Fingerprint scanning is a common phenomenon. Fingerprint technology is now on your personal computers/laptops, phones, tablets, door locks, and even on cars. Regardless of the widespread deployment of fingerprint biometrics, the underlying technology is still confusing for a layman. Despite the extensive use of fingerprint recognition technology in all different kinds of applications, most people do not quite understand how they work, even those who use them on a daily basis.
Fingerprint Scanner for your PC / Laptop / MAC / Windows 10
FBI PIV Certified
Bayometric offers a variety of FBI-certified fingerprint reader, smart card reader, and embedded module.
Secure Web Fingerprint Transmission Plus Enrollment (SWFT+) compatible with ten print live scanner.
Windows Hello compatible fingerprint scanner for quick and secure login to Windows 10 without a password.
SecuGen Hamster Pro (HUPx)
Rugged sensor surface
IP54 rated ingress protection pairs with the industry’s most rugged optical sensor. Ready to take up any challenge.
Installs within minutes. Bid farewell to insecure and complex passwords with highly cost-effective biometric security.
SecuGen Hamster Plus (HSDU03P)
Windows hello login
Seamlessly integrates with your Windows PC and virtually plug and play with Windows 10. Say hello to biometric security.
Durable fingerprint device
Your passwords may expire but Hamster Plus will not! Hamster Plus’s durability stems from its unbreakable sensor prism.
Nitgen Fingkey Hamster I DX
Rugged fingerprint device
High endurance against scratches, chemical corrosion, ESD, and physical impacts enhances Hamster I DX’s durability.
Advanced optical technology
Nitgen Hamster I DX can work in challenging conditions and difficult-to-scan scenarios without compromising quality.
Nitgen Fingkey Hamster II
Top-notch fingerprint technology
Being a Nitgen fingerprint scanner, Fingkey Hamster II comes equipped with the world’s best-performing fingerprint algorithm.
Cost effective fingerprint device
Despite offering premium features, Fingkey Hamster II is not expensive at all and comes with an affordable price tag.
Integrated Biometrics Curve
Dual sensing mechanism
A dual-sensing mechanism with capacitive + optical sensors gives IB Curve an edge over competition in fingerprint scanning.
Curved fingerprint sensing area
Unlike flat fingerprint sensors, IB Curve’s curved sensing surface covers a larger skin area for undistorted finger scan.
Nitgen Fingkey Hamster III
Immune to spoofing
Fingkey Hamster III incorporates Live Finger Detection (LFD) technology, rendering it immune to spoofing.
Durable biometric device
Nitgen Fingkey Hamster III comes with a highly durable scratch-free sensor surface, which ensures device longevity.
Suprema BioMini Plus 2
FBI certified scanner
BioMini Plus 2 image quality complies with FIPS-201 (PIV), FBI Mobile ID FAP 10, ANSI- 378, and UIDAI STQC requirements.
Rugged fingerprint reader
IP65 rated ingress protection makes BioMini Plus 2 immune to liquid damages and dust, rendering it a highly durable device.
Better than swipe fingerprints
Verifi P5100 offers better performance over swipe fingerprint scanners, which are commonly found in laptops and PCs.
Superior fingerprint image quality
P5100’s Enhanced Image Mode captures extraordinary fingerprint images at 508 dpi with 8-bit (256 levels) greyscale.
Lumidigm M311 (M31x)
Lumidigm M311 can dramatically scan even out of coverage fingerprints that are deemed unreadable by other scanners.
Multispectral fingerprint imaging
Lumidigm M311 comes equipped with multispectral imaging technology, which enhances security and coverage.
Lumidigm M301 (M30x)
Cost effective biometric device
Despite the industry-leading fingerprint imaging and liveness detection, Lumidigm M301 is priced reasonably.
Durable fingerprint reader
It is rated IP65 for ingress protection at platen, which ensures that it can withstand liquid spills and dust.
Lumidigm V311 (V31x)
Deep fingerprint imaging
Lumidigm’s fingerprints sensors capture high-quality images reading the surface and sub-surface fingerprints at the same time.
Consistent fingerprinting performance
No matter how challenging environmental conditions are, V311 can scan accurate fingerprint images consistently.
Lumidigm V302 (V30x)
SWFT+ compatible scanner
Lumidigm Venus Series V302 scanner can be used for Secure Web Fingerprint Transmission Plus (SWFT+) enrollments.
