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Company intelligence

Hshs cybersecurity incidents and threat signals

hshs.org

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This company page brings together public reporting currently associated with Hshs. It reflects signals published by Shadow Tier and should not be read as a complete incident history.

1

Published signals

currently linked to this company

0

Last 28 days

recent published signals

0

Last 90 days

recent published signals

0

High or critical

confidence classifications

July 1, 2026

Latest report

most recent published signal

Company signals

All published signals involving Hshs

Hshs logoUse of stolen credentials or exploit
Medium

Hospital Sisters Health System Data Breach

Hospital Sisters Health System (HSHS) notified the Maine Attorney General on February 7, 2025, about a data breach that affected 882,782 individuals. The breach stemmed from a cyberattack that occurred between August 16 and August 27, 2023, which resulted in unauthorized access to files containing patients' and employees' personal and protected health information. Compromised data included names, addresses, dates of birth, Social Security numbers, driver's license numbers, medical record numbers, health insurance information, and limited medical and treatment information.

Hshs

FAQ

Questions about Hshs cybersecurity reporting

What does the Hshs page include?

It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Hshs.

Does every mention of Hshs 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.