Skip to content

Search Ransomware Intelligence

Jump to a group, country, industry or search victims.

Listed on a ransomware leak site

Graymatter

graymatter.co.in

Graymatter was listed on the Sinobi leak site on Feb 20, 2026. Information as of Oct 19, 2026.

Country: IndiaIndustry: Education and Research
Updated continuously · figures as of Oct 19, 2026
Claimed by
Sinobi
First listed
Feb 20, 2026
Claims recorded
1

Leak-Site Claim.

SinobiConfirmed claim
Posted on the leak site
Feb 20, 2026
Collected by Brandefense
Apr 3, 2026
Data claimed
150 GB
Leak-site post text, written by the group
GrayMatter (graymatter.co.in) is a Bangalore-based IT company founded in 2006, s...

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

Alert me
Other confirmed victims claimed by the same group
VictimClaimed byCountryIndustryData claimedPosted
Neurotrials Research Inc
neurotrials.com
SinobiUSUnited StatesConsulting180 GB
Scales and Associates Inc
scalesassoc.com
SinobiUSUnited StatesConsulting85 GB
Unre3d
2017.as
SinobiSESwedenUnknown12 GB
Bay State Land Services
baystatelandservices.com
SinobiUSUnited StatesConstructionNot stated
Celeris Networks
celerisnetworks.com
SinobiUSUnited StatesTechnologyNot stated
Positiwise Infotech Pvt
positiwise.com
SinobiINIndiaTechnology100 GB
Other confirmed victims in the same industry
VictimClaimed byCountryIndustryData claimedPosted
Seminole Schools
sps.k12.ok.us
Global-secret-groupUSUnited StatesEducation and Research39.6 GB
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

Get Real-Time Alerts, IOC Feeds And Takedowns.

The Brandefense platform watches every leak site for your company, vendors and executives, and acts on what it finds.

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.