Biometrics Examples: The 3 Identity Checks to Know (2023)

By Tibor Moes / Updated: June 2023

Biometrics Examples: The 3 Identity Checks to Know (2023)

Biometrics Examples

Just like no two snowflakes are the same, each human is also unique, defined by special traits only they possess. In the realm of security and identification, this uniqueness is gold. Biometrics technology is like the keen observer, studying each snowflake and recognizing the singular design that sets it apart.


Biometrics is a technology that utilizes individuals’ unique physical or behavioral traits for identification and access control. These can include fingerprints, facial patterns, voice or typing cadence, among others. This technology plays a crucial role in security, providing precise, reliable, and quick verification of identities.

Example 1: Fingerprint scanning (1960s). One of the earliest uses of biometrics, fingerprint scanning has been in use by law enforcement agencies worldwide since the 1960s. Over time, this technology has become more sophisticated and has found its way into everyday devices like smartphones, tablets, and laptops.

Example 2: Facial recognition (2000s). This technology, which analyzes facial features to verify a person’s identity, has become increasingly prevalent since the early 2000s. It is used in various sectors, including security, social media, and smartphones, to provide user-friendly and secure authentication.

Example 3: Voice recognition (2010s). Voice recognition technology, growing in the late 2010s, analyzes an individual’s unique voice patterns to identify them. It is used in smart home devices like Amazon’s Alexa or Google Home, as well as in customer service platforms and mobile banking apps to authenticate user identities.

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Biometrics Examples In-Depth

Fingerprint scanning (1960s)

Imagine the world as a vast library, where every book tells a unique story, and each tale is as distinctive as a fingerprint. Quite literally, for that’s what our fingerprints are – stories inscribed into our skin, tales of individuality. When we touch something, we leave behind these tales, silently proclaiming, “I was here”.

Now, let’s time-travel back to the 1960s, when law enforcement agencies began to decode these tales. They realized that these fingerprint patterns were unique to every individual, making them the perfect tool for identifying people with precision. This marked the advent of fingerprint scanning, one of the earliest and most widespread applications of biometrics.

So, what exactly is fingerprint scanning? Think of it as a library’s checkout system, where every book – in this case, every person – has a unique barcode. When scanned, this barcode confirms the identity of the book or the person. A fingerprint scanner works similarly. It scans the ridges and valleys of your fingerprints, converts them into a digital format, and stores this information as your unique identity ‘barcode’. The next time you scan your finger, the scanner checks if the ‘barcode’ matches the stored information. If it does, voila, it’s a match, and your identity is confirmed!

The technology behind fingerprint scanning has grown leaps and bounds since the 1960s. It is now embedded into devices we use daily, transforming them into personal, secure tools. Consider your smartphone. Remember the excitement when you first set up your fingerprint and realized you could unlock your phone with just a touch? That’s the magic of biometrics!

Fingerprint scanners have revolutionized security in various sectors, including banking, healthcare, and more. They’ve transformed the way we access our devices, our apps, even our homes. Imagine – no more fumbling for keys or forgetting passwords. All you need is your finger, and the world is at your fingertips.

So, the next time you press your finger on a scanner, remember – you’re not just unlocking your phone or clocking into work. You’re partaking in a fascinating dance of technology and biology, where the unique stories of your fingerprints are recognized and celebrated. Biometrics, indeed, has made the personal universal, and the universal, incredibly personal.

Facial recognition (2000s)

magine a world where the door to your home swings open at the sight of your face, your phone comes to life when you look at it, and even the photos on your social media platforms can recognize and tag you automatically. Well, this isn’t science fiction anymore, but the present-day reality, thanks to the wonder of facial recognition technology.

But what is facial recognition? Let’s use a fun analogy. Remember the game of ‘spot the difference’ we used to play as children? We’d be presented with two seemingly identical pictures, and our job was to find the subtle differences between them. Now, what if we told you that facial recognition technology does something similar, only on a much grander, more complex scale?

Facial recognition technology started gaining momentum in the early 2000s, as computational power increased and AI systems became more sophisticated. At its core, it’s like a high-tech version of ‘spot the difference’. The system captures an image or a video of a person’s face, then breaks it down into a series of measurable landmarks, like the distance between the eyes, the width of the nose, the shape of the cheekbones, and so on. This becomes a faceprint, a unique ‘map’ of the person’s face.

Now, whenever the system encounters a face, it measures this new face’s landmarks and checks if the resulting faceprint matches any of the ones stored in its database. If there’s a match, the system confirms the identity of the person.

