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: 2025-09-24 → 2025-09-30 UTC
Choose a report date
Previous week Next week
Observed events
132
Public claims in the selected week
Data leak indicators
95
72.0% of observed events
Active actors
27
Distinct groups with observed activity
Torrent-linked events
10
Events intersecting with torrent intelligence

What changed this week?

•
Qilin generated the highest visible claim volume this week, representing 25.8% of observed events.
•
72.0% 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 15 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.
•
10 observed events in this week intersected with torrent intelligence, which is useful for understanding data-distribution tactics beyond plain leak-site posts.
•
2 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 2025-09-30 UTC.
Leak sites observed this week
27
Leak sites online near report date
2
Threat actor profiles updated this week
5
Countries represented this week
27
Sectors represented this week
66

Top active actors

By observed claim volume
Qilin
34 events · 32 leak indicators
Akira
24 events · 10 leak indicators
Devman
7 events · 7 leak indicators
PLAY
7 events · 7 leak indicators
DragonForce
6 events · 6 leak indicators
J Group
6 events · 0 leak indicators
Medusa
5 events · 4 leak indicators
INC Ransom
4 events · 3 leak indicators

Emerging or resurfacing actors

No matching activity in prior 30 days
  • Arachna 2 events
  • Radiant 1 event

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States74
  • Akira18 events · 6 leak indicators
  • Qilin16 events · 15 leak indicators
  • PLAY7 events · 7 leak indicators
  • Devman5 events · 5 leak indicators
  • DragonForce3 events · 3 leak indicators
  • J Group3 events · 0 leak indicators
  • Lynx3 events · 3 leak indicators
  • Medusa3 events · 2 leak indicators
South Korea10
  • Qilin10 events · 10 leak indicators
United Kingdom7
  • Anubis1 event · 0 leak indicators
  • Devman1 event · 1 leak indicator
  • DragonForce1 event · 1 leak indicator
  • J Group1 event · 0 leak indicators
  • Lynx1 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
  • Radiant1 event · 0 leak indicators
Germany6
  • Akira1 event · 1 leak indicator
  • DragonForce1 event · 1 leak indicator
  • INC Ransom1 event · 1 leak indicator
  • J Group1 event · 0 leak indicators
  • Qilin1 event · 0 leak indicators
  • Sarcoma1 event · 1 leak indicator
Canada4
  • Akira1 event · 0 leak indicators
  • Devman1 event · 1 leak indicator
  • INC Ransom1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
Spain3
  • Arachna1 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
  • RALord1 event · 1 leak indicator
Brazil2
  • MyData1 event · 0 leak indicators
  • Space Bears1 event · 1 leak indicator
France2
  • DragonForce1 event · 1 leak indicator
  • RALord1 event · 1 leak indicator

Sector mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
Construction15
  • J Group3 events · 0 leak indicators
  • Akira2 events · 1 leak indicator
  • Devman2 events · 2 leak indicators
  • DragonForce2 events · 2 leak indicators
  • Lynx2 events · 2 leak indicators
  • PLAY2 events · 2 leak indicators
  • Medusa1 event · 1 leak indicator
  • Sarcoma1 event · 1 leak indicator
Investment Management9
  • Qilin9 events · 9 leak indicators
Manufacturing7
  • Qilin3 events · 3 leak indicators
  • Akira2 events · 0 leak indicators
  • Gentlemen1 event · 0 leak indicators
  • PLAY1 event · 1 leak indicator
Real Estate4
  • Akira1 event · 1 leak indicator
  • DragonForce1 event · 1 leak indicator
  • Qilin1 event · 0 leak indicators
  • Sinobi1 event · 1 leak indicator
Telecommunications4
  • Kill Security1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
  • PEAR1 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
Wholesale4
  • Akira2 events · 1 leak indicator
  • Qilin1 event · 0 leak indicators
  • Sarcoma1 event · 1 leak indicator
Appliances, Electrical, and Electronics Manufacturing3
  • Akira2 events · 1 leak indicator
  • Gentlemen1 event · 0 leak indicators
Architecture and Planning3
  • Akira3 events · 2 leak indicators

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 51-200 employees 43
  • 11-50 employees 32
  • 201-500 employees 20
  • 1,001-5,000 employees 9
  • 2-10 employees 6
  • 501-1,000 employees 6

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
J Group IT Services and IT Consulting Germany Claim only 2025-09-30
SECUROTROP Retail Luxury Goods and Jewelry United States Claim only 2025-09-30
DragonForce Legal Services United States Data leak 2025-09-30
Anubis Warehousing and Storage United Kingdom Claim only 2025-09-30
PLAY Machinery Manufacturing United States Data leak 2025-09-30
Qilin Primary and Secondary Education United States Data leak 2025-09-30
SECUROTROP Law Practice United States Data leak 2025-09-30
Akira Paper and Forest Products United States Claim only 2025-09-30
Akira IT Services and IT Consulting United States Claim only 2025-09-30
Akira Truck Transportation United States Claim only 2025-09-30
Akira Real Estate United States Data leak 2025-09-30
Akira Machinery Manufacturing Switzerland Data leak 2025-09-30

News and research context

Recent articles from the same time window.
老舗切削工具メーカーにランサムウェア　サーバー暗号化被害 | サイバーセキュリティ総研 2025-09-30
切削工具メーカー「天龍製鋸」社の米国子会社「TENRYU AMERICA, INC.」がランサムウェアに感染した。 サーバー内の業務データが暗号化される事態になっている。 同社によると、現地時間2025年9月21日に外部から不正アクセスを受け、翌22日にサーバーに保存されていた各種ファイルが暗号化されていることを確認したという。 現在、一部データ…
Japanese brewing giant Asahi hit by cyber-attack 2025-09-30
Japanese brewing giant Asahi has been hit by a cyber-attack that has caused a "systems failure" affecting the company's shipping and customer service operations. Asahi said the…

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.