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: 2024-09-21 → 2024-09-27 UTC
Choose a report date
Previous week Next week
Observed events
71
Public claims in the selected week
Data leak indicators
47
66.2% of observed events
Active actors
21
Distinct groups with observed activity
Torrent-linked events
3
Events intersecting with torrent intelligence

What changed this week?

RansomHub generated the highest visible claim volume this week, representing 15.5% of observed events.
66.2% 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 6 observed events.
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 2024-09-27 UTC.
Leak sites observed this week
21
Leak sites online near report date
0
Threat actor profiles updated this week
0
Countries represented this week
22
Sectors represented this week
47

Top active actors

By observed claim volume
RansomHub
11 events · 11 leak indicators
Akira
7 events · 3 leak indicators
Qilin
6 events · 4 leak indicators
Cactus
5 events · 5 leak indicators
Arcus Media
4 events · 0 leak indicators
Data Leak
4 events · 3 leak indicators
PLAY
4 events · 3 leak indicators
Blacksuit
3 events · 1 leak indicator

Emerging or resurfacing actors

No matching activity in prior 30 days
No newly active actor families were detected using the 30-day lookback rule.

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States33
  • RansomHub5 events · 5 leak indicators
  • Qilin4 events · 2 leak indicators
  • Akira3 events · 2 leak indicators
  • Cactus3 events · 3 leak indicators
  • DragonForce3 events · 3 leak indicators
  • Blacksuit2 events · 1 leak indicator
  • Cicada33012 events · 1 leak indicator
  • Lynx2 events · 2 leak indicators
Brazil6
  • Arcus Media4 events · 0 leak indicators
  • Data Leak1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Canada6
  • Akira2 events · 1 leak indicator
  • Data Leak1 event · 1 leak indicator
  • Everest1 event · 0 leak indicators
  • PLAY1 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
United Kingdom3
  • Cactus2 events · 2 leak indicators
  • Medusa1 event · 1 leak indicator
Belgium2
  • Blacksuit1 event · 0 leak indicators
  • Kill Security1 event · 0 leak indicators
Japan2
  • RansomHub2 events · 2 leak indicators
Sweden2
  • Akira1 event · 0 leak indicators
  • RansomHub1 event · 1 leak indicator
Argentina1
  • Trinity1 event · 0 leak indicators

Sector mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
Construction6
  • Cactus2 events · 2 leak indicators
  • Qilin2 events · 2 leak indicators
  • Blacksuit1 event · 0 leak indicators
  • Lynx1 event · 1 leak indicator
Industrial Machinery Manufacturing4
  • RansomHub2 events · 2 leak indicators
  • Arcus Media1 event · 0 leak indicators
  • Cactus1 event · 1 leak indicator
Law Practice4
  • Qilin2 events · 0 leak indicators
  • Cicada33011 event · 1 leak indicator
  • DragonForce1 event · 1 leak indicator
Food and Beverage Manufacturing3
  • Akira1 event · 0 leak indicators
  • DragonForce1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Software Development3
  • Data Leak1 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Business Consulting and Services2
  • Akira1 event · 1 leak indicator
  • BianLian1 event · 0 leak indicators
Engineering Services2
  • Abyss1 event · 1 leak indicator
  • Akira1 event · 0 leak indicators
Food and Beverage Services2
  • Akira1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 51-200 employees 21
  • 11-50 employees 19
  • 201-500 employees 12
  • 2-10 employees 6
  • 501-1,000 employees 6
  • 0-1 employees 1

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
Kill Security Financial Services Vietnam Claim only 2024-09-27
Cactus Construction United States Data leak 2024-09-27
RansomHub Industrial Machinery Manufacturing Japan Data leak 2024-09-27
RansomHub Truck Transportation Brazil Data leak 2024-09-27
RansomHub Interior Design Sweden Data leak 2024-09-27
RansomHub Industrial Machinery Manufacturing Japan Data leak 2024-09-27
RansomHub Legal Services Poland Data leak 2024-09-27
PLAY Warehousing and Storage United States Data leak 2024-09-26
Rhysida Education Administration Programs United States Data leak 2024-09-26
Akira Food and Beverage Manufacturing Germany Claim only 2024-09-26
Lynx Construction United States Data leak 2024-09-26
Blacksuit Retail Belgium Claim only 2024-09-26

News and research context

Recent articles from the same time window.
At 6:22 a.m. on Wednesday, September 25, 2024, an external party temporarily gained access to the City’s servers and attempted to encrypt data files within the network. Automated…
WICHITA, Kan. (KWCH) - The City of Arkansas City maintains that drinking water is safe in the city after a cyberattack on Sunday. Shana Adkisson, communications director with t…

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.