Experian Data Breach History

This page tracks the Experian data breach history and cybersecurity incidents affecting Experian (United States). BreachHistory currently indexes 8 publicly disclosed or catalogued incidents spanning 2006 through 2020, with approximately 54.0 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 Experian 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 Experian Data Breaches

The largest indexed incidents include the 2020 Experian South Africa — 24M records, the 2015 — Experian: Experian has announced a breach to their system…, and the 2015 T-Mobile data exposure (Experian NA), along with additional historical incidents involving exposed passwords, public databases, and large-scale data scraping. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Experian or a regulator. Below is the list of large data breaches:

• 2020 2020 Experian South Africa — 24M records — about 24.0M records exposed · Catalogued incident
• 2015 2015 — Experian: Experian has announced a breach to their system… — about 15.0M records exposed · Catalogued incident
• 2015 2015 T-Mobile data exposure (Experian NA) — about 15.0M records exposed · Catalogued incident
• 2012 2012 — Experian: A user ID assigned to Independent Capital… — about 123 records exposed · Catalogued incident
• 2006 2006 — Experian: Thirty New York residents and an unknown number of… — about 30 records exposed · Catalogued incident
• 2014 2014 — Experian: info accessed without proper authorization Location… — about 3 records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include Social Security numbers and national IDs, names, physical addresses, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Experian Data Breach 2026

At the time of this update, no Experian 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 Experian 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 Experian 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.