Wide operating range
Lumidigm V302 can operate from very low to high temperature, varying humidity levels, and lighting conditions.
SecuGen Hamster Pro 20 (HU20)
Highly durable biometric device
Hamster Pro 20 comes equipped with scratch, impact, corrosion, and electrostatic shock-resistant glass platen.
Highly accurate fingerprinting
Hamster Pro 20 is extremely accurate due to its patented optic design that results in fingerprint images free from distortion.
SecuGen Hamster Pro 10 (HU10)
FBI PIV and Mobile ID FAP 10
Hamster Pro 10 is an FBI-certified USB scanner conforming to PIV and Mobile ID FAP 10 image quality requirements.
Hamster Pro 10 stays unaffected by environmental factors such as extreme temperature, humidity, impacts, etc.
SecuGen Hamster IV (HSDU04P)
SecuGen Hamster IV is powered by Auto-On™ technology. It automatically turns on when a finger is placed.
Smart Capture™ allows Hamster IV to capture high-quality fingerprint images from dry, moist, aged, and scarred fingers.
Suprema BioMini Slim 2
Suprema BioMini Slim 2 is an FBI certified USB fingerprint scanner, certified by FBI PIV and FBI Mobile ID FAP 20 IQR.
Suprema BioMini Slim 2 comes loaded with superior protection against fake fingerprint attacks with spoofs and replicas.
Integrated Biometrics Columbo
Compact fingerprint scanner
IB Columbo is the world’s smallest and lightest FBI-certified scanner that produces the highest quality fingerprint images.
Low maintenance scanner
IB Columbo can withstand the toughest operating environments with minimal maintenance.
SecuGen Unity 20 Bluetooth (HU20-ASF-BT)
Wireless fingerprint device
SecuGen Unity portable Bluetooth scanner uses Bluetooth to send and receive data. It can be used with Apple (IOS), Android, and Windows devices.
Highly durable fingerprint reader
SecuGen Unity can withstand dusty environments and accidental liquid spills due to IP65 rated sealed housing.
Integrated Biometrics Watson Mini
Compact fingerprint reader
IB Watson mini is an ergonomically designed compact fingerprint scanner, which can fit in any application.
Tamper-proof fingerprint security
IB Watson Mini is featured in a tamper-proof design and renders unusable if someone tries to temper it.
IP54 ingress protection
Suprema RealScan G1comes with IP54 rated dust and waterproof sealed construction and can survive dust and liquid spills.
RealScan G1 is also compatible with SWFT+ (Secure Web Fingerprint Transmission Plus) DoD enrollments.
Integrated Biometrics Sherlock
Versatile fingerprint reader
Sherlock enables 1-, 2-, and 10-finger enrollment and verification in a variety of mobile applications.
Easy to integrate
IB Sherlock offers extraordinary flexibility to integration with third-party products and applications.
Suprema BioMini Slim 2S
High-end fingerprint hardware
BioMini Slim 2S is equipped with a powerful 1.0 GHz CPU to perform on-device fingerprint extraction and matching.
Multi Dynamic Range technology
Multi Dynamic Range (MDR) tech helps capture high quality fingerprints even in harsh ambient lighting.
Nitgen eNBioScan-D Plus
Versatile fingerprint device
eNBioScan-D Plus can capture dual flat fingerprints as well as single flat and rolled prints, expanding its usability and scope.
eNBioScan-D’s Auto-on functionality can automatically detect a finger as soon as placed on the sensor.
Advanced rolled image construction technology
It comes equipped with Advanced Rolled Image Construction technology that produces flawless rolled fingerprint images.
Extra wide fingerprint scanning area
RealScan-D features an extra-wide platen, which is the largest platen size (48×48 mm/1.9”x1.9”) in its class.
Integrated Biometrics Kojak
Ideal for background check
Light Emitting Sensor (LES) film technology allows Kojak to capture fingerprints from dry, moist, and dirty fingers making it an ideal scanner for FBI Background check applications for gun stores, etc.
Immune to spoofs and latent prints
Integrated Biometrics Kojak’s LES film-based sensor does not respond to spoofs. It also rules out residual latent prints.
Suprema RealScan G10
Live Scan fingerprinting
RealScan-G10 features Suprema’s proprietary technology to capture flawless flat and rolled fingerprint images making it an ideal choice for live scan applications like FBI Background checks.
