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: 2024-12-04 → 2024-12-10 UTC
Choose a report date
Previous week Next week
Observed events
144
Public claims in the selected week
Data leak indicators
114
79.2% of observed events
Active actors
34
Distinct groups with observed activity
Torrent-linked events
5
Events intersecting with torrent intelligence

What changed this week?

•
LeakedData generated the highest visible claim volume this week, representing 23.6% of observed events.
•
79.2% of observed events in this window showed a public data-leak indicator, which is a stronger escalation signal than a fresh listing alone.
•
Law Practice was the most represented sector in this window with 15 observed events.
•
4 actor(s) appeared active this week without matching activity in the prior 30-day lookback, suggesting fresh campaigns, rebrands, or resurfacing infrastructure.
•
5 observed events in this week intersected with torrent intelligence, which is useful for understanding data-distribution tactics beyond plain leak-site posts.

Coverage snapshot

As of 2024-12-10 UTC.
Leak sites observed this week
34
Leak sites online near report date
0
Threat actor profiles updated this week
2
Countries represented this week
26
Sectors represented this week
57

Top active actors

By observed claim volume
LeakedData
34 events · 32 leak indicators
Akira
18 events · 5 leak indicators
RansomHub
15 events · 15 leak indicators
BlackBasta
12 events · 12 leak indicators
Eraleignews
7 events · 7 leak indicators
Medusa
5 events · 4 leak indicators
8BASE
4 events · 4 leak indicators
BianLian
4 events · 2 leak indicators

Emerging or resurfacing actors

No matching activity in prior 30 days
  • LeakedData 34 events
  • Bluebox 2 events
  • Nitrogen 2 events
  • Blackout 1 event

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States82
  • LeakedData25 events · 25 leak indicators
  • Akira13 events · 4 leak indicators
  • RansomHub12 events · 12 leak indicators
  • BianLian4 events · 2 leak indicators
  • BlackBasta3 events · 3 leak indicators
  • PLAY3 events · 3 leak indicators
  • Eraleignews2 events · 2 leak indicators
  • INTERLOCK2 events · 2 leak indicators
Canada10
  • Akira2 events · 0 leak indicators
  • BlackBasta2 events · 2 leak indicators
  • LeakedData2 events · 2 leak indicators
  • 8BASE1 event · 1 leak indicator
  • Eraleignews1 event · 1 leak indicator
  • INC Ransom1 event · 1 leak indicator
  • SAFEPAY1 event · 1 leak indicator
Germany6
  • BlackBasta2 events · 2 leak indicators
  • Cloak2 events · 0 leak indicators
  • Fog1 event · 0 leak indicators
  • LeakedData1 event · 1 leak indicator
Spain4
  • 8BASE1 event · 1 leak indicator
  • Akira1 event · 0 leak indicators
  • Blacksuit1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Australia3
  • LeakedData1 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
Brazil3
  • Eraleignews2 events · 2 leak indicators
  • LockBit 3.01 event · 1 leak indicator
Italy3
  • BlackBasta2 events · 2 leak indicators
  • Everest1 event · 1 leak indicator
United Kingdom3
  • BlackBasta2 events · 2 leak indicators
  • Lynx1 event · 1 leak indicator

Sector mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
Law Practice15
  • LeakedData11 events · 11 leak indicators
  • Akira2 events · 0 leak indicators
  • Medusa2 events · 1 leak indicator
Construction9
  • RansomHub4 events · 4 leak indicators
  • Sarcoma2 events · 2 leak indicators
  • DragonForce1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
  • Nitrogen1 event · 1 leak indicator
Financial Services8
  • LeakedData5 events · 5 leak indicators
  • BlackBasta1 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
  • Space Bears1 event · 0 leak indicators
Insurance6
  • Akira3 events · 1 leak indicator
  • LeakedData2 events · 2 leak indicators
  • BianLian1 event · 1 leak indicator
Accounting5
  • LeakedData3 events · 3 leak indicators
  • Akira1 event · 0 leak indicators
  • SAFEPAY1 event · 1 leak indicator
Hospitals and Health Care4
  • INC Ransom2 events · 2 leak indicators
  • BianLian1 event · 0 leak indicators
  • RansomHub1 event · 1 leak indicator
Real Estate4
  • BlackBasta2 events · 2 leak indicators
  • LeakedData1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Software Development4
  • 8BASE1 event · 1 leak indicator
  • Eraleignews1 event · 1 leak indicator
  • RA Group1 event · 0 leak indicators
  • Termite1 event · 1 leak indicator

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 51-200 employees 45
  • 11-50 employees 24
  • 201-500 employees 23
  • 1,001-5,000 employees 15
  • 501-1,000 employees 10
  • 2-10 employees 9

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
Lynx Building Materials United States Data leak 2024-12-10
LeakedData Insurance United States Data leak 2024-12-10
INC Ransom Motor Vehicle Manufacturing Saudi Arabia Data leak 2024-12-10
Nitrogen Construction United States Data leak 2024-12-10
RansomHub Construction United States Data leak 2024-12-10
Medusa Gambling Facilities and Casinos Australia Data leak 2024-12-10
Medusa Transportation/Trucking/Railroad Netherlands Data leak 2024-12-10
Medusa Construction Chile Data leak 2024-12-10
Hunters International Telecommunications Namibia Data leak 2024-12-10
LeakedData Insurance Germany Data leak 2024-12-10
Eraleignews IT Services and IT Consulting Canada Data leak 2024-12-10
Akira Mining United States Claim only 2024-12-10

News and research context

Recent articles from the same time window.
Artivion, Inc. SEC filling - SEC.gov 2024-12-09
Artivion, Inc. (“Artivion” or the “Company”) identified and began taking measures to address a cybersecurity incident on November 21, 2024. Artivion’s response measures included t…
Home - WatsonvilleHospital.com 2024-12-06
Related actor: Termite
We are experiencing a computer network outage but we continue to provide the full spectrum of care We are experiencing a disruption of our computer systems. Our IT team, along wi…

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.