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: 2024-08-28 → 2024-09-03 UTC
Choose a report date
Previous week Next week
Observed events
132
Public claims in the selected week
Data leak indicators
105
79.5% of observed events
Active actors
24
Distinct groups with observed activity
Torrent-linked events
0
Events intersecting with torrent intelligence

What changed this week?

RansomHub generated the highest visible claim volume this week, representing 22.0% of observed events.
79.5% 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 13 observed events.
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 2024-09-03 UTC.
Leak sites observed this week
24
Leak sites online near report date
1
Threat actor profiles updated this week
2
Countries represented this week
37
Sectors represented this week
64

Top active actors

By observed claim volume
RansomHub
29 events · 29 leak indicators
LockBit 3.0
15 events · 15 leak indicators
Blacksuit
12 events · 11 leak indicators
BianLian
9 events · 5 leak indicators
MEOW
9 events · 0 leak indicators
Monti
9 events · 7 leak indicators
PLAY
7 events · 7 leak indicators
Cicada3301
6 events · 5 leak indicators

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 States63
  • Blacksuit10 events · 9 leak indicators
  • BianLian7 events · 4 leak indicators
  • LockBit 3.06 events · 6 leak indicators
  • PLAY6 events · 6 leak indicators
  • RansomHub6 events · 6 leak indicators
  • Cicada33015 events · 4 leak indicators
  • Qilin4 events · 3 leak indicators
  • Lynx3 events · 3 leak indicators
Canada13
  • Monti8 events · 6 leak indicators
  • Abyss1 event · 1 leak indicator
  • Cactus1 event · 1 leak indicator
  • INC Ransom1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
United Kingdom6
  • RansomHub4 events · 4 leak indicators
  • Cactus1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
Australia4
  • LockBit 3.02 events · 2 leak indicators
  • RansomHub1 event · 1 leak indicator
  • Rhysida1 event · 1 leak indicator
France4
  • RansomHub2 events · 2 leak indicators
  • Brain Cipher1 event · 0 leak indicators
  • LockBit 3.01 event · 1 leak indicator
Belgium3
  • Kill Security1 event · 0 leak indicators
  • MEOW1 event · 0 leak indicators
  • PLAY1 event · 1 leak indicator
Italy3
  • LockBit 3.01 event · 1 leak indicator
  • MEOW1 event · 0 leak indicators
  • RansomHub1 event · 1 leak indicator
Switzerland3
  • RansomHub2 events · 2 leak indicators
  • Cicada33011 event · 1 leak indicator

Sector mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
Construction13
  • Blacksuit2 events · 1 leak indicator
  • MEOW2 events · 0 leak indicators
  • Monti2 events · 1 leak indicator
  • Qilin2 events · 2 leak indicators
  • RansomHub2 events · 2 leak indicators
  • Cactus1 event · 1 leak indicator
  • Cicada33011 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
Accounting7
  • Cicada33013 events · 3 leak indicators
  • BianLian1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • MEOW1 event · 0 leak indicators
  • Monti1 event · 1 leak indicator
Hospitals and Health Care5
  • Blacksuit2 events · 2 leak indicators
  • Kill Security1 event · 0 leak indicators
  • MEOW1 event · 0 leak indicators
  • Qilin1 event · 1 leak indicator
Motor Vehicle Manufacturing5
  • Abyss1 event · 1 leak indicator
  • Blacksuit1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • PLAY1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Government Administration4
  • RansomHub4 events · 4 leak indicators
Legal Services4
  • BianLian2 events · 1 leak indicator
  • Hunters International1 event · 1 leak indicator
  • Rhysida1 event · 1 leak indicator
Medical Practice4
  • Blacksuit2 events · 2 leak indicators
  • RansomHub1 event · 1 leak indicator
  • Rhysida1 event · 1 leak indicator
Real Estate4
  • RansomHub2 events · 2 leak indicators
  • Cicada33011 event · 0 leak indicators
  • Medusa1 event · 1 leak indicator

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 11-50 employees 30
  • 51-200 employees 30
  • 201-500 employees 22
  • 2-10 employees 12
  • 501-1,000 employees 11
  • 1,001-5,000 employees 9

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
Cactus Hospitality United States Data leak 2024-09-03
Cactus Security and Investigations Puerto Rico Data leak 2024-09-03
Cactus Construction United Kingdom Data leak 2024-09-03
RansomHub Real Estate United States Data leak 2024-09-03
Cactus Automation Machinery Manufacturing United States Data leak 2024-09-03
Cactus Machinery Manufacturing Canada Data leak 2024-09-03
RansomHub Medical Practice United States Data leak 2024-09-03
RansomHouse Defense and Space Manufacturing Czech Republic Claim only 2024-09-03
Qilin Construction United States Data leak 2024-09-03
Blacksuit Medical Practice United States Data leak 2024-09-03
Blacksuit Construction United States Data leak 2024-09-03
Medusa Printing Services United States Data leak 2024-09-02

News and research context

Recent articles from the same time window.
We are currently dealing with an ongoing cyber security incident. At present, there is no evidence that any customer data has been compromised and there has been no impact on TfL…
Related actor: RansomHub
The Federal Bureau of Investigation (FBI), the Cybersecurity and Infrastructure Security Agency (CISA), the Multi-State Information Sharing and Analysis Center (MS-ISAC), and the…
On August 21, 2024, the Company discovered unauthorized third-party access to its information systems, including portions of its systems containing certain confidential informatio…

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.