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: 2024-06-01 → 2024-06-07 UTC
Choose a report date
Previous week Next week
Observed events
56
Public claims in the selected week
Data leak indicators
38
67.9% of observed events
Active actors
20
Distinct groups with observed activity
Torrent-linked events
1
Events intersecting with torrent intelligence

What changed this week?

•
Medusa generated the highest visible claim volume this week, representing 14.3% of observed events.
•
67.9% 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.
•
2 actor(s) appeared active this week without matching activity in the prior 30-day lookback, suggesting fresh campaigns, rebrands, or resurfacing infrastructure.
•
1 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 2024-06-07 UTC.
Leak sites observed this week
20
Leak sites online near report date
1
Threat actor profiles updated this week
1
Countries represented this week
21
Sectors represented this week
37

Top active actors

By observed claim volume
Medusa
8 events · 8 leak indicators
BlackBasta
7 events · 6 leak indicators
Arcus Media
6 events · 0 leak indicators
LockBit 3.0
6 events · 5 leak indicators
Akira
5 events · 1 leak indicator
BianLian
3 events · 3 leak indicators
Mallox
3 events · 0 leak indicators
RansomHub
3 events · 3 leak indicators

Emerging or resurfacing actors

No matching activity in prior 30 days
  • SenSayQ 2 events
  • Daixin 1 event

Country mix

Share of weekly events across the last 12 reporting windows. Click to expand top actors for this week.
United States29
  • Medusa8 events · 8 leak indicators
  • BlackBasta4 events · 4 leak indicators
  • LockBit 3.04 events · 4 leak indicators
  • Akira2 events · 0 leak indicators
  • Hunters International2 events · 2 leak indicators
  • BianLian1 event · 1 leak indicator
  • Blacksuit1 event · 1 leak indicator
  • Cactus1 event · 1 leak indicator
United Kingdom4
  • Akira1 event · 1 leak indicator
  • Arcus Media1 event · 0 leak indicators
  • BianLian1 event · 1 leak indicator
  • BlackBasta1 event · 0 leak indicators
Australia2
  • Akira1 event · 0 leak indicators
  • BianLian1 event · 1 leak indicator
Colombia2
  • Arcus Media2 events · 0 leak indicators
Germany2
  • Akira1 event · 0 leak indicators
  • Arcus Media1 event · 0 leak indicators
Japan2
  • 8BASE2 events · 2 leak indicators
Argentina1
  • Mallox1 event · 0 leak indicators
Bosnia and Herzegovina1
  • Arcus Media1 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
  • Akira1 event · 0 leak indicators
  • BianLian1 event · 1 leak indicator
  • BlackBasta1 event · 0 leak indicators
  • Cactus1 event · 1 leak indicator
  • dAnon1 event · 1 leak indicator
  • Hunters International1 event · 1 leak indicator
Government Administration3
  • Arcus Media1 event · 0 leak indicators
  • Daixin1 event · 1 leak indicator
  • Mallox1 event · 0 leak indicators
IT Services and IT Consulting3
  • Arcus Media1 event · 0 leak indicators
  • Mallox1 event · 0 leak indicators
  • Medusa1 event · 1 leak indicator
Machinery Manufacturing3
  • BlackBasta1 event · 1 leak indicator
  • LockBit 3.01 event · 1 leak indicator
  • Qilin1 event · 1 leak indicator
Transportation, Logistics, Supply Chain and Storage3
  • Arcus Media2 events · 0 leak indicators
  • Medusa1 event · 1 leak indicator
Law Practice2
  • DragonForce1 event · 1 leak indicator
  • Mallox1 event · 0 leak indicators
Manufacturing2
  • Akira1 event · 0 leak indicators
  • BlackBasta1 event · 1 leak indicator
Oil and Gas2
  • Blacksuit1 event · 1 leak indicator
  • Hunters International1 event · 1 leak indicator

Organization size bands

Share of weekly events by employee-size group across the last 12 reporting windows.
  • 51-200 employees 20
  • 11-50 employees 15
  • 1,001-5,000 employees 5
  • 201-500 employees 5
  • 10,001+ employees 3
  • 2-10 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
BianLian Transportation/Trucking/Railroad United States Data leak 2024-06-07
LockBit 3.0 Hospitals and Health Care United States Data leak 2024-06-07
Qilin Machinery Manufacturing United States Data leak 2024-06-07
BlackBasta Chemical Manufacturing Turkey Data leak 2024-06-07
BlackBasta Manufacturing United States Data leak 2024-06-07
Akira Construction United States Claim only 2024-06-07
Hunters International Oil and Gas United States Data leak 2024-06-07
INC Ransom Footwear Manufacturing Portugal Data leak 2024-06-07
Medusa Wellness and Fitness Services United States Data leak 2024-06-06
Medusa Accounting United States Data leak 2024-06-06
Medusa Performing Arts United States Data leak 2024-06-06
Medusa Medical Practice United States Data leak 2024-06-06

News and research context

Recent articles from the same time window.
Cyber Attack IT-hotellet 2024-06-07
Dubex A/S har siden fredag assisteret IT-hotellet med et alvorligt cyberangreb. Thomas Vandsted Nielsen har i denne forbindelse bedt os dele nedenstående meddelelse med jer.…
RansomHub: New Ransomware has Origins in Older Knight 2024-06-05
Related actor: RansomHub
RansomHub, a new Ransomware-as-a-Service (RaaS) that has rapidly become one of the largest ransomware groups currently operating, is very likely an updated and rebranded version o…
ARRL says it was hacked by an 2024-06-04
American Radio Relay League (ARRL) has shared more information about a May cyberattack that took its Logbook of the World offline and caused some members to become frustrated over…
Synnovis hit by major cyber incident/ransomware 2024-06-04
???? NEW: Operations across 2 major London hospitals @GSTTnhs & @KingsCollegeNHS have been cancelled due to a cyber attack, with all transplant surgery at @RBandH axed. Problem…

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.