Fast fingerprint processing
It comes equipped with a modern CPU that offers processing power up to 400 MHz, ensuring faster processing.
SecuGen iD-USB SC/PIV
FBI certified reader
SecuGen iD USB SC/PIV is an FBI Certified (PIV, FIPS 201, Mobile ID FAP 10 Compliant) fingerprint reader.
Smart Capture enables iD USB SC/PIV’s to capture fingerprints from imperfect and difficult to scan finger surfaces.
Hamster Pro Duo SC/PIV
Maintenance free biometric device
Hamster Pro Duo SC/PIV’s optical fingerprint sensor is resistant to scratches, impact, vibration, and electrostatic shock.
It is also equipped with Smart Capture technology for high-quality fingerprint scanning of difficult fingers.
SecuGen ID USB SC
ID USB SC’s Auto-On™ keeps the device stand-by and instantly turns it on when a finger is placed on the sensor.
Smart capture, enables ID USB SC to capture fingerprints from hard-to-scan (such as dry, wet, scarred, etc.) fingers.
SecuGen Hamster Pro Duo CL
USB fingerprint scanner
Hamster Pro Duo CL can be connected via its USB connector and does not need an additional power supply.
Sleek and ergonomic design
Hamster Pro Duo CL’s sleek and ergonomic design makes placing and scanning any finger incredibly easy.
Serial cable connectivity
SecuGen iD-Serial can connect to your application using a serial cable to use it as a serial card reader.
Patented fingerprint technologies
iD-Serial uses SecuGen’s highly efficient patented technologies that enable the scanner to offer superior performance.
Suprema BioMini Combo
It can be equally deployed in general identification/authentication as well as high security federal and FBI applications.
Advanced Live Finger Detection (LFD) technology
LFD Technology allows BioMini Combo to weed out the possibility of fake fingerprint and presentation attacks.
HID Lumidigm M211
Multispectral imaging: scan underneath the skin
Multispectral imaging is HID Lumidigm’s patented technology that makes use of multiple wavelengths of light to capture surface and sub-surface images of a fingerprint.
Immune to environmental challenges
HID Lumidigm M211’s superior fingerprint scanning capabilities can not only address finger skin conditions but also extend to environmental conditions.
Easy to integrate
SecuGen SDU03P OEM module can be easily integrated with a variety of applications using SecuGen SDKs.
Highly efficient fingerprint module
SDU03P uses SecuGen’s highly efficient fingerprint optic module, built on time-tested, patented fingerprint technology.
Portable and compact fingerprint sensor
SecuGen SDU04P weighs only 32 grams, making it a suitable choice for portability and compactness-oriented applications.
SDU04Pcomes equipped with SecuGen’s homegrown proprietary technologies that are found in its flagship products.
Lumidigm M310 (M31x)
Immune to fingerprint spoofing
Liveness detection is extremely crucial for security and Lumidigm M310 makes no compromises at that front.
Weather and skin conditions do not affect the performance of Lumidigm M310, thanks to the multispectral tech.
Lumidigm M300 (M30x)
Enhances fingerprint coverage
Lumidigm M300 can capture fingerprints from dirty, aged, dry, wet, moist, or incorrectly placed fingers.
Next level spoof detection
Spoofs cannot respond to multispectral imaging the way a live finger does, so M300 can quickly spot spoofs.
Lumidigm V310 (V31x)
All-rounder fingerprinting device
Lumidigm V310 can capture fingerprint images from hard-to-scan fingers and requires minimal maintenance.
Deep skin scanning
Lumidigm V310 can scan fingerprints even if surface features (friction ridges) are worn off, damaged or absent.
Lumidigm V300 (V30x)
Flexible output options
Lumidigm V300 can be configured to provide different outputs (Match score, fingerprint image, or template).
High performance image capture
Multispectral tech eliminates failure to enroll (FTE) and failure to acquire (FTA) scenarios dramatically.
Frequently asked questions about biometric fingerprint scanners
There are many misconceptions, curiosity, and doubts about biometric fingerprint technology. And that is in the times when most people cannot spend the day without using the technology (Yes, we are talking about unlocking your phone with a fingerprint).
The way information and communication technology is growing and affecting every facet of life is about to take over your daily routine and accomplish tasks for you.
