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Neither cloud nor on-premises identity verification is universally better. Choose provider-hosted cloud when its documented data handling meets your requirements and you prefer the provider to operate the service. Choose self-hosting when you need more direct control over the environment and can take responsibility for its deployment, maintenance, upgrades and resilience. Private cloud can fall between the two, but its name alone does not tell you who controls the infrastructure or can access it.
What “identity verification” and “deployment model” mean
Here, identity verification means enterprise identity proofing: establishing that a claimed identity belongs to the person presenting evidence. NIST describes the goal as linking a claimed, validated identity to the real-life applicant at a specified confidence level. The deployment question is where the software runs and who operates it—not whether a person completes proofing remotely or in person.
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Those are separate choices. NIST distinguishes remote unattended proofing, remote attended proofing by secure video, on-site unattended proofing at a controlled workstation or kiosk, and on-site attended proofing with an agent or trusted referee. Any of those channels may be available with a particular hosting model if the product and its integrations support it. See NIST SP 800-63A for the proofing definitions and process.
How the deployment options differ
| Decision area | Provider-hosted cloud | On-premises or self-hosted | Private cloud or hybrid |
|---|---|---|---|
| Operations | The provider hosts and operates the platform, which can reduce the infrastructure work your team runs directly. Confirm the service boundary, support model and release practices. | Your organization operates the service on infrastructure it controls or arranges. You gain more control over operating and upgrade schedules, along with responsibility for deployment, maintenance and capacity. | Responsibilities vary. Establish who owns infrastructure, operates the application, controls changes and can access the environment. |
| Data location and access | Ask where each data type is processed, stored, replicated, backed up and logged, and where support access or subprocessors may be involved. A selected cloud region may not cover every component. | Can provide more direct control over the environment and processing location, but does not by itself account for telemetry, external checks, vendor support, backups or network flows. | A dedicated environment may provide isolation or location control while the vendor still manages the application or has controlled support access. Verify the actual architecture and contract. |
| Privacy and retention | Assess collection, purpose, access, retention and deletion for the full service and its subprocessors. | The same privacy assessment applies. Running software locally does not make data collection necessary, proportionate or compliant. | Hosting location is one part of the assessment; review the complete data lifecycle and access model. |
| Scale and continuity | Ask for documented capacity, service commitments, backups, regional failover, recovery objectives and incident procedures. Do not infer them from the word “cloud.” | Your team must size and operate capacity and recovery, or arrange managed support. Assess staffing and recovery capability against your workload. | Determine which resources are dedicated or shared and who operates recovery and continuity procedures. |
| Integration and exit | Review APIs, identity and data flows, integration effort, export options and exit terms. Feature parity is provider-specific. | Check the same items and identify dependencies on the vendor or infrastructure. Do not assume another provider will support the same interfaces. | Test portability and document dependencies on both the vendor and hosting provider. |
| Proofing journey | Hosting does not determine whether applicants are proofed remotely or on site. Choose a supported workflow that fits your population, accessibility needs and relying-party risk. | ||
For example, Innovatrics documents SaaS and self-hosted offerings with an identical API surface. That is a claim about that vendor’s products, not a general guarantee that cloud and self-hosted versions from other providers have equal features or are interchangeable. Innovatrics Digital Onboarding documentation
#1 Best Overall
- POWERFUL SECURITY KEY: The Security Key C NFC is the essential physical passkey for protecting your digital life from phishing attacks. It ensures only you can access your accounts.
- WORKS WITH 1000+ ACCOUNTS: Compatible with Google, Microsoft, and Apple. A single Security Key C NFC secures 100 of your favorite accounts, including email, password managers, and more.
- FAST & CONVENIENT LOGIN: Plug in your Security Key C NFC via USB-C and tap it, or tap it against your phone (NFC) to authenticate. No batteries, no internet connection, and no extra fees required.
- TRUSTED PASSKEY TECHNOLOGY: Uses the latest passkey standards (FIDO2/WebAuthn & FIDO U2F) but does not support One-Time Passwords. For complex needs, check out the YubiKey 5 Series.
- BUILT TO LAST: Made from tough, waterproof, and crush-resistant materials. Manufactured in Sweden and programmed in the USA with the highest security standards.