Over the past two decades, facial recognition technology has found applications in a wide variety of sectors. Ever tagged a friend in a photo on social media? That’s facial recognition at work. Unlocked your phone with just a glance? Facial recognition again. Passed through automated passport control at an airport? You guessed it – facial recognition!

So next time you see your face reflected on your smartphone screen, and it springs to life, remember you’re not just looking at your digital reflection. You’re interacting with a sophisticated, complex technology that ‘sees’ the unique features of your face, celebrates your individuality, and uses it to make your digital world more secure and personalized. Truly, with facial recognition, we are living in a world where technology knows us by face!

Voice recognition (2010s)

Imagine living in a world where your voice is more than just a means of communication, but a key that can unlock the digital world around you. In this world, machines can understand you when you speak to them, responding to your commands and even recognizing your unique voice. It may sound like something out of a science fiction novel, but this is the reality we’re living in today, thanks to the wonders of voice recognition technology.

To understand voice recognition, let’s take a moment to think about our voices. Just like your fingerprints and facial features, your voice is uniquely yours, with its specific tone, pitch, accent, and rhythm. And just as a maestro can distinguish each instrument in an orchestra, voice recognition technology can discern the unique ‘symphony’ of your voice amidst a cacophony of sounds.

Voice recognition technology started making waves in the late 2010s, with the advent of smart home devices like Amazon’s Alexa and Google Home. The principle behind it is as fascinating as it is complex. Essentially, the technology ‘listens’ to your voice and breaks it down into a series of distinct, measurable units of sound. These units are then converted into a digital format to create a unique ‘voiceprint’ – think of it as the acoustic equivalent of a fingerprint.

Whenever you speak to a voice recognition device, it analyses the sound, matches the voiceprint to those in its database, and if there’s a match, it verifies your identity. And that’s not all – the technology is also designed to understand and respond to your commands. This means you can control your devices, search the internet, and even make purchases, all with your voice!

The applications of voice recognition technology have exploded in recent years. It’s now used not only in smart home devices but also in customer service platforms, mobile banking apps, and even in vehicles. With this technology, a simple voice command can turn on your lights, check your bank balance, or set your car’s navigation system.

So, next time you talk to your smart device and it responds, take a moment to appreciate the technological marvel at work. You’re not just speaking to a machine – you’re interacting with a sophisticated system that recognizes and understands your unique ‘voice symphony’. With voice recognition, your voice truly has the power to command the digital world.


As we stand on the threshold of a future molded by technology, the science fiction of yesteryears has seamlessly blended into our everyday reality. Biometrics, a field that marries biology and technology, has ushered in an era where our unique biological traits – our fingerprints, our faces, and our voices – serve as keys to unlock the digital world. We’ve journeyed through the evolution of biometrics, witnessing its transformative power from law enforcement in the 1960s to everyday devices in the present. The stories etched in our skin, the uniqueness of our faces, and the symphony of our voices are now celebrated and recognized by the machines around us. As we step into the future, it’s exciting to envision what other chapters biometrics will add to this ongoing story of human and technology.

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Frequently Asked Questions

Below are the most frequently asked questions.

Is biometric data always accurate?

While biometric systems are highly accurate, they are not infallible. Factors like poor quality inputs (blurry images, low-quality voice recordings, etc.), changes in a person’s physical traits (such as weight gain or loss affecting facial recognition, or voice changes due to illness), and system errors can affect accuracy. However, ongoing technological advancements continue to improve the precision of biometric systems.

Are biometrics secure?

Biometric data is inherently more secure than traditional identification methods like passwords or ID cards, which can be forgotten, lost, or stolen. However, like any form of data, biometric information can also be vulnerable to breaches if not properly secured. It’s crucial for companies using biometric data to adopt robust security measures to protect this sensitive information.

What is the future of biometrics?

The future of biometrics is likely to see more widespread use and integration into our daily lives, from personalized advertising based on facial recognition to voice-activated appliances in our homes. Moreover, advancements in technology may lead to the development of new biometric methods, such as recognition based on unique patterns in the iris or even DNA sequencing.

Author: Tibor Moes

Author: Tibor Moes

Founder & Chief Editor at SoftwareLab

Tibor is a Dutch engineer and entrepreneur. He has tested security software since 2014.

Over the years, he has tested most of the best antivirus software for Windows, Mac, Android, and iOS, as well as many VPN providers.

He uses Norton to protect his devices, CyberGhost for his privacy, and Dashlane for his passwords.

This website is hosted on a Digital Ocean server via Cloudways and is built with DIVI on WordPress.

You can find him on LinkedIn or contact him here.

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