Hightower Holding

Summary

Hightower Holding experienced a data breach that exposed the Social Security Numbers of 131,483 clients. The incident was recorded in a compilation of ransomware and cyber attacks affecting organizations across various locations, with the breach specifically noted as occurring in Chicago, Illinois, United States. The compromised personal information included sensitive identifiers that could be used for identity theft and fraud.

Motives

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TTPs

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Description

The incident involving Hightower Holding is referenced in an article published on Cloudian.com on December 17, 2020, titled "Ransomware Attack List and Alerts." The article compiles a list of ransomware and cyber attacks that occurred in March 2026. Within that list, an entry is dedicated to Hightower Holding, providing a hyperlink to a claimdepot data breach page. The entry is formatted as a clickable title that reads "Hightower Holding Data Breach Affects 131,483 Clients Exposing Social Security Numbers." The geographic tag attached to the entry identifies the location as Chicago, Illinois, United States.

According to the referenced claimdepot page, the breach impacted 131,483 clients of Hightower Holding and exposed their Social Security Numbers. The article does not disclose the date of the breach beyond its inclusion in the March 2026 timeline. No information about the attack method, threat actor identity, or initial infection vector is provided in the source material. Similarly, the article contains no details regarding detection, containment, eradication, or recovery actions undertaken by Hightower Holding. Consequently, the only verifiable facts from the available sources are the number of affected individuals, the type of data compromised, and the location of the organization.

Sources

Sources available to members: 1 source.