Weekly intelligence Trend-first

Weekly ransomware & data leak landscape

A seven-day view of claim activity, leak escalation, actor concentration, sector shifts, and supporting news context from eCrime.ch.

Window: 2025-01-08 → 2025-01-14 UTC
Choose a report date
Previous week Next week
Observed events
121
Public claims in the selected week
Data leak indicators
104
86.0% of observed events
Active actors
27
Distinct groups with observed activity
Torrent-linked events
14
Events intersecting with torrent intelligence

What changed this week?

•
RansomHub generated the highest visible claim volume this week, representing 14.9% of observed events.
•
86.0% of observed events in this window showed a public data-leak indicator, which is a stronger escalation signal than a fresh listing alone.
•
Construction was the most represented sector in this window with 13 observed events.
•
2 actor(s) appeared active this week without matching activity in the prior 30-day lookback, suggesting fresh campaigns, rebrands, or resurfacing infrastructure.
•
14 observed events in this week intersected with torrent intelligence, which is useful for understanding data-distribution tactics beyond plain leak-site posts.
•
1 tracked leak sites were still online as of the report date snapshot, giving useful context on current ecosystem churn and monitoring pressure.

Coverage snapshot

As of 2025-01-14 UTC.
Leak sites observed this week
27
Leak sites online near report date
1
Threat actor profiles updated this week
4
Countries represented this week
33
Sectors represented this week
60

Top active actors

By observed claim volume
RansomHub
18 events · 16 leak indicators
Akira
16 events · 14 leak indicators
Lynx
11 events · 11 leak indicators
LockBit 3.0
9 events · 9 leak indicators
BlackBasta
8 events · 7 leak indicators
INC Ransom
8 events · 8 leak indicators
Hunters International
7 events · 7 leak indicators
LeakedData
5 events · 5 leak indicators

Emerging or resurfacing actors

No matching activity in prior 30 days
  • Embargo 1 event
  • MedusaLocker 1 event

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States57
  • Akira9 events · 8 leak indicators
  • Lynx7 events · 7 leak indicators
  • RansomHub6 events · 6 leak indicators
  • Fog4 events · 0 leak indicators
  • Hunters International4 events · 4 leak indicators
  • LeakedData4 events · 4 leak indicators
  • BlackBasta3 events · 2 leak indicators
  • INC Ransom3 events · 3 leak indicators
Canada8
  • BlackBasta2 events · 2 leak indicators
  • INC Ransom2 events · 2 leak indicators
  • Data Leak1 event · 1 leak indicator
  • Everest1 event · 0 leak indicators
  • RansomHub1 event · 1 leak indicator
  • Rhysida1 event · 1 leak indicator
Brazil7
  • Akira3 events · 2 leak indicators
  • LockBit 3.02 events · 2 leak indicators
  • 8BASE1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
United Kingdom6
  • RansomHub2 events · 2 leak indicators
  • BlackBasta1 event · 1 leak indicator
  • Hunters International1 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
Australia3
  • INC Ransom2 events · 2 leak indicators
  • Lynx1 event · 1 leak indicator
Colombia3
  • Akira1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
Italy3
  • Hunters International1 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • Sarcoma1 event · 1 leak indicator
Spain3
  • Akira1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • RansomHub1 event · 0 leak indicators

Sector mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
Construction13
  • Lynx3 events · 3 leak indicators
  • Akira2 events · 2 leak indicators
  • BlackBasta2 events · 2 leak indicators
  • CL0P1 event · 0 leak indicators
  • Hunters International1 event · 1 leak indicator
  • Kairos1 event · 0 leak indicators
  • LockBit 3.01 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
Hospitals and Health Care6
  • INC Ransom3 events · 3 leak indicators
  • Akira1 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Retail6
  • Abyss1 event · 1 leak indicator
  • Eraleignews1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
  • RansomHub1 event · 0 leak indicators
Accounting5
  • LeakedData2 events · 2 leak indicators
  • LockBit 3.01 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Civic and Social Organizations4
  • INC Ransom2 events · 2 leak indicators
  • RansomHub1 event · 1 leak indicator
  • Rhysida1 event · 1 leak indicator
Government Administration4
  • Fog1 event · 0 leak indicators
  • LockBit 3.01 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
Hospitality4
  • LockBit 3.01 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • Space Bears1 event · 1 leak indicator
  • Termite1 event · 1 leak indicator
IT Services and IT Consulting4
  • CL0P1 event · 0 leak indicators
  • DragonForce1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 51-200 employees 31
  • 201-500 employees 24
  • 11-50 employees 20
  • 2-10 employees 10
  • 501-1,000 employees 9
  • 1,001-5,000 employees 7

Notable actor profile updates

Active actor records only.
New ransom note observed
No ransom-note change logged in this reporting window.
New actor infrastructure / contact channel
No infrastructure/contact-channel change logged in this reporting window.
New vuln / TTP intelligence
No vuln/TTP change logged in this reporting window.

Recent signal samples

Selected weekly signals.
Actor Sector Country Leak proof Seen
Kairos Construction United States Claim only 2025-01-14
Rhysida Civic and Social Organizations United States Data leak 2025-01-14
Medusa IT Services and IT Consulting United States Data leak 2025-01-14
Medusa Government Administration United Kingdom Data leak 2025-01-14
Medusa Telecommunications India Data leak 2025-01-14
Sarcoma Manufacturing Italy Data leak 2025-01-14
RansomHub Environmental Services Austria Data leak 2025-01-14
LeakedData Law Practice United States Data leak 2025-01-14
LeakedData Accounting United States Data leak 2025-01-14
LeakedData Insurance United States Data leak 2025-01-14
LeakedData Accounting United States Data leak 2025-01-14
Akira Retail Luxury Goods and Jewelry United States Data leak 2025-01-14

News and research context

Recent articles from the same time window.
Network TU/e is shut down, no education on Monday 2025-01-12
TU/e has shut down its network today (Sunday 12 January) due to a cyber-attack. As a result, TU/e's network-bound systems are or will become inaccessible for users for the time be…

Notes

  • Observed events reflect monitored leak-site and extortion activity, not independent confirmation of every intrusion.
  • Data-leak indicators reflect visible public leak evidence or escalation, which is stronger than a fresh listing alone.
  • Country, sector, and company-size metadata can be incomplete. Unknown values are excluded from the public mix views.
  • The goal is to explain concentration, escalation, churn, and patterns — not to build a wall of named victims.

Method

  • The page uses a fixed seven-day window based on the selected date.
  • Only public-facing actor and event records are included.
  • Counts and breakdowns are designed for trend review, not incident confirmation.