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Listed on a ransomware leak site

simmonsboardman.com

simmonsboardman.com

simmonsboardman.com was listed on the Lynx and Qilin leak site on Jun 30, 2025. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Country: United StatesIndustry: Unknown
Updated continuously · figures as of Oct 19, 2026
Claimed by
Lynx, Qilin
First listed
Jun 30, 2025
Claims recorded
2

2 Leak-Site Claims.

LynxConfirmed claim
Posted on the leak site
Jun 30, 2025
Collected by Brandefense
Sep 4, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Simmons Boardman Publishing is one of the oldest and most well-respected privately held B2B publishers in the United States. The company focuses on providing content and resources for professional audiences in various industries. Their established reputation makes them a trusted source for industry-specific publications and insights. Intended clients include industry professionals seeking reliable information and resources.
QilinConfirmed claim
Posted on the leak site
Jun 30, 2025
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Simmons-Boardman Publishing Corporation is one of the oldest, most well-respected, privately held B2B publishers. Our diverse portfolio of print and digital products includes magazines, books, directories, email newsletters, conferences, webs...

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
cutlercapital
cutlercapital.com
LynxUSUnited StatesFinancial ServicesNot stated
talbotdes.org
talbotdes.org
LynxUSUnited StatesEducation and ResearchNot stated
jerryleigh.com
jerryleigh.com
LynxUSUnited StatesEducation and ResearchNot stated
eastersealsia.org
eastersealsia.org
LynxUSUnited StatesHealthcareNot stated
someco.com
someco.com
LynxUSUnited StatesUnknownNot stated
wolfconstruction.net
wolfconstruction.net
LynxUSUnited StatesConstructionNot stated

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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.