Where does the Jeffrey Lisiecki MD PLLC case file come from?

Every entry is taken from the breach report Jeffrey Lisiecki MD PLLC 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: Jeffrey Lisiecki MD PLLC Data Breach

This file collects the dated facts on record for the Jeffrey Lisiecki MD PLLC incident. The state report is dated May 22, 2026.

Timeline

May 22, 2026Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state: Massachusetts
Date reported: May 22, 2026
Receiving office: Massachusetts Attorney General

Case notes

Jeffrey Lisiecki MD PLLC, a medical practice operating in Massachusetts, has formally reported a data security incident to regulatory authorities. The filing, dated May 22, 2026, details unauthorized access to its network or systems, prompting an ongoing investigation into the event.

As a healthcare provider, Jeffrey Lisiecki MD PLLC is entrusted with a significant volume of personal information necessary for patient care, clinical consultations, and operational processes. The reported incident suggests that some of this sensitive data may have been accessed by unauthorized parties.

While the specific categories of data involved are under investigation, any compromise of personal information can carry various potential risks for affected individuals. Unauthorized access could lead to misuse of personal details, potentially impacting an individual's privacy and security.

Individuals who may be affected by this incident are advised to remain vigilant. It is a good practice to closely monitor personal and financial accounts for any unusual or suspicious activity. As a precautionary measure, consider placing a fraud alert or freezing your credit with major credit reporting agencies.

Regularly reviewing account statements, credit reports, and any communications related to your personal information can help detect and mitigate potential issues. Be cautious of unsolicited requests for your personal data, especially those that appear urgent or unusual. This information is based on public filings made to state regulators.

Questions about this case file

Where does the Jeffrey Lisiecki MD PLLC case file come from?: Every entry is taken from the breach report Jeffrey Lisiecki MD PLLC 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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