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Listed on a ransomware leak site

McGraw Hill, Inc. (mheducation.com)

mheducation.com

McGraw Hill, Inc. (mheducation.com) was listed on the ShinyHunters leak site on Apr 11, 2026. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
ShinyHunters
First listed
Apr 11, 2026
Claims recorded
1

Leak-Site Claim.

ShinyHuntersConfirmed claim
Posted on the leak site
Apr 11, 2026
Collected by Brandefense
Apr 11, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Over 45M Salesforce records containing PII data have been compromised. Pay or leak. This is a final warning to reach out by 14 Apr 2026 before we leak along with several annoying (digital) problems that'll come your way. Make the right decision, don't be the next headline.

Get alerted the moment your company or a supplier is posted on a leak site.

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Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Vercel Inc.
vercel.com
ShinyHuntersUSUnited StatesHosting Service ProvidersNot stated
Abaco Informatica
abaco-informatica.com.ar
ShinyHuntersARArgentinaTechnologyNot stated
Correios
correos.es
ShinyHuntersESSpainTransportation and LogisticsNot stated
Ticketmaster
ticketmaster.com
ShinyHuntersUSUnited StatesMedia and EntertainmentNot stated
Somali Immigration and Nationality Agency (HSJ); Ministry of Justice and Constitutional Affairs
etas.gov.so
ShinyHuntersSOSomaliaRetailNot stated
DexCom, Inc.
dexcom.com
ShinyHuntersUSUnited StatesHealthcareNot stated
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
The Akeeli Group
theakeeligroup.com
N0nUSUnited StatesEducation and ResearchNot stated
Llano Independent School District
llanoisd.org
QilinUSUnited StatesEducation and ResearchNot stated
Solid Trading B.V.
solid-fx.com
N0nNLNetherlandsEducation and ResearchNot stated
First Brothers Co., Ltd
firstbrothers.com
QilinJPJapanEducation and ResearchNot stated
Wellington College International School Bangkok
wellingtoncollege.ac.th
The GentlemenTHThailandEducation and ResearchNot stated
nowaszkola.com
nowaszkola.com
INC RansomPLPolandEducation and ResearchNot 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.