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Listed on a ransomware leak site

JLK Rosenberger

jlkrosenberger.com

JLK Rosenberger was listed on the INC Ransom leak site on Jan 28, 2026. Information as of Oct 19, 2026.

Country: United StatesIndustry: Consulting
Updated continuously · figures as of Oct 19, 2026
Claimed by
INC Ransom
First listed
Jan 28, 2026
Claims recorded
1

Leak-Site Claim.

INC RansomConfirmed claim
Posted on the leak site
Jan 28, 2026
Collected by Brandefense
Apr 3, 2026
Data claimed
300 GB
Leak-site post text, written by the group
JLK Rosenberger LLP, Certified Public Accountants: A full service accounting and business advisory firm with offices in Irvine and Glendale, California and Dallas, Texas. The firm is recognized as a Top 400 Firm by Inside Public Accounting and one of the largest auditors of insurance entities in the United States as ranked by Aon and AM Best We have 300GB of data. Internal mail, accounting, company customer information and we will publish all the information next week.

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Figures as of Oct 19, 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.