Imagine the year is 2005. It’s 10 pm and someone rings your doorbell. Through the locked door, you ask who’s there and the person identifies themselves as Jack, your neighbor of five years. Since you know and trust Jack, you decide to open the door.
These days, you wouldn’t have to take Jack’s word for it. With video doorbells you can see exactly who’s at your door before you decide it’s safe to open. By layering in additional technology, doorbell vendors have made it easier to answer a critical question: who’s really asking to get in?
Enterprises face the same question every day.
For decades, they’ve relied on key cards, PIN codes, and fobs to secure access to sensitive areas. These systems are designed to confirm a credential was presented, and they do it well. But they can’t confirm who is actually presenting the credential.
Biometric access control solves this problem. It adds a layer of secure identity verification by using fingerprints, facial recognition, or other unique characteristics to authenticate the person behind the credential. It’s a proven way to make access control more secure, frictionless, and scalable.
Biometric access control is a security method that uses unique physical characteristics, such as fingerprints or facial features, to verify a person’s identity before granting access to a physical space.
As enterprise leaders face increased pressure to secure their organization’s sensitive assets, it can feel overwhelming to cut through competing vendor claims and technical jargon. Whether you’re just getting started with biometric access control, trying to understand how identity management with biometrics works, or investigating specific biometric readers, this guide offers the straightforward answers you seek.
Why Add Biometrics Now?
For many organizations, a near-miss, failed audit, or new compliance requirement becomes the catalyst for reevaluating physical access controls. While these are important, there are other reasons to add identity management with biometrics:
- Operational complexity. New locations, employee turnover, temporary users, and evolving access requirements can make managing credentials across multiple systems feel increasingly unmanageable.
- Heightened security expectations. Many organizations, like data centers, are protecting more valuable assets, sensitive information, and critical infrastructure than ever before. Teams are under growing pressure to prove who accessed a space, not just which credential opened the door.
- Limitations of traditional credentials. Lost key cards, shared PINs, and forgotten fobs create both security risks and administrative burdens. Teams waste time replacing credentials, disabling lost badges, updating permissions, and managing access.
- Compliance and audit readiness. Organizations need reliable, identity-verified records to support audits and satisfy evolving requirements. Biometrics allow teams to tie every access to a specific person, not just a credential.
Some organizations aren’t adopting biometrics for the first time. Instead, they’re modernizing aging biometric infrastructure to improve scalability, security and manageability. And they’re very interested in preserving existing access control system investments.
Biometrics in Physical Access Control
Authentication methods in physical access control typically fall into three categories: something you know, something you have, and something you are.
- Something you know. This is information that’s memorized, like PIN codes and passwords. This verifies a credential.
- Something you have. This is something physical or digital you carry, such as a key card, fob, or mobile device. This also verifies a credential.
- Something you are. This is a unique biological characteristic, such as fingerprints, facial features, iris patterns, voice characteristics, or even palm vein patterns. This verifies an identity.
In most enterprise environments, biometric authentication software isn’t replacing credential verification. Instead, it’s adding identity verification to the mix. Two of the most popular technologies used are biometric fingerprint readers and facial authentication systems.
How Biometrics Blend with Existing Systems
Choosing biometric access control doesn’t require replacement of an existing system that’s already working. Instead, organizations can add biometric authentication into mainstream access control platforms.
In many enterprise environments, this is accomplished through a biometric management layer that integrates with the existing access control system. Native integrations reduce deployment risk and eliminate the need for manual data synchronization.
Here’s a simplified way to think about it:
- The access control system is the authority that decides who should be able to get into which spaces.
- The biometric identity management layer sits between biometric readers and the access control system. It determines whether the person requesting access is actually who they claim to be.
The two systems handle distinct jobs:
Access Control System
- Manages access permissions
- Determines who is authorized
- Controls doors, schedules, and credentials
- Acts as the system of record
Biometric Identity Management
- Manages biometric identities
- Authenticates who the person is
- Manages enrollment and biometric templates
- Integrates with the existing access control system
There are some access control systems that claim to incorporate biometrics without a management layer. While this may seem handy in theory, in practice issues arise as deployments grow across buildings, sites, and user groups.
Without a dedicated biometric management layer, organizations may find themselves managing biometric data in multiple places, limiting future flexibility, and increasing admin complexity.
Key Benefits of Biometric Identity Management
A dedicated management layer makes biometric access control scalable, secure, and easier to manage across the enterprise.
1. Scale without adding Complexity
The challenge: As organizations grow, biometric deployments need to support additional buildings, users, and readers without requiring a complete redesign.
The fix: A biometric management layer provides a foundation that can expand alongside the organization while offering centralized management and a consistent user experience. Users enroll once and enjoy access everywhere they are authorized to be.
2. Secure biometric data without sacrificing privacy
The challenge: Biometric data introduces unique privacy, security and regulatory considerations. Organizations need confidence that biometric information is collected, stored and managed responsibly.
The fix: A biometric management layer helps organizations implement reliable authentication while maintaining strong privacy controls. These capabilities include:
- Encrypted templates to help protect user authentication data.
- An opt-in consent model so biometric data is only collected and used with full user approval.
- Real-time audit trails and consent tracking to support reporting and accountability.
- Integration with existing access control systems to help enforce consistent security policies across all access points.
- Local customer storage and ownership of biometric data to give organizations full control over data management, export, and deletion.
3. Reduce the administrative burden
The challenge: Managing enrollments, readers, and user information across multiple systems and locations can quickly overwhelm internal teams.
The fix: A centralized management layer simplifies enrollment, synchronization, and reader administration while reducing manual processes. IT, facilities, or security teams don’t need to get involved every time a credentialed employee or contractor needs access to a new space.
Biometric Access Solutions from the ISG
Traditional access control systems aren’t going away. Key cards, PINs and mobile credentials will continue to play an important role in physical security. But knowing that a credential was presented is no longer enough for many enterprises.
Many teams now recognize the value of adding identity verification to their access control systems. But they’re still investigating how to strengthen security without introducing additional complexity. They’re also evaluating which biometric technologies are best suited to their environment.
Your local ISG Member Dealer offers trusted, state-of-the-art biometric access solutions from leading partners like BioConnect and others for access control, mobile credentials, biometric tracking, integrated campus services and so much more. Our nationwide network of security experts also offer a variety of physical access control solutions including door locks, readers, cameras and much more.
Contact us today to talk to your local ISG expert about using biometrics as part of your organization’s complete security solution.
Original article written by Marissa Battaglia for BioConnect.
