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What is Browser Fingerprinting?

Published: November 26, 2024 by Theresa Nguyen

The digital domain is rife with opportunities, but it also brings substantial risks, especially for organizations. Among the innovative tools that have risen to prominence for fraud detection and online security is browser fingerprinting. Whether you’re looking to minimize security gaps or bolster your fraud prevention strategy, understanding how this technology works can provide a significant advantage in today’s ever-evolving fraud and identity landscape.

This article explores the concept, functionality, and applications of browser fingerprinting while also examining its benefits and relevance for organizations.

How does browser fingerprinting work?

Browser fingerprinting is a powerful technology designed to collect unique identifying information about a user’s web browser and device. By compiling data points such as browser type, operating system, time zone, and installed plugins, browser fingerprinting creates a distinct profile — or “fingerprint”— that allows websites to recognize returning users without relying on cookies.

Here’s a breakdown of its key steps:

  • Data collection: When a user visits a website, their browser sends information, such as user-agent strings or metadata, to the website’s servers. This data provides insights about their browser, device, and system.
  • Fingerprint creation: The collected information is processed to generate a unique ID or fingerprint, representing the user’s specific configuration.
  • Tracking and analyzing: These fingerprints enable websites to track and analyze user behavior, detect anomalies, and identify users without relying on traditional tracking mechanisms like cookies.

For organizations, employing technology that leverages such fingerprints adds an additional layer to identity verification, detecting discrepancies that may indicate fraud attempts.

What are the different techniques?

Not all browser fingerprinting methods are identical; varying approaches offer different strengths. The most common techniques used today include:

  • Canvas fingerprinting: This method utilizes the “Canvas” element in HTML5. When a website sends a command to draw a hidden image on a user’s device, the way the image is rendered reveals unique characteristics about the device’s graphics hardware and software.
  • Font fingerprinting: Font fingerprinting involves analyzing the fonts installed on a user’s system. Since computers and browsers render text in slightly different ways based on their configurations, the resulting variations aid in identifying users.
  • Plugin enumeration: Browsers and devices often come equipped with plugins or extensions like Flash or Java. Analyzing which plugins are installed, their versions, and their order helps websites build unique fingerprints.

What are the benefits of browser fingerprinting?

For organizations, browser fingerprinting is not just a technical marvel — it’s a strategic asset. Benefits include:

  • Enhanced fraud detection: Browser fingerprinting detects inconsistencies within user accounts, flagging unauthorized logins, synthetic identity fraud, or account takeover fraud without introducing significant friction for legitimate users. By identifying patterns that deviate from the norm, organizations can better prepare for malicious activities.

Learn more about addressing account takeover fraud.

  • Supports multi-layered security: A single security measure often isn’t enough to combat advanced fraudulent schemes. Browser fingerprinting pairs seamlessly with other fraud management tools, such as behavioral analytics and risk-based authentication, to provide robust security.

See how behavioral analytics can help organizations spot and stop next-generation fraud bots.

  • Seamless user experience: Unlike cookies or authentication codes, browser fingerprinting operates passively in the background. Users remain unaware of the process, ensuring their experience is unaffected while still maintaining security.

Level up with Experian’s fraud prevention tools

Browser fingerprinting offers organizations a game-changing tool to secure online interactions. However, given the growing complexity of fraud threats, organizations will need additional layers of insights and protection. Experian offers integrated, AI-driven fraud prevention solutions tailor-made to tackle challenges in the digital space. By leveraging advanced technologies like browser fingerprinting alongside Experian’s solutions, organizations can safeguard their operations and uphold customer trust while maintaining a frictionless user experience.

Learn more about our fraud prevention solutions

This article includes content created by an AI language model and is intended to provide general information.

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