These futuristic approaches will require a robust and integrated authentication strategy, which should offer the perfect balance of security and convenience. Fingerprint technology has been able to offer that balance in a highly cost-effective way. No wonder, biometric fingerprint is going to play a major role in the future of authentication in information and communication technology.
In this section, we have listed frequently asked questions (FAQs) asked by recent adopters as well as existing users of fingerprint technology. It includes operational aspects of the biometric fingerprint scanners as well as technical terms that you may come across while selecting or using a fingerprint solution.
Once you understand how fingerprint technology on your phone, computer, or office scanners works, it will not only change your perspective but also improve your confidence in the technology.
All types of biometric fingerprint scanners, regardless of the type and technology used, work by capturing a fingerprint image, extracting unique features, and comparing them with an already registered template. Fingerprint biometric devices may leverage different sensing technologies to capture the image. For example, optical fingerprint scanners make use of visible light to capture fingerprint images with a digital camera. Capacitive fingerprint scanners, on the other hand, use a grid of tiny capacitors to capture the ridge pattern image.
More security-oriented implementations may use ultrasonic sound waves as a sensing mechanism in which, sound waves are projected on the finger skin and the reflected waves are detected to create a fingerprint image. Reflected ultrasonic waves from ridges have a slight difference from reflected waves from valleys. Despite the fundamental differences in the sensing approaches, the main objective of a fingerprint scanner is to acquire a fingerprint image and provide it for enrollment or matching, as the case is.
Different fingerprint solutions may leverage different approaches to store fingerprints. However, regardless of the approach, fingerprints are stored in a secure encrypted format, which is virtually impossible to reverse engineer, i.e. to create the original pattern of the fingerprints used for establishing the identity and generating the template.
Standalone biometric fingerprint solutions serving a specific purpose (fingerprint scanner embedded such as fingerprint-based employee time & attendance systems, access control systems, fingerprint locks, etc.) generally come with inbuilt storage capacity. This storage capacity generally ranges from a few hundred to a few thousand fingerprints. Large-scale identification systems such as AFIS can store billions of fingerprints in storage servers.
When a matching request is generated, the system acquires a fresh sample from the user and sends it to the matching algorithm to compare if the sample matches with what is on record. If the sample matches the stored template, access is granted otherwise it is denied.
Before making any biometric fingerprint solutions work for you, you need to enroll the target users on the systems so that it recognizes their fingerprints whenever they need to perform identification/authentication. In the process of enrollment, user fingerprints are scanned to create a template, which is stored in the system.
This stored template is invoked and compared whenever the user performs verification. Verification is the process of comparing the newly acquired sample with the stored one to verify an identity claim from the user.
Though our fingerprints are unique, they do not carry any demographic information such as name, age, employee ID, social security number, etc. So during the enrollment process, the user fingerprint captured is linked with the user demographics. For example, your employer enrolling you on an employee time & attendance system may associate your fingerprints with your employee ID.
DNA and fingerprints are entirely different biometric identification approaches. One requires imaging, which can be done with a simple digital camera-based scanner, the other requires physical samples to be taken through DNA analysis techniques to match with other DNA profiles. Both the modalities are used in many applications, however, forensic investigation is a common application in which both the modalities are extensively used.
DNA is considered to be a highly accurate biometric modality as each individual’s DNA profile is different, which can be used to uniquely identify him/her. Though DNA is extremely accurate, its samples are more prone to contamination, especially in forensic applications, where they can mix with another person’s sample or other material.
While DNA profiling is extremely accurate to tell people apart, fingerprint recognition offers a more practical approach in day-to-day biometric applications such as time & attendance, access control, authentication, etc.
Latent fingerprints, as the name suggests, are the fingerprints that can be present (on a surface), but not yet very noticeable. When you touch a surface with bare hands, the natural oil and sweat present on the skin surface leave an impression of friction ridges on the surface touched and that is how latent prints are created.
During a crime scene investigation, forensic experts look for latent prints on different surfaces where suspects might have touched.
Some latent print may become visible by applying simple methods such as casting light on the surface from different angles. Latent prints found on shiny surfaces such as glass, metals, etc. can be made visible using this method. Some latent fingerprints may require specific latent fingerprint development techniques to make them visible. Latent fingerprints present on the porous surface may require more sophisticated techniques to make them visible.