Where should identity verification data be stored?
Start with a data-flow inventory, not the assumption that one hosting region answers the question. Ask the provider to map each category of information and each service component across collection, processing, storage, replication, backup, logging and support access. Identify subprocessors and external services that receive data, and check whether location commitments cover every component or have exceptions.
Microsoft’s documentation for its own cloud services illustrates why this level of detail matters: it describes geographic scale units and regional replication, as well as service-specific or component exceptions and a worldwide model that can place data across locations. It is an example of cloud-residency complexity—not evidence about an identity-verification provider. Review the chosen vendor’s specific terms and architecture. Microsoft Entra data location documentation
Rank #2
- POWERFUL SECURITY KEY: The Security Key NFC is the essential physical passkey for protecting your digital life from phishing attacks. It ensures only you can access your accounts.
- WORKS WITH 1000+ ACCOUNTS: Compatible with Google, Microsoft, and Apple. A single Security Key NFC secures 100 of your favorite accounts, including email, password managers, and more.
- FAST & CONVENIENT LOGIN: Plug in your Security Key NFC via USB-A and tap it, or tap it against your phone (NFC) to authenticate. No batteries, no internet connection, and no extra fees required.
- TRUSTED PASSKEY TECHNOLOGY: Uses the latest passkey standards (FIDO2/WebAuthn & FIDO U2F) but does not support One-Time Passwords. For complex needs, check out the YubiKey 5 Series.
- BUILT TO LAST: Made from tough, waterproof, and crush-resistant materials. Manufactured in Sweden and programmed in the USA with the highest security standards.
For a self-hosted design, trace the same flows beyond the primary application: telemetry, support tooling, external identity or fraud checks, backups and any other network connections. Local installation is not proof that every related data flow remains local.
Hosting location is not the same as retention
Decide what the service keeps separately from where it runs. For every attribute, document why it is collected, who can access it, how long it remains and how deletion is handled. Include images, video, evidence copies, biometrics, audit history and information used for fraud management. NIST SP 800-63A calls for a privacy risk assessment covering identity attributes, biometrics, images and retention schedules; it is U.S. federal guidance, not a determination of every organization’s legal obligations.
Rank #3
- POWERFUL SECURITY KEY: The YubiKey 5 NFC is the most versatile physical passkey, protecting your digital life from phishing attacks. It ensures only you can access your accounts
- WORKS WITH 1000+ ACCOUNTS: Compatible with popular accounts like Google, Microsoft, and Apple. A single YubiKey 5 NFC secures 100+ of your favorite accounts, including email, password managers, and more
- FAST & CONVENIENT LOGIN: Plug in your YubiKey 5 NFC via USB and tap it, or tap it against your phone (NFC), to authenticate. No batteries, no internet connection, and no extra fees required
- MOST SECURE PASSKEY: Supports FIDO2/WebAuthn, FIDO U2F, Yubico OTP, OATH-TOTP/HOTP, Smart card (PIV), and OpenPGP. That means it’s versatile, working almost anywhere you need it
- PRIMARY & SPARE KEYS: Just like having a spare house key, we recommend buying two YubiKeys - one for daily use and one as a spare. That way you’ll never get locked out of your accounts
Retention can differ even within one vendor’s offerings. Innovatrics documents a session-based option that retains no customer or digital identity records and no images after the session, and a stored option that persists records, captured images and audit history. Its documentation also describes transport encryption and at-rest encryption for captured media in the stored tier. Treat these as vendor-specific examples to verify for the exact product and configuration, not as universal properties of either cloud or self-hosted software. Innovatrics Digital Onboarding documentation
Does on-premises identity verification improve compliance?
Not automatically. Self-hosting can provide greater direct control over infrastructure and processing location, which may help meet a specific internal or jurisdictional requirement. But compliance also depends on what data is collected, why it is needed, how it is protected, who can access it, how long it is retained and whether the service meets the applicable obligations. Those questions remain relevant when the software runs on your own infrastructure.
