Ransomware group

Kairos ransomware: victims and leak site activity

The Kairos ransomware group has listed 95 victims on its leak site since November 2024; its latest post is from 2 September 2026. Most affected countries: United States, Australia and United Kingdom. Most targeted sector: Professional Services.

Total posts 95
First seen 2024-11-13
Latest post 2026-09-02
Countries hit 15

About Kairos

Kairos is a data extortion group active since late 2024 that focuses solely on data theft with no encryption, primarily targeting small-to-mid-sized organizations in healthcare, manufacturing, and business services in the US, purchasing initial access from brokers and demanding Bitcoin payments.

Leak site (Tor)
http://kairosgeuzkzz3ajntqcyxl3ib36szz3mg62mb3zbui33pbk3uzo4qqd.onion

Most targeted countries

  1. United States 54
  2. Australia 12
  3. United Kingdom 7
  4. Canada 4
  5. Germany 3
  6. France 3
  7. Denmark 2
  8. Spain 2
  9. Slovakia 2
  10. Cyprus 1
All countries →

Most targeted sectors

  1. Professional Services 19
  2. Healthcare 13
  3. Education 12
  4. Government & Defense 11
  5. Manufacturing 8
  6. Retail & E-Commerce 8
  7. Financial Services 5
  8. Agriculture and Food Production 4
  9. Energy & Utilities 4
  10. Transportation 3
All sectors →

Kairos victims per year

14 2024
53 2025
28 2026

All 95 victims

Search every post in the full table.
Victim Country Sector Discovered
Ville de Libercourt France Government & Defense
Ayuntamiento de Velilla de San Antonio Spain Government & Defense
Hightech Signs United States Manufacturing
Warwick Fabrics New Zealand Manufacturing
Thermalex Inc United States Manufacturing
LR Reed Australia Professional Services
College O'Sullivan de Québec Canada Education
Mortensenlawoffices United States Professional Services
Commune De Camiers France Government & Defense
McCarthy Inc United States Manufacturing
Arwini Germany —
Ayuntamiento de Valdemoro Spain Government & Defense
Houk Air Conditioning United States Professional Services
Gregory Jewellers Australia Retail & E-Commerce
Nordenta (a daughter company of LIFCO) Denmark Healthcare
Strata Republic Australia Professional Services
FriendlyCare Pharmacy Australia Healthcare
Pullen Moving United States Transportation
Colonial Presbyterian Church United States Retail & E-Commerce
South Florida Injury Centers United States Healthcare
Resch Maschinenbau Germany Manufacturing
Folet & Rivoire France Professional Services
Institute of Social Security - Paraguay Paraguay Government & Defense
Katz Kantor Stonestreet & Buckner United States Professional Services
Rockwood Retirement Communities United States Retail & E-Commerce
Robbins Parking Service Ltd Canada Transportation
The Marena Group United States Healthcare
Seagrass Boutique Hospitality Group Australia Hospitality
Melland High United States Education
Heidelberggc Australia Hospitality
Milkagro Slovakia Agriculture and Food Production
Wilsenergy United States Energy & Utilities
Nurturecare United States Professional Services
OCBAR United States Professional Services
Hazel Mercantile India Energy & Utilities
Summitcollege United States Education
The Property Business Australia Financial Services
Ekonomipoolen United States —
ocbar.org/USA/114GB United States Government & Defense
www.ms-security-ltd.com/Cyprus/1.48TB Cyprus Professional Services
www.nurturecare.com/USA/192GB United States Healthcare
wilsenergy.com/USA/77.1GB United States Energy & Utilities
www.milkagro.sk/Slovakia/335GB Slovakia Agriculture and Food Production
heidelberggc.com.au/Australia/26.4GB Australia Retail & E-Commerce
thepropertybusiness.com/Australia/164GB Australia Professional Services
ekonomipoolen.se/Sweden/32/GB Sweden Professional Services
summitcollege.edu/USA/370GB United States Education
trico176.org/USA/180GB United States Retail & E-Commerce
melland.bright-futures.co.uk United Kingdom Education
mortensenlawoffices.com/USA/99GB United States Professional Services
Bouey & Black LLP United States Financial Services
inspiredbeauty.com United States Retail & E-Commerce
oandg.com.au Australia Energy & Utilities
mcparlane.com United States Professional Services
stopzbugs.com/USA/146GB United States Other
taoscounty.org United States Government & Defense
evanspharmacy.com/USA/56gb/ United States Healthcare
jerichofd.com/USA/157GB/ United States Government & Defense
ndsohio.org United States Government & Defense
durhamarts.org United States Education
loopergoodwine.com United States Professional Services
thederbyhighschool.co.uk United Kingdom Education
coloradopulmonary.com United States Healthcare
d-line-it.com Denmark Technology
RFMS, Inc. United States Professional Services
galesburg.org United States Government & Defense
stattorney.org United States Government & Defense
fredsalvuccicorp.com United States Other
drvitenas.com United States Healthcare
usarice.com United States Agriculture and Food Production
thefireplacewarehouse.co.uk United Kingdom Retail & E-Commerce
danecourt.kent.sch.uk United Kingdom Education
toitoiusa.com United States Education
casperstruck.com United States Transportation
medicalreportsltd.com United Kingdom Healthcare
delpackaging.com United States Manufacturing
theurswickschool.co.uk United Kingdom Education
nightingalehammerson.org United Kingdom Healthcare
realtaxcanada.com Canada Financial Services
combinedpoolandspa.com United States Retail & E-Commerce
jgele.com United States Professional Services
austinsfs.com.au Australia Financial Services
eisenhowerlaw.com United States Professional Services
aneticaid.com United States Healthcare
tcpm.com United States Technology
archlou.org United States Education
T&M Equipment United States Manufacturing
brownpacking.com Germany Agriculture and Food Production
tacomaengineers.com Canada Professional Services
sunnydayssunshinecenter.com United States Education
formosacpa.com.tw Taiwan Financial Services
clayplattefamily.com United States Healthcare
askyouraccountant.com Australia Professional Services
pmrcenter.com United States Healthcare
kansasrmc.com United States Manufacturing