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Listed on a ransomware leak site

B...

berkshirehathaway.com

B... was listed on the Leakeddata and Silent Ransom Group leak site on Sep 22, 2026. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Country: United StatesIndustry: Insurance
Updated continuously · figures as of Oct 19, 2026
Claimed by
Leakeddata, Silent Ransom Group
First listed
Sep 22, 2026
Claims recorded
2

2 Leak-Site Claims.

LeakeddataConfirmed claim
Posted on the leak site
Sep 22, 2026
Collected by Brandefense
Sep 22, 2026
Data claimed
Not stated
Silent Ransom GroupConfirmed claim
Posted on the leak site
Sep 22, 2026
Collected by Brandefense
Sep 22, 2026
Data claimed
Not stated

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Latham & Watkins
lw.com
LeakeddataUSUnited StatesLegal ServicesNot stated
O'Hagan Meyer
ohaganmeyer.com
LeakeddataUSUnited StatesLegal ServicesNot stated
Baker McKenzie
bakermckenzie.com
LeakeddataUSUnited StatesLegal ServicesNot stated
Andersen Group Inc.
andersengroupinc.com
LeakeddataUSUnited StatesConsultingNot stated
Andersen Group
andersengrouprealty.com
LeakeddataUSUnited StatesConstructionNot stated
A...n
totalenergies.com
LeakeddataFRFranceEnergy and UtilitiesNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
alera
aleragroup.com
Iah6477USUnited StatesInsurance2.6 TB
Interseguro
interseguro.pe
DireWolfPEPeruInsurance2.5 TB
PALIG.COM
palig.com
ClopUSUnited StatesInsuranceNot stated
taspenlife.com
taspenlife.com
LockBit 5.0IDIndonesiaInsuranceNot stated
Somit
somit.com
The GentlemenGTGuatemalaInsuranceNot stated
Tower Insurance
tower.co.nz
Coinbase CartelNZNew ZealandInsuranceNot 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.