Rank #4
- POWERFUL SECURITY KEY: The YubiKey 5C NFC is the most versatile physical passkey, protecting your digital life from phishing attacks. It ensures only you can access your accounts
- WORKS WITH 1000+ ACCOUNTS: Compatible with popular accounts like Google, Microsoft, and Apple. A single YubiKey 5C NFC secures 100+ of your favorite accounts, including email, password managers, and more
- FAST & CONVENIENT LOGIN: Plug in your YubiKey 5C NFC via USB and tap it, or tap it against your phone (NFC), to authenticate. No batteries, no internet connection, and no extra fees required
- MOST SECURE PASSKEY: Supports FIDO2/WebAuthn, FIDO U2F, Yubico OTP, OATH-TOTP/HOTP, Smart card (PIV), and OpenPGP. That means it’s versatile, working almost anywhere you need it
- PRIMARY & SPARE KEYS: Just like having a spare house key, we recommend buying two YubiKeys - one for daily use and one as a spare. That way you’ll never get locked out of your accounts
Map the actual service, data, applicant population and controls to your legal and internal requirements. NIST’s privacy guidance is useful for structuring an assessment, but it does not substitute for the rules that apply to your organization, sector or geography. A vendor’s statement that an offering is compliant is not, by itself, a legal conclusion for every customer or deployment.
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Provider-hosted cloud may fit when
- You want the provider to host and operate the platform and your team prefers not to run its underlying infrastructure.
- The provider can document data locations, support access, subprocessors, retention and deletion in a way that satisfies your requirements.
- You have verified service commitments, recovery arrangements, security evidence, export options and exit terms for the specific offering.
Self-hosting may fit when
- You need more direct control over the environment, processing location or release schedule.
- Your organization can staff and maintain deployment, patching, upgrades, monitoring, backups, capacity and recovery.
- You have mapped external checks, telemetry, support access and other flows rather than relying on the location of the main application alone.
Private cloud or hybrid may fit when
- You need a particular combination of isolation, location and managed operations, and the provider can explain how it is implemented.
- You have documented who controls infrastructure, applications, keys, changes, support access and disaster recovery.
- You have confirmed which components are dedicated or shared and how data moves between environments.
A cloud-first organization with limited infrastructure staff may prefer provider operation if its data handling checks out. An organization with sovereignty-sensitive requirements may prefer a self-hosted or specifically controlled environment if it can operate it reliably. Neither description decides the answer on its own: requirements, architecture and operating capacity do.
Best Value
- Security Key : Protect your online accounts against unauthorized access by using FIDO2 and U2F authentication with T110. It's the world's most protective security key that works with windows, Mac OS, Linux as well as Chrome, Firefox, Edge and many other major browsers.
- Certified with the new FIDO2 standard, T110 provides the benefit of fast login and strong protection against phishing, account takeover as well as many other online attactks.
- Works with : Bank of America, Github, Google, Microsoft, DUO, Twitter, Facebook, Dropbox, Apple, ebay, BINANCE, mor and more.
- Fits USB-A port : Insert the T110 security key into the USB-A port of each service and log in conveniently with one touch
- For the driver download and user guide, please visit TrustKey Solutions Home support page.
Questions to put to a provider before signing
- Data map: Where are each of the service’s data types collected, processed, stored, replicated, backed up and logged? Which subprocessors or external services receive them?
- Access: Who can access production data for support, under what controls, and how is that access recorded?
- Retention: What is retained by default, for what purposes and for how long? How are images, evidence copies, biometrics and audit records deleted?
- Operations: Who patches and upgrades each component? What are the release cadence, maintenance windows and escalation process?
- Continuity: What capacity, backup, recovery, failover and incident commitments are documented, and who is responsible for carrying them out?
- Exit: What data can be exported, in what format, and what happens to remaining copies when service ends?
- Cost and workload: What is the full pricing basis, and what staffing, infrastructure and integration effort does each model require for your expected workload?
- Evidence: Can the provider support its claims about security, privacy, service levels and the exact deployment with current documentation and contract terms?
Do not choose based on assumed differences in price, latency, accuracy, fraud reduction or conversion: comparable evidence for those outcomes depends on the product and workload. Request proposals against your actual requirements and test representative applicant journeys before committing.
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