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Published signals
currently linked to this company
Company intelligence
Corewellhealth cybersecurity incidents and threat signals
corewellhealth.org
This company page brings together public reporting currently associated with Corewellhealth. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
Company links
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Last 28 days
recent published signals
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Last 90 days
recent published signals
0
High or critical
confidence classifications
June 26, 2026
Latest report
most recent published signal
Company signals
All published signals involving Corewellhealth
Corewell Health patients affected by 2024 data breach at Pinnacle Holdings
Corewell Health patients were recently notified (April 3, 2026) about a data breach that occurred in late 2024 at healthcare consulting firm Pinnacle Holdings, LTD. Approximately 19,000 patients were affected, with personal details including name, contact information, birth dates, Social Security Numbers, and government-issued ID numbers being compromised.
FAQ
Questions about Corewellhealth cybersecurity reporting
What does the Corewellhealth page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Corewellhealth.
Does every mention of Corewellhealth 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.