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: 2024-10-19 → 2024-10-25 UTC
Choose a report date
Previous week Next week
Observed events
134
Public claims in the selected week
Data leak indicators
79
59.0% of observed events
Active actors
29
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 20.1% of observed events.
•
59.0% 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 12 observed events.
•
3 actor(s) appeared active this week without matching activity in the prior 30-day lookback, suggesting fresh campaigns, rebrands, or resurfacing infrastructure.

Coverage snapshot

As of 2024-10-25 UTC.
Leak sites observed this week
29
Leak sites online near report date
0
Threat actor profiles updated this week
0
Countries represented this week
22
Sectors represented this week
62

Top active actors

By observed claim volume
RansomHub
27 events · 26 leak indicators
Fog
12 events · 0 leak indicators
Blacksuit
10 events · 4 leak indicators
Kill Security
8 events · 2 leak indicators
Hunters International
7 events · 7 leak indicators
BlackBasta
6 events · 6 leak indicators
PLAY
6 events · 6 leak indicators
RA Group
6 events · 0 leak indicators

Emerging or resurfacing actors

No matching activity in prior 30 days
  • RA Group 6 events
  • Monti 1 event
  • Space Bears 1 event

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States69
  • RansomHub11 events · 11 leak indicators
  • Fog10 events · 0 leak indicators
  • Blacksuit7 events · 2 leak indicators
  • PLAY6 events · 6 leak indicators
  • BlackBasta5 events · 5 leak indicators
  • Everest3 events · 0 leak indicators
  • INTERLOCK3 events · 3 leak indicators
  • Lynx3 events · 3 leak indicators
India11
  • Kill Security6 events · 2 leak indicators
  • RansomHub2 events · 2 leak indicators
  • Hunters International1 event · 1 leak indicator
  • Lynx1 event · 1 leak indicator
  • RA Group1 event · 0 leak indicators
Canada7
  • BianLian1 event · 0 leak indicators
  • Blacksuit1 event · 0 leak indicators
  • Hunters International1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
  • Nitrogen1 event · 1 leak indicator
  • RA Group1 event · 0 leak indicators
  • Rhysida1 event · 1 leak indicator
United Kingdom6
  • MEOW3 events · 0 leak indicators
  • Cactus1 event · 1 leak indicator
  • Cicada33011 event · 1 leak indicator
  • Hunters International1 event · 1 leak indicator
France5
  • RansomHub5 events · 5 leak indicators
Germany5
  • BlackBasta1 event · 1 leak indicator
  • Fog1 event · 0 leak indicators
  • Medusa1 event · 0 leak indicators
  • RA Group1 event · 0 leak indicators
  • Sarcoma1 event · 1 leak indicator
Italy5
  • Blacksuit1 event · 1 leak indicator
  • INTERLOCK1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
  • Monti1 event · 0 leak indicators
  • RansomHub1 event · 1 leak indicator
Mexico3
  • Arcus Media1 event · 0 leak indicators
  • LockBit 3.01 event · 1 leak indicator
  • 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.
Construction12
  • RansomHub5 events · 5 leak indicators
  • PLAY3 events · 3 leak indicators
  • Lynx1 event · 1 leak indicator
  • Medusa1 event · 1 leak indicator
  • MEOW1 event · 0 leak indicators
  • Nitrogen1 event · 1 leak indicator
Appliances, Electrical, and Electronics Manufacturing7
  • RansomHub2 events · 2 leak indicators
  • BlackBasta1 event · 1 leak indicator
  • Hunters International1 event · 1 leak indicator
  • INTERLOCK1 event · 1 leak indicator
  • RA Group1 event · 0 leak indicators
  • Sarcoma1 event · 1 leak indicator
Law Practice6
  • BianLian2 events · 0 leak indicators
  • BlackBasta1 event · 1 leak indicator
  • Hunters International1 event · 1 leak indicator
  • RA Group1 event · 0 leak indicators
  • Rhysida1 event · 1 leak indicator
Manufacturing5
  • Fog2 events · 0 leak indicators
  • PLAY1 event · 1 leak indicator
  • Sarcoma1 event · 1 leak indicator
  • Space Bears1 event · 1 leak indicator
Hospitals and Health Care4
  • Blacksuit1 event · 1 leak indicator
  • Everest1 event · 0 leak indicators
  • INTERLOCK1 event · 1 leak indicator
  • Kill Security1 event · 0 leak indicators
IT Services and IT Consulting4
  • Arcus Media1 event · 0 leak indicators
  • Hunters International1 event · 1 leak indicator
  • Kill Security1 event · 1 leak indicator
  • RansomHub1 event · 1 leak indicator
Medical Practice4
  • Everest2 events · 0 leak indicators
  • 3AM1 event · 1 leak indicator
  • Kill Security1 event · 1 leak indicator
Automation Machinery Manufacturing3
  • RansomHub2 events · 2 leak indicators
  • Medusa1 event · 0 leak indicators

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 51-200 employees 42
  • 11-50 employees 35
  • 201-500 employees 21
  • 1,001-5,000 employees 7
  • 501-1,000 employees 7
  • 10,001+ employees 3

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 Civil Engineering Canada Data leak 2024-10-25
Medusa Automation Machinery Manufacturing Germany Claim only 2024-10-25
RansomHub Building Materials Peru Claim only 2024-10-25
Nitrogen Construction Canada Data leak 2024-10-25
Fog Education Administration Programs United States Claim only 2024-10-25
Underground Hospitality United States Claim only 2024-10-25
RA Group Law Practice Egypt Claim only 2024-10-25
Hunters International Oil and Gas Canada Data leak 2024-10-25
Hunters International Primary Metal Manufacturing India Data leak 2024-10-25
Fog Utilities United States Claim only 2024-10-25
Sarcoma Manufacturing Australia Data leak 2024-10-25
Rhysida Law Practice Canada Data leak 2024-10-25

News and research context

Recent articles from the same time window.
Avast Releases Free Decryptor for Mallox Ransomware 2024-10-23
Related actor: Mallox
Anti-malware vendor Avast on Tuesday published a free decryption tool to help victims to recover from the Mallox ransomware attacks. First observed in 2021 and also known as Fa…
Karat Packaging Inc. - FORM 8-K | SEC.gov 2024-10-23
On October 18, 2024, Karat Packaging Inc. (the “Company”) discovered unauthorized third-party access to its information systems. Upon detecting the incident, the Company activated…
Akira ransomware continues to evolve 2024-10-21
Related actor: Akira
Akira continues to cement its position as one of the most prevalent ransomware operations in the threat landscape, according to Cisco Talos’ findings and analysis. Their succes…
Angriff auf IT-Infrastruktur des BBZ Schaffhausen 2024-10-21
Das Berufsbildungszentrum des Kantons Schaffhausen (BBZ) wurde am 2. Oktober 2024 Opfer eines Cyberangriffes. IT-Fachpersonen der Schule sowie der kantonalen Verwaltung haben umge…

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.