Dixons Carphone Data Breach History

This page tracks the Dixons Carphone data breach history and cybersecurity incidents affecting Dixons Carphone (United Kingdom). BreachHistory currently indexes 3 publicly disclosed or catalogued incidents spanning 2017 through 2018, with approximately 20.0 million records reported as exposed across all indexed events. These totals may include overlapping datasets or third-party estimates and should not be interpreted as unique affected users.

The Dixons Carphone breach timeline includes major data breaches, cyber attacks, data leaks, credential exposures, API abuse, and other security incidents. Each incident provides details on the estimated records exposed, attack method, affected data types, and supporting public sources. Currently, 0 incidents are company-confirmed.

Largest Dixons Carphone Data Breaches

The largest indexed incidents include the 2018 — Dixons Carphone: Hacking, 10,000,000 records, the 2017 Dixons Carphone — 5.6M cards, 10M records, and the 2018 — Dixons Carphone: Dixons Carphone revealed personal info for 10…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Dixons Carphone or a regulator. Below is the list of large data breaches:

• 2018 2018 — Dixons Carphone: Hacking, 10,000,000 records — about 10.0M records exposed · Catalogued incident
• 2017 2017 Dixons Carphone — 5.6M cards, 10M records — about 10.0M records exposed · Catalogued incident
• 2018 2018 — Dixons Carphone: Dixons Carphone revealed personal info for 10… — about 10 records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include email addresses, names, payment card and financial account data, health and medical (PHI) records, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Dixons Carphone Data Breach 2026

At the time of this update, no Dixons Carphone data breach has been catalogued for 2026. New incidents are added as official disclosures, regulatory filings, or credible cybersecurity reports become available.

What To Do If You Were Affected

If you believe your account may have been involved in a Dixons Carphone data breach, change any reused passwords, enable multi-factor authentication (MFA), monitor your account for suspicious activity, and be cautious of phishing emails or fake breach notifications.

This Dixons Carphone breach history is maintained by BreachHistory using public disclosures, regulatory filings, security research, and clearly labelled third-party claims. For the complete breach timeline, records exposed, incident details, and AI Breach Risk Score, explore the sections on this page.