How Effective are IoT-Based Biometrics?

The Internet of Things and security: convenience, accuracy, reliability, & security of IoT-based biometrics is irrefutably high.

November 2, 20187 min read

Ashok Chintagunta

Written by Ashok Chintagunta, MS Computer Science, Louisiana Tech University

CTO & Software Engineer, AI and Automation

Published November 2, 2018Updated September 2, 2026

As we are now reaching a high point in our technological advancement, it’s clear that every aspect of our lives is somehow influenced by technology nowadays. This includes the field of security. When you say security and technology, one thing that we can associate with these two is biometrics.

Biometrics is basically one way of securing an identity, data, or information with the use of computer systems. However, when you integrate the Internet of Things with this, it becomes a whole new story. Today, we are aware of how beneficial IoT is when you add it to your systems. But when it comes to integrating this the Internet of Things and security, how effective is it?

The Rise of the Internet of Things

We can never deny the exponential growth of IoT. Since its inception, the number of devices that are connected to the internet has been consistently growing. With this being said, the need to provide a bullet-proof security measure arises.

In fact, by the time we reach 2020, the number of connected devices will reach up to 50 billion as stated in a report conducted by Cisco. In just a short span, the growth in IoT is undeniably fast.

Meshing IoT in Biometrics

As mentioned above, IoT is branching out in a lot of fields and is taking over the internet system. In terms of security, meshing up biometric devices with IoT is a promising idea. Currently, traditional biometrics are often expressed through login passwords for authentication. While this method is somehow effective and is still used today, it doesn’t coincide with the advancement we observe from the Internet of Things and security.

Because technology is evolving every day, IoT is now introduced in biometric devices. This needs to be addressed and both should be improved and integrated. The traditional biometrics such as passwords are easily compromised. Sure, there are preventive measures like two-factor authentication, but it surely is an inconvenience for the users most of the time.

As there are shortcomings in traditional security means, the need to integrate IoT-based biometric devices is acknowledged. Thus exploring new ways to improve these authentication processes for more accuracy and fewer threats.

How Effective are IoT-based Biometric Devices

As the internet system is a sophisticated ecosystem of processes, it’s no wonder why we require security measures to prevent fraudulent activities here. Hence, a biometric device should be installed and be enhanced with IoT for extra measures. However, is an IoT-based biometric device effective on the internet system in the long run? Here are some points to consider:

  • Less Human Intervention

A biometric device with lesser human intervention is much more beneficial when you want that no human dependency is going to be observed. What makes this effective is that there would be no room for prejudices since humans are prone to these feelings as well.

If you are to focus solely on human intervention to deal with security, there is a high likelihood that it will be cheated or abused, and there would be plenty of inconsistencies observed. With IoT-based biometrics, technology is used as the main source of security, making it much more accurate and consistent.

  • Less Room for Errors

As mentioned above, IoT-based biometrics are consistently following an objective set of systems and algorithms. This makes this method less likely to malfunction because its authentication process is secured and not easily replicated.

  • Less Cost in the Long Run

Let’s acknowledge that traditional biometrics are indeed cheaper. However, while IoT-based biometrics cost more initially compared to the former. We can never deny that it’s beneficial and cost-effective in the long run.

We’ve established that IoT-based biometrics have a lesser chance of failing, so this means that you will never have to deal with cost management. Nonetheless, before installing these IoT devices, you should meticulously dissect which programs, algorithms, and systems you really need. This is an essential step because although it helps you save in the long run, you need to do your research to avoid unnecessary Internet of Things and security expenses.

The level of convenience, accuracy, reliability, and security of IoT-based biometrics is irrefutably high. Thus, we can surely say that while integrating this may not be compulsory, it definitely is beneficial and helpful for us.

If you’re interested in upgrading your devices to maximize security and efficiency, let LA NPDT help you. Give our experts a call!

Comparison of Biometric Security Methods

Feature
Traditional Biometrics
IoT-Based Biometrics
Human Intervention
Often relies on human intervention
Lesser human intervention
Error Potential
More room for inconsistencies
Less room for errors
Initial Cost
Cheaper
May cost more initially
Long-Term Cost-Effectiveness
Can incur ongoing costs due to failures
More cost-effective in the long run
Accuracy & Consistency
Can be compromised
More accurate and consistent

What it takes to ship a connected biometric device

Choosing a biometric modality is the easy part. The work that decides whether a connected device survives a security review is architectural: where the template lives, how the device proves who it is to the cloud, and how you push a fix once the product is in the field. Teams that skip these three questions in concept design end up re-architecting after their first customer security questionnaire.

Design decision
Weak approach
Defensible approach
Why it matters
Template storage
Raw image stored on device or server
Irreversible template in a secure element
A stolen image is a permanent breach; biometrics cannot be reset
Matching location
Cloud matching of raw captures
On-device matching, only a match result leaves
Removes the central honeypot
Device identity
Shared credential across the fleet
Per-device key provisioned at manufacture
One extracted key should not unlock every unit
Transport
TLS with no certificate pinning
Mutual TLS with pinned roots
Blocks trivial interception on hostile networks
Updates
Manual firmware reflash
Signed OTA with rollback protection
Vulnerabilities are found after launch, not before
Presentation attack
No liveness check
PAD tested to ISO/IEC 30107-3
Photos and molds defeat naive sensors
Connected device circuit board on a test bench with oscilloscope and logic analyzer probes attached
Security claims are only credible when the bench data behind them exists.

