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delfi.ee Domain Breach Exposure Report

Risk Score

High Risk

Massive event volume or critical assets compromised.

AI Findings Summary

Critical

The domain delfi.ee has experienced a significant number of events, totaling over 12,000 within the reporting period. The majority of these events are categorized as historical data breaches (84.1%) and active infostealer logs (15.9%). A substantial portion of the data breach events involved clients (11,913), with a smaller but notable number affecting employees (216). The timeline indicates a surge in client-related events starting in September 2025 and peaking in March and April 2026, with employee-related events also showing increases during these periods. Malware families associated with these events include Rhadamanthys, Redline, and LummaC2, all known for credential theft and data exfiltration. The primary leak repository classification is "Combolist sources," suggesting compromised credentials are being traded or sold.

Total Events

12,129
credential exposure events

Employee Affected Events

216
account email domain = delfi.ee

Client Affected Events

11,913
service target = delfi.ee

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
3,0002,0001,0000
peak month 2,935
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events1,924
Share16%
Data breaches
Events10,205
Share84%
Infostealer logs (16%)
1,924events
Data breaches (84%)
10,205events

216 compromised employee accounts pose an infrastructure risk, while 11,913 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender3

Malware Families Distribution

Distribution of Active Stealer Strains

Rhadamanthys342
Redline299
LummaC2182
Acreed168
Vidar65
StealC23
Cthulhu22
Raccoon20
RisePro19

Top Login URLs

Top exposed services found in the event results

  1. 1https://ekspresskonto.delfi.ee/login614
  2. 2https://auth.piano.delfi.ee/id/527
  3. 3https://www.delfi.ee/411
  4. 4ekspresskonto.delfi.ee/login389
  5. 5https://ekspresskonto.delfi.ee379
  6. 6ekspresskonto.delfi.ee336
  7. 7delfi.ee302
  8. 8auth.piano.delfi.ee/id/241
  9. 9delfi.ee/237
  10. 10https://delfi.ee216

Infostealer By Geography

Shows the distribution of Infostealer-related credential exposure events across different geographic regions. The location is determined by analyzing the metadata of the infected machines associated with each event.

Estonia
Events1,100
Finland
Events26
United States
Events23
Germany
Events13
United Kingdom
Events10
Switzerland
Events10
South Korea
Events4

Country Breakdown

  1. 1Estonia1,100
  2. 2Finland26
  3. 3United States23
  4. 4Germany13
  5. 5United Kingdom10
  6. 6Switzerland10
  7. 7Palestinian Territories7
  8. 8South Korea4

Services Classification Distribution

Blast radius - closer to core = more critical infrastructure, size = credential volume

-
Total

Operating System Distribution

Distribution of compromised endpoint builds

Windows 11189
Windows 11 24H2 build 26100 (64 Bit)186
Windows 10 Enterprise x64114
Windows 10 22H2 build 19045 (64 Bit)104
Windows 1087

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
10,131
Combolist pools
74
Unattributed dumps

Disclaimer: This report includes AI-generated content. AI can make mistakes, so verify important findings independently before taking action.