Hewlett Packard Data Breach History

This page tracks the Hewlett Packard data breach history and cybersecurity incidents affecting Hewlett Packard (United States). BreachHistory currently indexes 7 publicly disclosed or catalogued incidents spanning 2006 through 2016, with approximately 538 thousand 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 Hewlett Packard 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 Hewlett Packard Data Breaches

The largest indexed incidents include the 2010 — Hewlett Packard: Laptop lost/stolen containing employee data: names,…, the 2006 — Hewlett Packard: Laptop lost/stolen containing employee data: names,…, and the 2016 Navy contractor breach — 134,000 records, along with additional historical incidents involving exposed passwords, public databases, and large-scale data scraping. Record counts originating from threat actors or leak sites should be treated as estimates unless confirmed by Hewlett Packard or a regulator. Below is the list of large data breaches:

• 2010 2010 — Hewlett Packard: Laptop lost/stolen containing employee data: names,… — about 200.0K records exposed · Catalogued incident
• 2006 2006 — Hewlett Packard: Laptop lost/stolen containing employee data: names,… — about 200.0K records exposed · Catalogued incident
• 2016 2016 Navy contractor breach — 134,000 records — about 134.0K records exposed · Catalogued incident
• 2007 2007 — Hewlett Packard: A laptop belonging to an HP director was lost… — about 1.4K records exposed · Catalogued incident
• 2012 2012 — Hewlett Packard: An employee responded to a telephone computer… — about 1.1K records exposed · Catalogued incident
• 2008 2008 — Hewlett Packard: Several thousand employee records were contained on… — about 1.0K records exposed · Catalogued incident
• 2011 2011 — Hewlett Packard: A dishonest employee accessed the Electronic Data… — about 250 records exposed · Catalogued incident

What Information Was Exposed?

Depending on the incident, exposed data may include Social Security numbers and national IDs, names, and other personal information (PII). The exact data varies between incidents, so review each breach page before assuming your information was affected.

Hewlett Packard Data Breach 2026

At the time of this update, no Hewlett Packard 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 Hewlett Packard 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 Hewlett Packard 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.