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known.is

Ransomware group thegentlemen hits Known

MEDIUM
·Technology·IS·2026-07-31

Known — a technology target operating in IS has been listed by the thegentlemen ransomware group on 2026-07-31. The information below reflects what the threat actor has publicly claimed on their leak site; the details have not been independently verified.

Incident Report

Target OrganizationKnown
Threat Group
thegentlemen
Summaryknown.is zoominfo.com/c/known/480652891 Known is an award-winning, data-driven marketing, creative, and media agency headquartered in New York. The company uniquely combines PhD data scientists with world-class creatives to deliver measurable performance and breakthrough brand strategies for major clients like Microsoft, TikTok, and Grubhub. Recognized by Ad Age and Adweek as a top-tier agency, Known is dedicated to setting a new standard for modern marketing through science-led innovation and rigorous analytics
Date of Breach2026-07-31
Discovery Date2026-07-31
RegionIS
Target Domainknown.is
Business SectorTechnology
Severity
MEDIUM

Claim by thegentlemen

known.is zoominfo.com/c/known/480652891 Known is an award-winning, data-driven marketing, creative, and media agency headquartered in New York. The company uniquely combines PhD data scientists with world-class creatives to deliver measurable performance and breakthrough brand strategies for major clients like Microsoft, TikTok, and Grubhub. Recognized by Ad Age and Adweek as a top-tier agency, Known is dedicated to setting a new standard for modern marketing through science-led innovation and rigorous analytics

Posted by the thegentlemen threat actor on its public leak site. This is the group's own statement and has not been independently verified by HackerFeeds.

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