Recently, Apple cautioned users about advanced tracking methods used across the web, including something called ‘device fingerprinting.’ While the warning sparked attention, the bigger issue goes beyond any one company or browser.
Device fingerprinting is a widely used tracking technique that affects nearly everyone who uses the internet, often without them realising it. To understand why this matters, it helps to first understand how fingerprinting works and why it’s difficult to escape. What is device fingerprinting, really? Device fingerprinting is a technique that allows websites to recognise a device without storing anything on it. Unlike cookies, which save small files on your phone or laptop, fingerprinting works by observing your device. Every device interacts with the internet slightly differently. These differences, when combined, can form a digital identity that is often unique. This identity, or “fingerprint,” can be reused every time you visit a website, even if: The kind of data used to create a fingerprint Fingerprinting doesn’t rely on one single detail. It works by combining many small signals, including:
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How websites collect this information Fingerprinting happens quietly in the background. When a webpage loads, it can run small pieces of code that: These checks happen in milliseconds and don’t interrupt the user. No pop-up appears, and no permission is requested. This is why fingerprinting is often described as ‘passive tracking.’ Where fingerprinting exists on your device There is no “fingerprinting app” installed on your phone. Instead, it exists: Because nothing is stored locally, there’s nothing for users to delete later. Why fingerprinting is replacing cookies Cookies have become harder to use due to: Fingerprinting offers advertisers and websites: That makes it attractive — and controversial. Also read: TIME Magazine names Musk, 7 others as ‘Architects of AI’, here’s list of others who also featured
How fingerprinting affects everyday users For most people, fingerprinting doesn’t feel dramatic. But its effects add up over time. It can: This data is often used to decide: Is device fingerprinting illegal? In many regions, fingerprinting exists in a legal grey area. Because it doesn’t store data on the device, it can bypass rules written specifically for cookies. Some regulators argue that fingerprinting should require explicit consent, while others are still catching up technologically. For now, its use continues largely unchecked. Can fingerprinting be used for good? Yes. Not all fingerprinting is harmful. Legitimate uses include: The problem is lack of transparency, not the technology itself. Also read: What ‘5201314’ mean, India’s most-searched terms on Google in 2025?
What actually helps reduce fingerprinting While you can’t eliminate fingerprinting entirely, you can reduce its effectiveness. Helpful steps include: These steps don’t stop fingerprinting; they make it less precise. What doesn’t fully protect you? Common myths include: Fingerprinting is designed to work around these measures. Also read: Google launches ‘AI Plus subscription’ in India at just ₹199, you will get 200 GB of storage
Why fingerprinting matters more in 2025 As the internet moves away from cookies, fingerprinting is becoming a core identification tool. That means: Device fingerprinting isn’t a scandal, a hack, or a conspiracy. It’s a quiet technical shift in how the web recognises users. The real issue is not fear, but visibility and choice. As tracking methods evolve, users deserve to know how they work and what trade-offs they involve.
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