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Listed on a ransomware leak site

Broadstreet HEOR

broadstreetheor.com

Broadstreet HEOR was listed on the Rhysida leak site on Oct 28, 2026. Information as of Oct 29, 2026.

Country: CanadaIndustry: Healthcare
Updated continuously · figures as of Oct 29, 2026
Claimed by
Rhysida
First listed
Oct 28, 2026
Claims recorded
1

Leak-Site Claim.

RhysidaConfirmed claim
Posted on the leak site
Oct 28, 2026
Collected by Brandefense
Oct 28, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Broadstreet HEOR Broadstreet Health Economics & Outcomes Research (Vancouver, Canada)is a consultancy running health-economics and real-world-evidencestudies for Pfizer, Bayer, Boehringer Ingelheim, Takeda, Madrigal,Alexion/AstraZeneca, Bristol-Myers Squibb, Sarepta, Taysha, Biohavenand others.- US patient PHI: Medicaid (11.3M rows: DOB, race, diagnoses, NDCdrugs, payments), Veradigm/Allscripts EHR tables, licensed IBMMarketScan / Optum Clinformatics data.- Production Alexiondb (PostgreSQL): schema + claims rows.- Live SQL Server credentials of client Taysha Gene Therapies(production DB…

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Figures as of Oct 29, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.