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The Role of Biometric Security Solutions in Modern Business Security

A few years back, what felt like a thing of the future is now a common sight all around us. From our smartphones to security and access control – yes, we’re talking about biometrics.

Due to their efficiency and ease of use, biometric security solutions have become incredibly popular over the years and are on the way to fully replace physical and traditional checks and measures.

With crime growing with each passing day, it is very important for businesses to safeguard themselves and their assets from theft and misuse. Biometrics are a great solution for modern businesses as they add an advanced layer of security and serve as an effective security parameter.

Most people believe that biometric security is limited to fingerprint scanning but it is much more advanced and can take many forms such as face verification, retina scanning, and voice recognition.

Read on to find out all about biometric security solutions, their different types, how they work, and their role in modern business security:


Biometric security refers to a security mechanism that authenticates and authorises users based on their unique behavioural and physiological features. Biometric authentication is currently the strongest, most secure, and most accurate physical security measure used for access verification.

In biometric security solutions, biometric data is converted into digital format and authenticated and verified by the system. Characteristics such as fingerprints and retina scans are stored in the system and when someone tries to access the system using their biometrics, the system reads them and attempts to match them with the stored data. If they are a match, the user is granted access.

These solutions are mainly used in businesses and environments that are prone to theft, intrusions, and other security issues. They are highly secure and convenient because, unlike passwords, biometrics cannot be stolen or shared.

Fingerprint sensors are the most commonly used biometric identifiers due to their lower cost. However, for best accuracy, high-security environments often opt for iris recognition.


When it comes to biometric security, there are two broad categories of identifiers used – physical and behavioural. While physical parameters analyse things involving the body’s physical form such as facial features, eye structure, and hand shape, behavioural parameters analyse behavioural patterns associated with the user.

Examples of physical biometrics include:

  • Fingerprints
  • Retina
  • Iris
  • Facial geometry
  • Hand geometry
  • Skull shape
  • Palm and vein recognition
  • DNA

Examples of behavioural biometrics include:

  • Signature
  • Keystroke dynamics
  • Gait


As mentioned above, there are two broad categories of biometrics in security, and within the two categories, you can find several types of options. Some forms of biometric security are more popular than others due to their affordability while others are chosen due to their higher levels of accuracy.

Here are some of the most commonly used forms of biometric security solutions in modern businesses:


Fingerprints are the most commonly used form of biometric security that you can find not only in modern businesses but also in day-to-day objects such as smartphones and laptops. Their popularity is mainly due to their affordability and security.

Fingerprint scanners work the same way as other biometric identifiers where a digital image of the fingerprint is produced which is then compared to the database of saved fingerprints to prove the user’s identity.

Retina scans

Like fingerprints, every human also has a unique network of capillaries in the retina which, in most cases, remains the same and unchanged throughout a person’s life.

Retina scanners project a beam of infrared light into the user’s eye which is absorbed by the retina’s capillaries. The result is a pattern of blood vessels which is then analysed and verified against saved retina scans in the system’s database.

Iris scanning

Iris scanning, like retina scanning, scans a part of the human eye to check and verify the identity of the user. Iris scanning technology photographs the user’s iris and analyses its texture.

When creating a sample, the scanner uses around 260 anchor points which, when compared to fingerprint scanning, is much higher. Fingerprint systems have only around 60 to 70 anchor points.

Facial recognition

Facial recognition works by identifying and analysing the user’s identity using their facial features such as the distance between their eyes, nose, lips, chin, and eyebrows.

Facial recognition is a popular form of biometric security that is highly accurate and takes hardly a split-second to generate results.

Voice recognition

A user’s voice can also be used to verify their identity and is a common form of biometrics used in security solutions. The system checks the user’s unique voiceprint, and if it is a perfect match, it grants them access.

Also called speech recognition, voice recognition systems are most commonly used in businesses such as telephone banking and are considered more efficient than other forms of biometrics since they don’t require any physical contact between the user and the system and can be used for remote authentication.

Finger vein recognition

Finger vein recognition, also called vascular biometrics, analyses the patterns of blood vessels visible from the finger’s surface. They are as unique as fingerprints and are a cutting-edge technology that is becoming a common form of biometric verification.

The technique works by capturing images of the veins inside one’s hand or fingers by shining an infrared light on them. It also analyses the blood flow inside the veins to check whether the user is alive and real instead of a fraudster.

Hand geometry

Hand geometry biometrics is an authentication approach where the system instantly recognises the individual based on the unique geometry of their hand such as the finger length, finger width, finger thickness, palm width, and the distance between their knuckles.

This form of biometric identification has gained immense popularity over the years and is deployed extensively in business access control systems.


Biometric security solutions play a significant role in access control in modern businesses and applications. Unlike traditional methods such as passwords and access cards, biometrics use the users’ unique physical and behavioural traits to verify their identity and grant them access based on their access permissions.

