1
Published signals
currently linked to this company
Company intelligence
Lockton cybersecurity incidents and threat signals
lockton.com
This company page brings together public reporting currently associated with Lockton. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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Last 28 days
recent published signals
0
Last 90 days
recent published signals
1
High or critical
confidence classifications
July 2, 2026
Latest report
most recent published signal
Company signals
All published signals involving Lockton
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.
FAQ
Questions about Lockton cybersecurity reporting
What does the Lockton page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Lockton.
Does every mention of Lockton appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.