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: 2024-12-28 → 2025-01-03 UTC
Choose a report date
Previous week Next week
Observed events
57
Public claims in the selected week
Data leak indicators
40
70.2% of observed events
Active actors
18
Distinct groups with observed activity
Torrent-linked events
0
Events intersecting with torrent intelligence

What changed this week?

•
Arcus Media generated the highest visible claim volume this week, representing 14.0% of observed events.
•
70.2% 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 5 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.

Coverage snapshot

As of 2025-01-03 UTC.
Leak sites observed this week
18
Leak sites online near report date
0
Threat actor profiles updated this week
0
Countries represented this week
20
Sectors represented this week
39

Top active actors

By observed claim volume
Arcus Media
8 events · 0 leak indicators
RansomHub
8 events · 7 leak indicators
8BASE
7 events · 5 leak indicators
SAFEPAY
7 events · 6 leak indicators
Cicada3301
5 events · 5 leak indicators
PLAY
4 events · 4 leak indicators
RA Group
4 events · 0 leak indicators
DragonForce
3 events · 3 leak indicators

Emerging or resurfacing actors

No matching activity in prior 30 days
  • Arcus Media 8 events
  • Cicada3301 5 events
  • Apos Security 1 event
  • RansomHouse 1 event

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States21
  • SAFEPAY4 events · 3 leak indicators
  • 8BASE3 events · 2 leak indicators
  • Cicada33013 events · 3 leak indicators
  • PLAY3 events · 3 leak indicators
  • RansomHub2 events · 2 leak indicators
  • Apos Security1 event · 1 leak indicator
  • CL0P1 event · 0 leak indicators
  • DragonForce1 event · 1 leak indicator
France7
  • 8BASE2 events · 1 leak indicator
  • Cicada33012 events · 2 leak indicators
  • DragonForce1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
  • Space Bears1 event · 1 leak indicator
Singapore5
  • SAFEPAY3 events · 3 leak indicators
  • RansomHub2 events · 2 leak indicators
Brazil3
  • Arcus Media2 events · 0 leak indicators
  • 8BASE1 event · 1 leak indicator
Canada2
  • Data Leak1 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
Germany2
  • DragonForce1 event · 1 leak indicator
  • RA Group1 event · 0 leak indicators
India2
  • Arcus Media1 event · 0 leak indicators
  • DarkVault1 event · 1 leak indicator
Spain2
  • Arcus Media1 event · 0 leak indicators
  • RansomHub1 event · 1 leak indicator

Sector mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
Construction5
  • Arcus Media2 events · 0 leak indicators
  • RansomHub2 events · 2 leak indicators
  • RA Group1 event · 0 leak indicators
IT Services and IT Consulting5
  • Arcus Media2 events · 0 leak indicators
  • DarkVault1 event · 1 leak indicator
  • DragonForce1 event · 1 leak indicator
  • Space Bears1 event · 1 leak indicator
Machinery Manufacturing4
  • SAFEPAY2 events · 2 leak indicators
  • Cicada33011 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Accounting2
  • PLAY1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Appliances, Electrical, and Electronics Manufacturing2
  • Arcus Media1 event · 0 leak indicators
  • RansomHub1 event · 0 leak indicators
Education Administration Programs2
  • SAFEPAY2 events · 1 leak indicator
Medical Practice2
  • 8BASE1 event · 1 leak indicator
  • DragonForce1 event · 1 leak indicator
Primary and Secondary Education2
  • RA Group1 event · 0 leak indicators
  • SAFEPAY1 event · 1 leak indicator

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 11-50 employees 20
  • 51-200 employees 17
  • 201-500 employees 6
  • 1,001-5,000 employees 4
  • 2-10 employees 3
  • 501-1,000 employees 2

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
Apos Security Outsourcing/Offshoring United States Data leak 2025-01-03
Cicada3301 Rubber Products Manufacturing United States Data leak 2025-01-03
Cicada3301 Machinery Manufacturing United States Data leak 2025-01-03
Cicada3301 Facilities Services France Data leak 2025-01-03
Cicada3301 Non-profit Organizations United States Data leak 2025-01-03
Cicada3301 Motor Vehicle Manufacturing France Data leak 2025-01-03
CL0P Transportation, Logistics, Supply Chain and Storage United States Claim only 2025-01-03
Hunters International Chemical Manufacturing Japan Data leak 2025-01-03
Lynx Law Practice United States Data leak 2025-01-03
RansomHub Construction United States Data leak 2025-01-03
RansomHub Machinery Manufacturing United States Data leak 2025-01-03
8BASE Wholesale United States Data leak 2025-01-03

News and research context

Recent articles from the same time window.

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.