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Listed on a ransomware leak site

American Vanguard

americanvanguard.studio

American Vanguard was listed on the Osiris leak site on Jan 9, 2026. Information as of Oct 19, 2026.

Country: United StatesIndustry: Technology
Updated continuously · figures as of Oct 19, 2026
Claimed by
Osiris
First listed
Jan 9, 2026
Claims recorded
1

Leak-Site Claim.

OsirisConfirmed claim
Posted on the leak site
Jan 9, 2026
Collected by Brandefense
Apr 3, 2026
Data claimed
Not stated
Leak-site post text, written by the group
American Vanguard Corporation is a U.S.-based company specializing in agricultural chemicals, primarily focused on crop protection products like herbicides, insecticides, fungicides, and fumigants. Founded in 1969 and headquartered in Newport Beach, California, the company markets products under its AMVAC brand and other specialized labels, serving global agricultural markets. Through a combination of research and development, strategic acquisitions, and a focus on sustainable practices, American Vanguard aims to enhance crop yields while minimizing environmental impact. It invests in greener…

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Other confirmed victims claimed by the same group
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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.