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Listed on a ransomware leak site

Paycor

paycor.com

Paycor was listed on the Leakeddata and Clop leak site on Jul 6, 2023. Brandefense has recorded 3 separate claims against it. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Leakeddata, Clop
First listed
Jul 6, 2023
Claims recorded
3

3 Leak-Site Claims.

LeakeddataConfirmed claim
Posted on the leak site
Mar 19, 2025
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated
Leak-site post text, written by the group
Founded in 1990, Paycor is a human capital management company that provides HR and payroll technology...
ClopConfirmed claim
Posted on the leak site
Feb 26, 2024
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated
ClopConfirmed claim
Posted on the leak site
Jul 6, 2023
Collected by Brandefense
Jul 12, 2025
Data claimed
Not stated
Leak-site post text, written by the group
HCM Solutions for Leaders and HR Teams

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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
Merit Financial Group
meritfinancialadvisors.com
StormUSUnited StatesFinancial ServicesNot stated
Finzly Corp
finzly.com
N0nUSUnited StatesFinancial ServicesNot stated
CREDIN
credin.pt
QilinPTPortugalFinancial ServicesNot stated
********rta.ch
rta.ch
CloakCHSwitzerlandFinancial ServicesNot stated
Via Credit Union
viacu.org
QilinUSUnited StatesFinancial ServicesNot stated
coopecaja.fi.cr
coopecaja.fi.cr
INC RansomCRCosta RicaFinancial ServicesNot 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.