People search LendingTree data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 3 LendingTree-linked incidents, with headline counts up to 190M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why LendingTree breach history matters
LendingTree operates in Finance (United States). Across indexed rows, recurring themes include credential theft and social engineering, third-party and supply-chain exposure, zero-day exploitation and malware. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2024 — — Consumer data
Cataloged incident. Third-party. Consumer data. Exposed categories include Names, emails, addresses, and other PII. No attested victim count is published for this row yet. See the lendingtree2024 and canonical BreachHistory entry.
2024 — 190M (Snowflake)
Cataloged incident. LendingTree's subsidiary QuoteWizard was compromised in the June 2024 Snowflake breach campaign. UNC5537 threat actors used stolen credentials to access QuoteWizard's Snowflake instance. Data on over 190 million people was offered for sale on cybercriminal forums, including customer details, partial credit card numbers, and insurance quotes. Parent company LendingTree stated consumer financial accounts were not impacted. Exposed categories include Customer details, partial credit card numbers, insurance quotes. BreachHistory cites approximately 190M+ affected records in this row. See the lendingtree2024a and canonical BreachHistory entry.
2008 — — LendingTree: Outside loan companies may have accessed…
Cataloged incident. Outside loan companies may have accessed information, including Social Security numbers, between October 2006 and early 2008 and used it to market their own mortgages to LendingTree customers. Several former employees may have shared confidential passwords with a handful of lenders that were not approved by the company. Exposed categories include Personal information. No attested victim count is published for this row yet. See the lendingtree2008 and canonical BreachHistory entry.
Patterns and analysis
- Credential theft and social engineering — appears across multiple LendingTree catalog entries; prioritize controls that address this class of failure.
- Third-party and supply-chain exposure — appears across multiple LendingTree catalog entries; prioritize controls that address this class of failure.
- Zero-day exploitation and malware — appears across multiple LendingTree 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 LendingTree company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/lendingtree · Latest: lendingtree2024.
Sources: BreachHistory catalog (3 rows for LendingTree), company and regulator disclosures cited in individual breach records.