Published by Ani Petrosyan, Mar 21, 2024
See Also
21 Cybersecurity Tips and Best Practices for Your Business [Infographic] - TitanFileWhat are the 5 C's of Cybersecurity? - FortifyData unified cyber risk & asset intelligence platformHow to Prevent Cyber Attacks in 2024? [10 Effective Steps]15 Common Types of Cyber Attacks and How to Mitigate ThemAs of March 2024, the most significant data breach incident in the United Kingdom (UK) was the 2017-2018 Dixons Carphone breach. As a result of this incident, 14 million user records were affected, and 5.6 million payment card information was exposed. The Equifax data breach between 2011 and 2016 impacted over 15 million customers nationwide.
Most significant data breaches in the United Kingdom (UK) as of March 2024, by impact
| Name of the organization | Impact |
|---|---|
| Dixons Carphone (Jul 2017 to Apr 2018) | 14 million personal records and 5.6 million payment card information |
| Equifax (2011-2016) | 15.2 million records |
| EasyJet (Oct 2019-Mar 2020) | 9 million customers and 2,200 credit cards details |
| The National Health Service (NHS) (Jul 2011-Jul 2012) | 1.8 million records |
| Virgin Media (Mar 2020) | 900,000 customers affected |
| JD Wetherspoon (Jun 2015) | 650,000 customers affected |
| British Airways (Jun 2018 - Sep 2018) | 500,000 payment card details |
| Wonga (Apr 2017) | 270,000 customer records |
| Three Mobile UK (Nov 2016) | 130,000 customer records |
| TalkTalk (Oct 2015) | 157,000 records |
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