Fingerprints may seem extremely complex to a layman, however, the reality is that there are only a few fingerprint pattern types. They are categorized into three basic categories: arches, loops, and whorls.
Loops are the most common fingerprint pattern. This fingerprint pattern can be found in almost 60 to 70% of the sampled fingerprints. In this pattern, friction ridges make a backward turn in loops but they do not twist.
Whorls are less common than Loops and are found in approximately 25 to 35% of cases. Some of the ridges in a whorl make a turn through at least one circuit. Therefore any pattern that contains two or more deltas will be a whorl.
Arches are the least common fingerprint pattern and can be found in approximately 5% of cases. In this pattern, friction ridges run continuously from one side of the finger to the other without making any backward turn.
Growing numbers of biometric deployment in different applications make it extremely crucial that these systems are able to uphold performance and user expectations.
Before hitting the market, fingerprint solutions as well as other biometric systems go through rigorous testing and performance evaluation. This performance evaluation is done to ascertain that any performance deviations can be found and fixed.
To measure the performance of a biometric system, solution, or application; performance metrics are commonly used by manufacturers and equipment testers. Different metrics can be used for this purpose. The most common performance metrics are the FAR (false acceptance rate) and the FRR (false rejection rate).
FAR is the number of incidents (generally expressed in percentage) in which a biometric system will fallaciously grant access to an unauthorized individual. On the other hand, FRR is the number of incidents in which a biometric system will fallaciously deny access to an authorized person.
Modality-wise, biometric fingerprint solutions unarguably offer the widest range of devices and stand-alone systems. There are plug-and-play USB fingerprint scanners to highly sophisticated (and expensive) 10-print scanners. The size of fingerprint readers also ranges from tiny mobile and payment card readers to large ten fingerprint scanners. However, it is not just the size of the fingerprint devices that offer this kind of range.
The price of fingerprint scanners also varies greatly as per scanner type, application and specifications. You can grab a basic USB fingerprint scanner to enable biometric login for your computer for as low as $20. On the higher side price can go up to $2000 or more. At the higher end of the price range, there are usually certified 10-print scanners and scanners for specific applications.
There are three types of fingerprint patterns: Loops, Whorls, and Arches. This basic level of categorization was done by Edward Henry in the early days of fingerprinting. Today, however, these three basic fingerprint patterns have been further divided into sub-types such as Plain Arch, Tented Arch, Radial Loops, Ulnar Loops, Double Loop, Plain Whorl, Central Pocket Loop Whorl, and Accidental Whorl. While fingerprint patterns are important for identification, there are also more detailed features called minutiae points.
A fingerprint pattern contains minutiae points, core points, ridges, valleys, local features, and global features. Ridges are represented by black lines while valleys are seen as white lines in a typical fingerprint image. The core point is the central area of a fingerprint image, while minutiae points are seen as small lines.
There are mainly eight types of minutiae points in a fingerprint image which are:
- Ridge ending
Different features of a fingerprint can be used while establishing the identity of an individual and performing identification/authentication. A biometric fingerprint solution may use an algorithm that makes use of the particular fingerprint features.
Transform-based algorithms typically use two-dimensional Fourier Transforms and Howe Transforms applied to the pixel array representing the fingerprint. The idea is to mathematically transform the image in some way and then compare the coefficients of the transformed images.
Correlation-based methods take into account that fingerprints and their representative matrices obtained from a fingerprint device cannot simply be superimposed due to all the differences.
The matching of two fingerprint images based on numbering, based on the numbering of minutiae and bifurcation points. Minutia-based methods tend to emulate what forensic experts do.
Today, fingerprint technology-based identification and authentication are used in a variety of applications across different industry types, businesses, government outfits, and institutions. From low-security applications to high-security applications such as financial services, banking, and government security, biometric fingerprint solutions have been accepted as reliable methods of personal identification, authentication, and access control.
In law enforcement applications, fingerprint-based identification of criminals and suspects has been accepted as reliable proof for more than a century. Now when the process of fingerprint identification has been automated with fingerprint solutions, there is no room for human errors. It has resulted in more reliability in biometric fingerprint scanners.
Password or similar user authentication methods such as PINs, security questions, codes, etc. are based on secret information that is only known to the authorized user. In most cases, users are allowed to create their own passwords, for example, while creating online accounts. However, if passwords, PINs, etc. are simple enough, they can be prone to unauthorized access and hacking attempts with simple guesswork.
