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Dell Data Breaches: Full Timeline Through 2026

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People search Dell data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 3 Dell-linked incidents, with headline counts up to 49M+ in catalog rows. This page maps every attested event through 2026 with internal links to canonical records.

Why Dell breach history matters

Dell operates in Technology (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

2024 — customer data breach

Cataloged incident. Dell disclosed a breach of a portal containing customer purchase information including names, addresses, and order details. Data was offered for sale on the dark web. Exposed categories include Names, Addresses, Order details. BreachHistory cites approximately 49M+ affected records in this row. See the dllb and canonical BreachHistory entry.

2024 — 49M customer records

Cataloged incident. Threat actor Menelik brute-forced 7-digit service tags at 5,000 req/min for 3 weeks. No financial data exposed. Exposed categories include Names, physical addresses, hardware details, service tags, order numbers, warranty info. BreachHistory cites approximately 49M+ affected records in this row. See the dell2024 and canonical BreachHistory entry.

2018 — — Dell Technologies: Dell detected & disrupted unauthorized activity on…

Cataloged incident. Nov 2018. Dell detected & disrupted unauthorized activity on its network attempting to extract Dell customer information, which was included names, email addresses & hashed passwords BreachHistory cites approximately 100K+ affected records in this row. See the dell2018 and canonical BreachHistory entry.

Patterns and analysis

  • Third-party and supply-chain exposure — appears across multiple Dell 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

  1. Step 1: Enable phishing-resistant MFA on every account tied to this brand.
  2. Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
  3. Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
  4. Step 4: Review OAuth app permissions and revoke unused third-party integrations.
  5. Step 5: Bookmark the Dell company page for new 2026+ disclosures.

Canonical BreachHistory hub

Explore every indexed row: breachhistory.com/dell · Latest: dllb.

Sources: BreachHistory catalog (3 rows for Dell), company and regulator disclosures cited in individual breach records.