Where does the Beth Israel Deaconess Medical Center case file come from?

Every entry is taken from the breach report Beth Israel Deaconess Medical Center 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: Beth Israel Deaconess Medical Center Data Breach

This file collects the dated facts on record for the Beth Israel Deaconess Medical Center incident. The state report is dated January 21, 2026.

Timeline

January 21, 2026Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state: Massachusetts
Date reported: January 21, 2026
Receiving office: Massachusetts Attorney General

Case notes

On January 21, 2026, Beth Israel Deaconess Medical Center filed a report with the Massachusetts Attorney General regarding an unspecified security incident. The institution, a major academic medical center in Massachusetts, indicated that the matter is currently under investigation following the report.

The specific types of personal information involved in this incident have not been detailed in the public filing. As a prominent healthcare provider, Beth Israel Deaconess Medical Center handles a wide range of sensitive data for patients and staff in its operations.

For individuals whose information may have been part of this incident, there is a potential risk that their personal data could be exposed. While the full scope is still being assessed, it is important to be aware of the possibility of unauthorized access to your information.

Those concerned about their personal information should remain vigilant. Review statements from your financial institutions and healthcare providers for any unusual activity. Consider placing a fraud alert on your credit files and regularly monitor your credit reports for any unauthorized accounts or inquiries. Be cautious of unsolicited communications, especially those asking for personal details.

This report from Beth Israel Deaconess Medical Center serves as a public record of a data security event impacting a significant Massachusetts institution. The filing is an official notification of a potential compromise of personal data.

Questions about this case file

Where does the Beth Israel Deaconess Medical Center case file come from?: Every entry is taken from the breach report Beth Israel Deaconess Medical Center 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.

Massachusetts data breaches

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Timeline

Case facts

Case notes

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