Compared to other forms of access control, biometrics are much more secure and difficult to replicate, making them a great choice for enhancing overall security. Here are some of the key roles that biometric security solutions play in modern business security:

  • Accurate identity verification – biometrics such as fingerprints, facial recognition, and retina scans all offer a high level of accuracy and make employee identification and management faster and much easier.
  • Reduced unauthorised access – since biometric identifiers are unique to each user, they can be used to ensure that only authorised individuals enter restricted areas of the business.
  • Strong authentication – biometrics can be used on their own or as a multi-factor authentication system to add an extra layer of security beyond traditional authentication methods such as passwords and pin codes making it more difficult for unauthorised individuals to breach security.
  • Fraud and security breach prevention – biometric security solutions are being used all over the world to combat identity fraud and security breaches. They reduce the risk of stolen or shared credentials and not only act as a strong defence system against criminals but also provide a better user experience.
  • Workforce management – apart from access control, biometric systems are also used in modern businesses for workforce management, which includes employee identification for time and attendance and recording their working hours. This reduces manual effort on the management’s part and helps save a lot of time and resources.
  • Audit trail and accountability – biometric security solutions offer much more in terms of management and control and provide businesses with an audit trail that enhances the users’ accountability and makes it difficult to deny their actions. They can also be used for investigative purposes in case of security breaches and are particularly useful for legal proceedings.
  • User convenience – since biometric verification doesn’t require the users to remember any complex passwords or carry their access cards with them, it offers a more seamless user experience, adding to the overall productivity of the employees.
  • Remote authentication and customisation – biometric systems can easily be integrated with remote authentication which allows remote work and access to be made easier. In addition to that, they can be tailored to specific business needs and integrated with existing security infrastructure.


Biometric security solutions have become a top choice for modern businesses when it comes to protecting their sensitive data and assets and securing their operations. While these systems offer countless benefits and make access control much easier as compared to using traditional methods of authentication, they are not without challenges.

When choosing biometric security solutions for your business security, it is important to look at both sides of the coin so that you know how to combat the challenges and make full use of these advanced access control systems to secure your business.

It is very important to remember that, like any other security system, biometric systems require careful planning, implementation, and proper maintenance and updates for them to keep working as they should.


When it comes to discussing the advantages of using biometric security solutions in modern business security, the biggest one is probably the high level of security and accuracy that they provide.

Biometric identifiers such as fingerprints, iris patterns, and facial features are all unique to each individual, making it nearly impossible for imposters and unauthorised individuals to bypass the system. This makes biometric systems a great choice for businesses looking for enhanced security and access control.

Biometric systems are also incredibly fast as they do not require any passwords or pins, which users mostly tend to forget. All the users are required to do is present their unique biometrics to the system, which they always have with them since they are a part of either their physiology or behaviour. This reduces wastage of time and enhances overall efficiency.

Also, unlike traditional authenticators such as passwords and pins that can easily be shared and hacked, biometrics are highly effective in mitigating fraud, identity theft, and spoofing attempts. This ensures that only authorised individuals gain access to restricted areas of the business and it safeguards against financial losses stemming from fraudulent and criminal activities.


When it comes to the challenges faced by businesses when deploying biometric systems, the biggest one is probably the cost associated with installing and maintaining the system. Since biometric systems need specialised hardware and software, they are generally more expensive, which is why small and medium-sized businesses may find it challenging to take out the budget for them.

However, considering the advantages offered by the system and the fact that security solutions must be considered an investment rather than a cost, the pros certainly outweigh the cons in this particular matter.

Another big challenge with biometric systems is the users’ concern regarding storing their personal data and fears that it may be misused, exploited, or compromised. This issue of privacy and potential misuse is a real one, which is why businesses must take it very seriously and take all the necessary steps to protect and safeguard their employees’ privacy.

In case of the biometric database being compromised, the results may be catastrophic for the business, mostly because, unlike passwords and pin codes, biometric traits cannot be changed or reset.

Last, but not least, factors such as changes in physical appearance or injuries can have an impact on the accuracy of the system and result in false negatives or false positives. Also, certain individuals, such as those with physical disabilities or cultural restrictions, such as those covering their faces for religious reasons, may find it difficult to use the system.


Calder Security provides access control system services for homes and businesses that includes professional installation, maintenance, and repair.

We’ve been working in the security industry since 1976 and partner with only the best brands. Our MLA-approved locksmiths can advise you on the best type of system for your property by helping you assess your security needs and requirements.

Because an access control system operates the locking and unlocking mechanism of your door, installation must be completed properly by someone with detailed knowledge of how these systems work.

We are SSAIB-approved installers and can work with all types of access control systems including intercom, proximity fob, card swipe, and keypad. We also offer biometric systems that use fingerprints or retina scans.

Access control systems are very reliable and will last a long time. But like any technology, they require periodic maintenance to continue working as they should.

We conduct annual servicing to keep your system working well and give it a full check including checking the battery strength, power supply, and connections.

While generally very reliable, sometimes problems may occur with access control systems that can potentially compromise the security of your property.

Common issues include simple wear and tear or faults with the power supply or batteries, and to preserve the security of your property, you need to get the problems fixed ASAP.

We operate a 24-hour emergency service run by qualified security specialist engineers who understand access systems and can resolve issues efficiently and effectively.

Contact us here or call us at 0800 612 9799 for a quick consultation and more information on biometric security solutions and their role in modern business security!

Photo by George Prentzas on Unsplash