Discover How Your Browser Could Be Spying on You!!

Anshika SharmaAnshika Sharma
2 min read

Think incognito mode makes you anonymous? Your browser is broadcasting a unique "fingerprint" that tracks you across every website, even when cookies are disabled. This invisible surveillance is scarier than anything you've deleted.

Here's how:

👁️ Browser fingerprinting = digital DNA

Websites secretly collect 20+ data points: your screen size, fonts, graphics card, audio settings, timezone, plugins. Combined, these create a fingerprint so unique that 90% of users are individually identifiable among billions.

😟 Why it's terrifying: Unlike cookies, fingerprints:

➲ Can't be deleted or cleared.

➲ Work in incognito/private mode.

➲ Survive browser resets.

➲ Track you invisibly across sites.

➲ Persist for months/years.

You literally cannot escape them with normal browsing.

🎯 The harvesting methods:

➲ Canvas fingerprinting: Hidden graphics reveal GPU quirks.

➲ Audio fingerprinting: Detects sound processing differences.

➲ WebGL: Exposes graphics drivers + hardware Font detection: Maps installed fonts.

➲ WebRTC: Leaks real IP behind VPNs.

📈 The cookie ban backfire:

As browsers kill cookies, advertisers are going ALL-IN on fingerprinting. It's more invasive, legally murky, and technically harder to stop. We traded visible tracking for invisible mass surveillance.

Who's profiting from your fingerprint:

Data brokers, ad networks, social media giants, governments, hackers. Your digital identity is being catalogued, sold, and weaponized, often without legal oversight or your knowledge.

🛡️ Fighting back (the nuclear options):

➲ Tor Browser: Makes everyone look identical.

➲ Brave: Blocks fingerprinting by default.

➲ Hardened Firefox: Disable WebGL, Canvas, fonts.

➲ Extensions: CanvasBlocker, Privacy Badger.

#cybersecurity #browsers #fingerprint #cookies #browser-fingerprint

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Written by

Anshika Sharma
Anshika Sharma

GSoC’2025 @projecthoneynet | Former Research Intern@iitkgp | Mentor@nerdycreww | DevOps | GDG Member | I talk about Devops, Python and Data Structures & Algorithms