Lockton (Southeast Series) data breach impacts over 1.1 million individuals
A cybersecurity incident occurred on November 20, 2024, where an unauthorized party gained access to a single individual account and computer within the Lockton environment, specifically the Southeast Series of Lockton Companies. This breach resulted in the unauthorized acquisition of files containing sensitive personal and protected health information for more than 1.1 million individuals. The compromised data includes names, addresses, phone numbers, email addresses, dates of birth, Social Security numbers, and financial information. Notification letters to affected individuals were sent in March 2025.
Signal context
First seen: Nov 20, 2024
Last updated: Jul 2, 2026
Status: Public signal
Key points
- Cybersecurity incident occurred on November 20, 2024.
- Unauthorized access to a single account and computer within Lockton's Southeast Series.
- Over 1.1 million individuals affected.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Finance and Insurance
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 22 signals in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Lockton Cos. $9.9M Data Breach Class Action Settlement - Claim Depothttps://www.claimdepot.com/settlements/the-lockton-data-settlementPublic source from claimdepot.com.
Lockton - Long Form Notice FINALhttps://cdn.prod.website-files.com/642f23e5f54b794300ac12a6/698a70057270fe02e77bad0a_vL6W9Jtc1M2ZQPmsrviAfm9ayItX_lr-FsyEsWeErsI.pdfPublic source from cdn.prod.website-files.com.
Lockton Southeast Data Breach Settlement: $9.9M — How to File Your Claim Before April 7https://getoutofdebt.org/246926/lockton-southeast-data-breach-settlement-claimPublic source from getoutofdebt.org.
Related signals
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