Fingerprinting: Difference between revisions
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In computer science, '''fingerprinting''' is a procedure that maps an arbitrarily large data item (such as a computer file) to a much shorter bit string, its '''''fingerprint''''', that uniquely identifies the original data for all practical purposes just as human fingerprints uniquely | In computer science, '''fingerprinting''' is a procedure that maps an arbitrarily large data item (such as a computer file) to a much shorter bit string, its '''''fingerprint''''', that uniquely identifies the original data for all practical purposes just as human fingerprints uniquely entify people for practical purposes.<ref>{{Cite web |title=What is fingerprinting in Computer Science? |url=https://tolumichael.com/what-is-fingerprinting-in-cybersecurity/ |access-date=30 August 2025}}</ref> | ||
==How it works== | ==How it works== | ||
Fingerprinting works | <!-- Can someone knowledgable enough please check this? -->Fingerprinting works by getting a data item and turning it into a much shorter bit string that uniquely identifies itself. This includes the operating system, device model, screen resolution and more.<ref>{{Cite web |title=How does device fingerprinting work? |url=https://www.crossclassify.com/resources/articles/how-does-fingerprinting-work/ |access-date=31 August 2025 |website=crossclasiffy.com}}</ref> | ||
==Why it is a problem== | ==Why it is a problem== | ||
Latest revision as of 05:23, 31 August 2025
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In computer science, fingerprinting is a procedure that maps an arbitrarily large data item (such as a computer file) to a much shorter bit string, its fingerprint, that uniquely identifies the original data for all practical purposes just as human fingerprints uniquely entify people for practical purposes.[1]
How it works[edit | edit source]
Fingerprinting works by getting a data item and turning it into a much shorter bit string that uniquely identifies itself. This includes the operating system, device model, screen resolution and more.[2]
Why it is a problem[edit | edit source]
Fingerprinting can be used to identify individuals, flagging privacy concerns and letting companies do things like targeted advertising, selling personal data and more.
Examples[edit | edit source]
Some examples of fingerprinting include some types of cookies,
References[edit | edit source]
- ↑ "What is fingerprinting in Computer Science?". Retrieved 30 August 2025.
- ↑ "How does device fingerprinting work?". crossclasiffy.com. Retrieved 31 August 2025.