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: 2025-04-30 → 2025-05-06 UTC
Choose a report date
Previous week Next week
Observed events
88
Public claims in the selected week
Data leak indicators
59
67.0% of observed events
Active actors
23
Distinct groups with observed activity
Torrent-linked events
3
Events intersecting with torrent intelligence

What changed this week?

•
Qilin generated the highest visible claim volume this week, representing 20.5% of observed events.
•
67.0% 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 7 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.
•
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 2025-05-06 UTC.
Leak sites observed this week
23
Leak sites online near report date
1
Threat actor profiles updated this week
1
Countries represented this week
21
Sectors represented this week
52

Top active actors

By observed claim volume
Qilin
18 events · 11 leak indicators
PLAY
16 events · 16 leak indicators
Brain Cipher
6 events · 0 leak indicators
Akira
5 events · 3 leak indicators
Hunters International
5 events · 1 leak indicator
LockBit 3.0
4 events · 3 leak indicators
Lynx
4 events · 4 leak indicators
Sarcoma
4 events · 3 leak indicators

Emerging or resurfacing actors

No matching activity in prior 30 days
  • Monti 1 event
  • Orca 1 event

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States51
  • Qilin14 events · 10 leak indicators
  • PLAY11 events · 11 leak indicators
  • Akira4 events · 2 leak indicators
  • Hunters International4 events · 0 leak indicators
  • LockBit 3.04 events · 3 leak indicators
  • Medusa3 events · 3 leak indicators
  • INTERLOCK2 events · 2 leak indicators
  • Lynx2 events · 2 leak indicators
Canada5
  • PLAY2 events · 2 leak indicators
  • INTERLOCK1 event · 1 leak indicator
  • Rhysida1 event · 1 leak indicator
  • Sarcoma1 event · 1 leak indicator
Spain4
  • Brain Cipher2 events · 0 leak indicators
  • IMN Crew1 event · 1 leak indicator
  • RansomHouse1 event · 0 leak indicators
Italy3
  • INC Ransom1 event · 1 leak indicator
  • Qilin1 event · 0 leak indicators
  • Sarcoma1 event · 0 leak indicators
Japan3
  • Gunra1 event · 0 leak indicators
  • Lynx1 event · 1 leak indicator
  • Qilin1 event · 0 leak indicators
Belgium2
  • RansomHouse1 event · 0 leak indicators
  • Sarcoma1 event · 1 leak indicator
France2
  • Qilin1 event · 0 leak indicators
  • Termite1 event · 1 leak indicator
Germany2
  • Lynx1 event · 1 leak indicator
  • RansomHouse1 event · 1 leak indicator

Sector mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
Construction7
  • Akira2 events · 2 leak indicators
  • Medusa2 events · 2 leak indicators
  • Hunters International1 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
  • Qilin1 event · 0 leak indicators
Industrial Machinery Manufacturing4
  • Hunters International1 event · 0 leak indicators
  • PLAY1 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
  • RansomHouse1 event · 0 leak indicators
IT Services and IT Consulting4
  • Kill Security1 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
  • Qilin1 event · 0 leak indicators
  • Skira1 event · 0 leak indicators
Law Practice4
  • Akira2 events · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
Government Administration3
  • Qilin1 event · 1 leak indicator
  • RansomHouse1 event · 0 leak indicators
  • Rhysida1 event · 1 leak indicator
Insurance3
  • Brain Cipher1 event · 0 leak indicators
  • LockBit 3.01 event · 0 leak indicators
  • PLAY1 event · 1 leak indicator
Medical Practice3
  • Everest1 event · 0 leak indicators
  • Hunters International1 event · 0 leak indicators
  • Qilin1 event · 1 leak indicator
Wholesale3
  • PLAY1 event · 1 leak indicator
  • Qilin1 event · 0 leak indicators
  • Sarcoma1 event · 1 leak indicator

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 51-200 employees 30
  • 11-50 employees 20
  • 201-500 employees 16
  • 1,001-5,000 employees 7
  • 501-1,000 employees 7
  • 2-10 employees 5

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
Orca Transportation, Logistics, Supply Chain and Storage Austria Claim only 2025-05-06
Qilin Law Practice United States Data leak 2025-05-06
Qilin Design Services United States Claim only 2025-05-06
Qilin Construction United States Claim only 2025-05-06
Qilin Hospitals and Health Care United States Claim only 2025-05-06
Qilin Real Estate United States Claim only 2025-05-06
LockBit 3.0 Financial Services United States Data leak 2025-05-06
Medusa Individual and Family Services United States Data leak 2025-05-06
Medusa Construction United States Data leak 2025-05-06
Everest Medical Practice United States Claim only 2025-05-06
Akira Law Practice United States Claim only 2025-05-06
RansomHouse Government Administration Belgium Claim only 2025-05-06

News and research context

Recent articles from the same time window.
West Lothian schools hit by ransomware cyberattack 2025-05-06
Related actor: INTERLOCK
Schools in West Lothian have been the victim of a suspected criminal ransomware cyberattack. A council spokesperson said the attack had affected its education network and conti…
Cyberangriff auf die Stadtverwaltung 2025-05-04
Cyberangriff auf die Stadtverwaltung Die Stadtverwaltung Ellwangen ist Ziel eines Cyberangriffs geworden. Am 24.04.2025 wurden Unregelmäßigkeiten in den IT-Systemen festgestell…
Ransomware Threat Evolution Q1 2025 2025-05-02
Ransomware threat actors continue to target remote access vectors, with virtual private network (VPN) access remaining the most dominant entry point. However, there are some shift…

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.