People search Experian data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 8 Experian-linked incidents, with headline counts up to 24M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Experian breach history matters
Experian operates in Government (United States). Across indexed rows, recurring themes include credential theft and social engineering. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2020 — 24M records
Cataloged incident. Fraudster posed as client, obtained 24M South Africans and 793K businesses. ID numbers, contact details. Court order impounded hardware, data deleted. Exposed categories include Names, ID numbers, contact details. BreachHistory cites approximately 24M+ affected records in this row. See the experian-south-africa2020 and canonical BreachHistory entry.
2015 — — Experian: Experian has announced a breach to their system…
Cataloged incident. Experian has announced a breach to their system affecting over 15 million T-Mobile customers. T-Mobile uses Experian to run credit checks on potential customers. Who Is Affected Experian said the incident is isolated and is only limited to consumers who applied for T-Mobile USA services between Sept. 1, 2013, and Sept. 16, 2015. What's Been Exposed The information exposed to hackers includes names, addresses, social security numbers, dates of birth, and various identification numbers, in Exposed categories include Personal information. BreachHistory cites approximately 15M+ affected records in this row. See the experian2015 and canonical BreachHistory entry.
2015 — T-Mobile data exposure (Experian NA)
Cataloged incident. Experian North America, which processed credit applications for T-Mobile, was breached. Names, addresses, SSNs, and other credit application data were stolen. Exposed categories include Names, Addresses, Social Security numbers, Credit/financial data. BreachHistory cites approximately 15M+ affected records in this row. See the expb and canonical BreachHistory entry.
2014 — — Experian: info accessed without proper authorization Location…
Cataloged incident. info accessed without proper authorization Location of breached information: Website Business associate present: No Exposed categories include Personal information. BreachHistory cites approximately 3 affected records in this row. See the experian2014 and canonical BreachHistory entry.
2012 — — Experian: A user ID assigned to Independent Capital…
Cataloged incident. A user ID assigned to Independent Capital Management used to access consumer reports was compromised by an unknown individual. New user IDs were assigned and security was increased. The unauthorized access took place sometime between February 13 and February 15. Exposed categories include Personal information. BreachHistory cites approximately 123 affected records in this row. See the experian2012 and canonical BreachHistory entry.
2011 — — Experian: One of Experian's clients experienced a breach that…
Cataloged incident. One of Experian's clients experienced a breach that gave unauthorized users access to Experian's pool of consumer names, Social Security numbers, dates of birth and account numbers. Someone gained access to the Experian login information for Iowa Telecommunications and was able to obtain consumer report information in the company's name. Exposed categories include Personal information. No attested victim count is published for this row yet. See the experian2011 and canonical BreachHistory entry.
2007 — — Experian: An unauthorized person gained access to Vallarta's…
Cataloged incident. An unauthorized person gained access to Vallarta's Experian account and may have obtained consumer information. Affected individuals may have had their names, Social Security numbers, dates of birth and addresses exposed. Fourteen New York residents were affected, but the total number of people affected nationwide was not reported. Exposed categories include Personal information. No attested victim count is published for this row yet. See the experian2007 and canonical BreachHistory entry.
2006 — — Experian: Thirty New York residents and an unknown number of…
Cataloged incident. Thirty New York residents and an unknown number of customers nationwide had their information accessed. The unauthorized access by an Experian client resulted in the exposure of names, dates of birth, account numbers, Social Security numbers and addresses. Exposed categories include Personal information. BreachHistory cites approximately 30 affected records in this row. See the experian2006 and canonical BreachHistory entry.
Patterns and analysis
- Credential theft and social engineering — appears across multiple Experian catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Bookmark the Experian company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/experian · Latest: experian-south-africa2020.
Sources: BreachHistory catalog (8 rows for Experian), company and regulator disclosures cited in individual breach records.