenced in the comparison table and product reviews above.
How to Choose the Right Two Factor Authentication
We separate options by how well two factor authentication fits your real login flow, especially the recovery path and the policy choices that control when a second check is required. The biggest differences show up in how authorization, auditability, and enrollment behave in day-to-day use.
Recovery codes and backup factor support
Why it matters
Recovery codes and backup factor support matter because users get locked out when they lose their second factor. It also affects whether IT can restore access without risky workarounds.
How to check
Ask for a demo of what happens when you uninstall the authenticator app or lose your phone. Confirm whether recovery codes are generated during enrollment, how many exist, how they’re rotated, and whether admins can revoke them.
Enrollment workflow control and timing
Why it matters
Enrollment workflow control and timing decide whether second factor requirements ramp safely or disrupt operations. It also shows how the tool handles edge cases like new users and changed devices.
How to check
Create a test user, then start enrollment and observe whether you can stage the requirement (before first login vs after). Verify what the admin can configure for forced enrollment, deadlines, and what error messaging users see.
Step-up triggers for sensitive actions
Why it matters
Step-up triggers determine how often two factor authentication reappears for high-risk actions. Better controls reduce friction while still protecting account changes and data access.
How to check
On a sandbox test account, attempt a sensitive action such as changing password or editing MFA settings. Check whether the product asks for a second factor every time, only sometimes, and whether rules are configurable in plain language.
Audit log for login and factor changes
Why it matters
Audit log for login and factor changes matters when you need to investigate account takeovers or configuration mistakes. It also helps teams prove what happened during incident response.
How to check
After a login and a factor change, locate the audit events and confirm they include timestamps, user identity, and method used. Ask whether you can export events and whether admin actions appear separately from user actions.
Device and session binding controls
Why it matters
Device and session binding controls affect how long a second factor remains trusted. If sessions are bound poorly, users keep re-prompting or, worse, the protection window becomes too long.
How to check
Log in with second factor, then refresh and attempt several actions within the session. Check whether you can configure “remember this device” behavior, session lifetime before re-prompting, and the ability to revoke trusted devices.
API and automation for provisioning
Why it matters
API and automation for provisioning reduce manual enrollment work and make policy changes repeatable. They also support integration depth for environments with frequent user lifecycle events.
How to check
Request documentation for provisioning and policy endpoints and review example requests. In the demo, ask to push a test user into an enrolled or not-enrolled state and then verify the resulting login behavior matches the configuration.
Red flags
- Recovery requires contacting support with no self-service backup
- Second factor prompts can’t be configured for sensitive actions
- Audit events miss key details like method used or factor change
Fit by situation
- If your users switch phones often, prioritize recovery codes and backup factor support.
- If you manage many new accounts each week, prioritize enrollment workflow control and timing.
- If you must investigate suspicious logins, prioritize audit log for login and factor changes.
Funding and competing interests
This study was co-funded by several of the vendors assessed in it. No single vendor funded it. Funders could propose the market studied.
They had no role in selecting vendors, setting or weighting criteria, analysing data or drawing conclusions, and they received the same factual-accuracy check as every other vendor assessed.
Market definition, inclusion rules and criteria weights were fixed by an editor before research began and did not change afterwards. Editorial process →
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