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: 2025-02-28 → 2025-03-06 UTC
Choose a report date
Previous week Next week
Observed events
190
Public claims in the selected week
Data leak indicators
82
43.2% of observed events
Active actors
28
Distinct groups with observed activity
Torrent-linked events
3
Events intersecting with torrent intelligence

What changed this week?

•
CL0P generated the highest visible claim volume this week, representing 27.4% of observed events.
•
43.2% of observed events in this window showed a public data-leak indicator, which is a stronger escalation signal than a fresh listing alone.
•
IT Services and IT Consulting was the most represented sector in this window with 12 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.
•
3 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 2025-03-06 UTC.
Leak sites observed this week
28
Leak sites online near report date
0
Threat actor profiles updated this week
4
Countries represented this week
32
Sectors represented this week
82

Top active actors

By observed claim volume
CL0P
52 events · 5 leak indicators
Fog
26 events · 0 leak indicators
RansomHub
16 events · 14 leak indicators
Qilin
10 events · 6 leak indicators
Arcus Media
9 events · 0 leak indicators
Akira
8 events · 3 leak indicators
Lynx
8 events · 8 leak indicators
PLAY
8 events · 8 leak indicators

Emerging or resurfacing actors

No matching activity in prior 30 days
  • Skira 5 events
  • Weyhro 5 events

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States114
  • CL0P42 events · 5 leak indicators
  • RansomHub11 events · 9 leak indicators
  • Fog9 events · 0 leak indicators
  • PLAY7 events · 7 leak indicators
  • Qilin7 events · 5 leak indicators
  • 3AM5 events · 5 leak indicators
  • Akira4 events · 2 leak indicators
  • BianLian4 events · 0 leak indicators
Canada9
  • CL0P5 events · 0 leak indicators
  • RansomHub2 events · 2 leak indicators
  • Abyss1 event · 1 leak indicator
  • Weyhro1 event · 1 leak indicator
Germany7
  • Fog4 events · 0 leak indicators
  • 3AM1 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • SAFEPAY1 event · 1 leak indicator
United Kingdom7
  • CL0P2 events · 0 leak indicators
  • DragonForce2 events · 2 leak indicators
  • Akira1 event · 1 leak indicator
  • Arcus Media1 event · 0 leak indicators
  • Medusa1 event · 1 leak indicator
Brazil6
  • Arcus Media3 events · 0 leak indicators
  • Fog2 events · 0 leak indicators
  • Apos Security1 event · 1 leak indicator
Italy6
  • Akira2 events · 0 leak indicators
  • Fog2 events · 0 leak indicators
  • LockBit 3.01 event · 1 leak indicator
  • Weyhro1 event · 1 leak indicator
Belgium3
  • Fog2 events · 0 leak indicators
  • RansomHub1 event · 1 leak indicator
France3
  • Arcus Media2 events · 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.
IT Services and IT Consulting12
  • CL0P4 events · 0 leak indicators
  • Arcus Media3 events · 0 leak indicators
  • Apos Security1 event · 1 leak indicator
  • Fog1 event · 0 leak indicators
  • Hunters International1 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
  • Qilin1 event · 0 leak indicators
Construction10
  • Akira2 events · 0 leak indicators
  • RansomHub2 events · 1 leak indicator
  • 3AM1 event · 1 leak indicator
  • INC Ransom1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • Monti1 event · 0 leak indicators
  • PLAY1 event · 1 leak indicator
Food and Beverage Services7
  • CL0P4 events · 0 leak indicators
  • DragonForce1 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Retail Apparel and Fashion7
  • CL0P5 events · 2 leak indicators
  • Arcus Media1 event · 0 leak indicators
  • Fog1 event · 0 leak indicators
Software Development7
  • Fog4 events · 0 leak indicators
  • Akira1 event · 1 leak indicator
  • CL0P1 event · 0 leak indicators
  • Weyhro1 event · 1 leak indicator
Manufacturing6
  • CL0P4 events · 0 leak indicators
  • Monti1 event · 0 leak indicators
  • RansomHub1 event · 1 leak indicator
Wholesale6
  • CL0P4 events · 1 leak indicator
  • Akira1 event · 1 leak indicator
  • Weyhro1 event · 1 leak indicator
Real Estate5
  • Akira1 event · 0 leak indicators
  • BianLian1 event · 0 leak indicators
  • PLAY1 event · 1 leak indicator
  • Skira1 event · 0 leak indicators
  • Trinity1 event · 0 leak indicators

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 51-200 employees 59
  • 11-50 employees 41
  • 201-500 employees 25
  • 1,001-5,000 employees 16
  • 501-1,000 employees 14
  • 2-10 employees 12

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
Medusa Retail United States Data leak 2025-03-06
Medusa Printing Services United Kingdom Data leak 2025-03-06
Akira Retail United States Data leak 2025-03-06
3AM Accounting United States Data leak 2025-03-06
3AM Construction United States Data leak 2025-03-06
3AM Industrial Machinery Manufacturing United States Data leak 2025-03-06
3AM Legal Services Germany Data leak 2025-03-06
RansomHub Government Administration Canada Data leak 2025-03-06
RansomHub Education Administration Programs United States Data leak 2025-03-06
RansomHub Retail United States Claim only 2025-03-06
RansomHub Law Practice United States Data leak 2025-03-06
RansomHub Events Services Canada Data leak 2025-03-06

News and research context

Recent articles from the same time window.
Medusa Ransomware Activity Continues to Increase 2025-03-06
Related actor: Medusa
Attacks using this ransomware have displayed consistent TTPs and grown steadily since 2023. Medusa ransomware attacks jumped by 42% between 2023 and 2024. This increase in acti…
Camera off: Akira deploys ransomware via webcam 2025-03-05
Related actor: Akira
While the S-RM team encountered more threat actors than ever before last year, one group was responsible for more incidents than any other. Akira, a well-established ransomware gr…
Cyberattacke auf internes Netz - Stadtwerke Schwerte 2025-03-05
Related actor: Nitrogen
Durch einen Cyberangriff sind interne Dienste derzeit nicht nutzbar. Das Versorgungsnetz ist nicht betroffen. Durch einen Cyberangriff kam es zu einer Störung unseres internen…
Adval Tech Group Cyber-Attack on IT Systems 2025-03-03
Related actor: Lynx
Adval Tech was the target of a cyber-attack on the night to March 2, 2025. The IT systems of the Adval Tech Group were immediately shut down globally, and necessary measures were…

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.