People search Best Buy data breach timeline because millions of customers entrust payment and identity data to everyday transactions. BreachHistory indexes 3 Best Buy-linked incidents, with headline counts up to 1 in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.
Why Best Buy breach history matters
Best Buy operates in Retail (United States). Across indexed rows, recurring themes include third-party and supply-chain exposure. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2018 — — Customer data
Cataloged incident. Third-party. Customer data. Exposed categories include Names, emails, addresses, and other PII. No attested victim count is published for this row yet. See the best-buy2018 and canonical BreachHistory entry.
2017 — — Best Buy: After Delta Air Lines and Sears Holdings, Best Buy…
Cataloged incident. After Delta Air Lines and Sears Holdings, Best Buy has also come forward to warn customers that their payment card information may have been compromised as a result of a breach suffered by online services provider [24]7.ai.Similar to Delta and Sears, Best Buy contracted [24]7.ai for online chat/support services. The retailer says it will contact impacted customers and provide free credit monitoring if needed.Best Buy has not specified exactly how many of its customers are impacted, but noted tha Exposed categories include Personal information. BreachHistory cites approximately 1 affected records in this row. See the best-buy2017 and canonical BreachHistory entry.
2011 — — Best Buy: Though Best Buy was affected by the large Epsilon…
Cataloged incident. Though Best Buy was affected by the large Epsilon breach, it had a second, separate breach of customer emails. A former third party vendor experienced a breach that may have exposed customer email addresses. Best Buy is pursuing legal action and had already ended its business relationship with the vendor. It is unclear why the vendor still had Best Buy customer information. It is likely that the unnamed vendor's breach affected customers of other businesses as well. Exposed categories include Personal information. No attested victim count is published for this row yet. See the best-buy2011 and canonical BreachHistory entry.
Patterns and analysis
- Third-party and supply-chain exposure — appears across multiple Best Buy 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: Use virtual card numbers for online checkout where your bank supports it.
- Step 5: Bookmark the Best Buy company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/best-buy · Latest: best-buy2018.
Sources: BreachHistory catalog (3 rows for Best Buy), company and regulator disclosures cited in individual breach records.