This record tracks a ransomware attack claimed by the
thegentlemen group against
Veradigm. It collects the publicly disclosed attack details — sector, location and
timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAP
Window Zero is the time the breach stayed in the open before
anyone said so — the gap between when the attack was first discovered
on the operator's leak site (t1) and when it was publicly disclosed (t2).
The wider this window, the longer victims, staff and customers were exposed with no warning.
1day open
t1 · Published
t2 · Pending
Published
September 04, 2026
Disclosed / Notified
Not disclosed yet
Attack Summary
veradigm.com zoominfo.com/c/veradigm-llc/471134180
3.5+ million personal patient records with PII full name, address, social security number, email, address, phone number,guarantors PII ,Score Veradigm Inc. is a publicly traded American healthcare technology and data analytics company (OTC: MDRX), the former Allscripts, founded in 1986 and renamed Veradigm in January 2023, headquartered in Chicago with about 2,300–2,600 employees. Its core asset is one of the largest multi-EHR data networks in US healthcare — over 450,000 connected providers and 200M+ patient records — which it monetizes through three segments: Provider (EHR, practice management, revenue cycle: $473M in 2024), Payer (quality and risk adjustment analytics: $67.3M) and Life Sciences (real-world data and AI-driven evidence: $54M).
Leak Screenshots
SAMPLE
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Dark Web Exposure
Findings for veradigm.com
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
28+
found in Traditional breaches
122+
found in Ransomware leaks
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+ 3 more leak sources locked
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