Liveness verification for fingerprint authentication

Arunalatha G

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Paperback

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English

Self Publisher
05 November 2023

Pre-clinical medicine: basic sciences; Biotechnology; Other manufacturing technologies; Robotics

Summary
Details

Liveness verification for fingerprint authentication is a crucial component in biometric security systems, designed to ensure the authenticity of a fingerprint during the authentication process. Fingerprint recognition has become a widely used biometric method due to its uniqueness and reliability. However, it is not immune to spoofing attempts where an attacker tries to present an artificial or replicated fingerprint to gain unauthorized access. Liveness verification is the solution to this vulnerability, adding an extra layer of security by distinguishing between live and fake fingerprints. The fundamental principle of liveness verification is to ascertain the vitality of the presented fingerprint. It seeks to confirm that the fingerprint being scanned belongs to a living and present individual and not a lifeless or copied representation. This is typically done through various methods and technologies that evaluate different physiological and behavioral attributes associated with a living person. One of the most common techniques used for liveness verification in fingerprint authentication is the detection of blood flow or pulsation. Living fingers exhibit microcirculatory patterns and pulsatile movements due to blood circulation, which can be detected by specialized sensors. This method is effective because it is challenging for an attacker to replicate these physiological processes accurately. Another approach involves analyzing the fingerprint's temperature. Live fingers have a slightly higher temperature than inanimate materials, and this temperature difference can be detected using temperature sensors. By assessing the heat signature of the finger, the system can determine whether the fingerprint is from a living person or a fabricated source.

Furthermore, liveness verification can also rely on behavioral aspects, such as assessing the user's interaction with the fingerprint sensor. For instance, sensors can detect the slight pressure and movement applied by a live finger during scanning, which is difficult to mimic with artificial materials. Additionally, technologies like capacitive sensors can assess the electrical properties of the skin, differentiating between real skin and synthetic materials. Machine learning and artificial intelligence play a significant role in enhancing liveness verification. These technologies can continuously learn and adapt to new types of spoofing attacks, making the system more robust and reliable over time. They can detect irregularities in the presented fingerprint data, such as unnatural patterns, and trigger alerts or authentication failures if something appears amiss. Liveness verification is not only crucial for security but also for user convenience. It ensures that genuine users can access their systems quickly and without hassle, as it minimizes false rejections. When implemented effectively, it strikes a balance between security and user experience. Moreover, liveness verification has various real-world applications. It is commonly used in mobile devices for fingerprint-based authentication, making it difficult for attackers to gain unauthorized access to smartphones and other gadgets. In financial services, liveness verification is essential for secure transactions and identity verification. In border control and law enforcement, it aids in ensuring the integrity of biometric data during identification processes. As technology evolves, so do the methods used for liveness verification. New approaches, such as 3D fingerprint imaging and multi-modal biometrics (combining fingerprint data with other biometric factors like facial recognition), are emerging to enhance security further.

By: Arunalatha G
Imprint: Self Publisher
Dimensions: Height: 229mm, Width: 152mm, Spine: 11mm
Weight: 272g
ISBN: 9798889954460
Pages: 198
Publication Date: 05 November 2023
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Active