Dell Technologies Data Breach History

This page tracks the Dell Technologies data breach history and cybersecurity incidents affecting Dell Technologies (United States). BreachHistory currently indexes 3 publicly disclosed or catalogued incidents spanning 2018 through 2024, with approximately 98.1 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 Dell Technologies 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 Dell Technologies Data Breaches

The largest indexed incidents include the 2024 customer data breach, the 2024 Dell — 49M customer records, and the 2018 — Dell Technologies: Dell detected & disrupted unauthorized activity on…. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Dell Technologies or a regulator. Below is the list of large data breaches:

• 2024 2024 customer data breach — about 49.0M records exposed · Catalogued incident
• 2024 2024 Dell — 49M customer records — about 49.0M records exposed · Catalogued incident
• 2018 2018 — Dell Technologies: Dell detected & disrupted unauthorized activity on… — about 100.0K records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include 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.

Dell Technologies Data Breach 2026

At the time of this update, no Dell Technologies 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 Dell Technologies 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 Dell Technologies 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.