Where does the Keystone Pacific Property Management case file come from?

Every entry is taken from the breach report Keystone Pacific Property Management lodged with the Massachusetts Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Keystone Pacific Property Management Data Breach

This file collects the dated facts on record for the Keystone Pacific Property Management incident. The state report is dated June 28, 2025.

Timeline

June 28, 2025Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state: Massachusetts
Date reported: June 28, 2025
Receiving office: Massachusetts Attorney General

Case notes

Keystone Pacific Property Management, a firm involved in residential and commercial property management in Massachusetts, reported a data security incident on June 28, 2025. The company functions as a key link between property owners, associations, and tenants, regularly handling a range of administrative, financial, and operational data.

The report indicates that a security incident led to unauthorized access to the company's network and tenant databases. While the specific categories of personal information involved were not detailed in public filings, property management companies typically store extensive records. The incident is currently under investigation, with no specific breach date or number of affected individuals publicly disclosed.

Companies like Keystone Pacific Property Management are responsible for managing significant volumes of personal information. Such incidents can involve various forms of intrusion, compromising the integrity and privacy of the information involved. The ongoing investigation aims to determine the full scope and impact of the unauthorized access.

Individuals who receive an official notification from Keystone Pacific Property Management regarding this incident should carefully review the information provided. It is recommended to monitor personal accounts for any suspicious activity, review credit reports regularly for unauthorized inquiries or new accounts, and remain cautious of unsolicited communications that may attempt to phish for additional details. Freezing credit can also be considered as a proactive protective measure.

Questions about this case file

Where does the Keystone Pacific Property Management case file come from?: Every entry is taken from the breach report Keystone Pacific Property Management lodged with the Massachusetts Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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Timeline

Case facts

Case notes

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