The standards buyers ask about

  • ISO/IEC 30107-3 — presentation attack detection testing; the reference enterprise buyers cite for spoof resistance.
  • ISO/IEC 19795 — biometric performance testing, the source of credible FAR/FRR numbers rather than marketing figures.
  • ISO/IEC 24745 — biometric template protection: irreversibility, unlinkability and renewability.
  • ETSI EN 303 645 — baseline consumer IoT security; no universal default passwords, a vulnerability disclosure policy, secure update.
  • NIST SP 800-63B — where biometrics may sit in an authentication flow, and why they are treated as an unlock factor rather than a secret.
  • Regional privacy law — Illinois BIPA, Texas CUBI and GDPR Article 9 treat biometric data as special-category data with consent and retention duties.

Error rates in the real world

Lab accuracy and field accuracy diverge for boring reasons: wet fingers, gloves, glare, dust, dark skin tones under poor illumination, and users who never enrolled properly.

Specify a target false accept rate first — it is the security number — then measure the false reject rate that the chosen threshold produces on your actual user population, not on a vendor dataset. A device with a 1-in-50,000 FAR and a 4% FRR will generate support calls; a device tuned the other way is insecure.

Plan an alternate access path for the tail of users the sensor cannot read, because there always is one.

Cost and schedule reality

Work item
Typical range
Notes
Sensor selection and bench evaluation
$8k–$25k
Two or three modules tested against your user set
Secure element integration and key provisioning
$15k–$45k
Includes factory provisioning process
Signed OTA update pipeline
$20k–$60k
Rollback, staged rollout, failure telemetry
Third-party penetration test
$12k–$40k
Expect a second round after fixes
PAD / performance lab testing
$15k–$50k
ISO/IEC 30107-3 and 19795 campaigns
Certification and compliance documentation
$10k–$35k
Radio, safety and market-specific privacy work

Security architecture is cheapest to fix while the enclosure is still a rendering. Our product development consulting and design and development services cover this work alongside the mechanical and electronics program.

Frequently asked questions

How effective are IoT-based biometrics for security?

IoT-based biometric devices are effective due to several factors. They reduce human intervention, leading to less bias and inconsistency. They also offer less room for errors, as they follow objective systems and algorithms. This method provides high levels of convenience, accuracy, reliability, and security compared to traditional approaches.

What benefits do IoT-based biometrics offer over traditional methods?

IoT-based biometrics offer less human intervention, reducing the likelihood of abuse or inconsistencies found with human-dependent security. They also have less room for errors because they use objective systems and algorithms for authentication. While initial costs might be higher, they can be more cost-effective in the long run due to reduced failures.

Does integrating IoT make biometrics more accurate?

Yes, integrating IoT into biometrics improves accuracy. IoT-based biometrics follow objective sets of systems and algorithms. This design means the authentication process is secured and not easily replicated, leading to less malfunction. This provides more accurate and consistent security than traditional methods.

Are IoT-based biometric devices cost-effective?

IoT-based biometrics are beneficial and cost-effective in the long run. While their initial cost may be higher than traditional biometrics, they have a lower chance of failure. This reduces the need for cost management over time. Research into necessary programs and systems can help avoid unnecessary expenses.

Why is there a need for IoT-based biometrics?

There is a need for IoT-based biometrics because traditional security means, like passwords, have shortcomings. Passwords are easily compromised, and even two-factor authentication can be inconvenient. Integrating IoT into biometrics addresses these issues by offering more accuracy and fewer threats, enhancing security for evolving technology.

Sources and standards

Building a connected device that has to pass a security review?

Talk to our engineering team

A Baseline Any Connected Product Should Meet

  • No universal default credentials; each unit provisioned uniquely at manufacture.
  • Encrypted transport for all device-to-cloud traffic, with certificate validation actually enforced.
  • Secure boot and signed over-the-air updates with rollback protection.
  • Debug interfaces disabled or authenticated on production units.
  • Minimal data collection, with retention limits documented and implemented.
  • A published disclosure policy and a monitored security contact address.

Building the Evidence Package During Development

Treat the security package as a deliverable with the same status as the bill of materials. Assign an owner, capture the artifacts as they are created, and review them at each design gate. Retrofitting evidence after design freeze usually reveals that a shortcut taken at the prototype stage, such as a shared test key or an open debug port, has already shipped into pilot units. Fixing that late costs a firmware campaign at best and a recall at worst.

The commercial argument is straightforward: a documented update commitment and an independent test report shorten enterprise procurement cycles and remove the objection that stalls consumer retail listings. Security done early is a sales asset, not a compliance tax.

Frequently asked questions

How Manufacturers Demonstrate Security of Connected IoT Products to Customers?

Buyers, retailers, and enterprise procurement teams no longer accept a security claim on a box. They ask for evidence, and the manufacturers that win shelf space are the ones who prepared that evidence during development rather than assembling it under deadline pressure during a purchasing review.

Where Biometric Sensing Helps and Where It Overpromises?

Biometric authentication on a device is convenience first and security second. Accuracy claims should always be paired with the conditions of measurement, since false acceptance and false rejection rates move sharply with dirty sensors, cold fingers, changed lighting, and user population.

A responsible specification publishes both error rates at a stated threshold and describes the fallback path, because every biometric system needs one and the fallback is usually where the real security boundary sits.

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