Today, most systems require minimum password complexity with numbers and special characters. This enhances security but renders passwords hard to remember. Fingerprint-based user authentication eliminates these issues. The fingerprint is like a complex secret code engraved on your finger and is extremely hard to replicate by others. So yes, the fingerprint is safer than a password.
When you choose to deploy biometric security for your use case, there are several modalities to choose from. If you choose a fingerprint scanner to be your preferred modality, then comes the question: which fingerprint scanner is the best. The answer to this question, however, can be subjective.
The suitability of a fingerprint scanner depends entirely on your use case. For example, if you want to set up a small business with FBI background verification services, it would require an FBI-certified scanner and no ordinary scanner will work in this case. If you just want to secure your home PC, a USB fingerprint scanner would be enough.
Once you have identified the category of the fingerprint scanner (e.g. USB fingerprint scanner, dual finger scanner, ten-print scanner, etc.), it would be wise to go for well-known brands, which offer competitive products and technologies. The best fingerprint scanner for your use case would offer the perfect balance of features, specifications, and your budget.
There can be several reasons why your fingerprints can’t be read by a fingerprint device. The scanner platen (sensor surface) or your finger may be dirty. In that case, cleaning the sensor surface and/or your finger will make it work. If the scanner is not able to read the fingerprints of any user, there might be a problem with the scanner. If cleaning does not work, try switching it off and on. If it still does not work, it may be time to call your vendor.
If this problem occurs during the enrollment and the scanner is able to read other users’ fingerprints, but not yours, there are chances that your fingerprint may be in unusable condition. Try removing any dirt, access oil, dampness from finger skin, and try again. If your friction ridges are worn off beyond a level, your fingerprint scanner may not be able to read them.
Using sanitizer is a good idea before and after using a fingerprint scanner from a hygiene point of view. After the Covid-19 pandemic, it has become more crucial to sanitize hands while using a fingerprinting device, if it is shared by many users. Using sanitizer to disinfect your scanner does not affect its performance, however, you have to make sure that you only use a recommended sanitizer.
Alcohol-based sanitizers might affect the moisture level of your finger skin, which in turn may have a slight impact on the performance of your recognition system. However, there is not going to be any dramatic difference in performance as finger skin re-moisturizes itself fairly quickly. It also depends on the type of sensing technology used in your scanner.
If you see noticeable performance hiccups after using alcohol-based sanitizers, you may switch to non-alcohol-based sanitizers.
Can fingerprint scanners be fooled? This question does not have an answer in clear yes or no. However, it is extremely hard to cheat a fingerprint scanner, especially when it makes use of modern liveness detection and anti-spoofing techniques.
Experts and ethical hackers have demonstrated fooling fingerprint scanners, face recognition systems, etc. on phones and computers. However, as the technology advances, manufacturers have started leveraging advanced anti-spoofing methods, which are extremely hard to circumvent. A cheap entry-level fingerprint might be vulnerable to spoofing, however, most fingerprint scanners with anti-spoofing will make spoofing attempts futile.
In the recorded history of fingerprint matching, no two fingerprints have been found to be the same and the same is also true for twins. Each finger of the human hand carries a different fingerprint pattern. Even identical twins do not have the same fingerprints.
Fingerprints are formed during the embryonic development of human beings and they are believed to be fully developed during the sixth month. Friction ridges are developed due to the pressure and friction on the baby’s fingers when the embryo develops in the womb.
Fingerprints, once formed, are permanent and do not change with age. After the birth, the size of the palms and fingers grows bigger as the baby grows, however, the fingerprint pattern remains the same. Fingerprints may wear off due to age, disease, or friction, however, they never change for a person throughout life.
Retention of biometric information including fingerprints by police depends on the reason for recording and what the law says about it. In civil applications such as background checks for employment, licensing, etc., there are defined laws on how the agencies should handle fingerprints and other biometric information provided to them.
In the Request for Live Scan Service form, the FBI clearly states: “The FBI may retain your fingerprints and associated information/biometrics in NGI after the completion of this application and, while retained, your fingerprints may continue to be compared against other fingerprints submitted to or retained by NGI.”
It means police may (or may not) keep your fingerprints on record for non-criminal applications. However, if you have been convicted of an offense, police can keep your fingerprints on record indefinitely or as prescribed by local/national law.
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