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Number of data points leaked in data breaches in the United Kingdom (UK) from 1st quarter 2004 to 3rd quarter 2025, by type of data (in millions)

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Source

In cooperation with
Release date

October 2025

Region

United Kingdom

Survey time period

Q1 2004 to Q3 2025

Citation formats

Most common data points leaked in the UK 2004-2025, by type

Published by
Christy Tila,
Jan 17, 2026

Among the data breaches in the United Kingdom (UK) in the third quarter of 2025, users' passwords were the most frequently leaked type of data, with an overall * million being leaked in the measured period. Usernames ranked second, followed by names.

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Statistics on " Online privacy in the United Kingdom (UK) "

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Other statistics that may interest you Online privacy in the United Kingdom (UK)

Overview

8

User attitudes toward privacy and awareness

8

User actions toward online data protection

5

Privacy actions by user demographic

8

Data breaches

5

Awareness of data privacy rights

3

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Topics

Online privacy in the United Kingdom (UK)Internet usage in the United Kingdom (UK)Internet usage demographics in the United Kingdom (UK)Mobile internet usage in the United Kingdom (UK)
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* For commercial use only

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Access limited to Free Statistics. Premium Statistics are not included.
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