DisclosureLens
GLOBALMalwareTransportation & LogisticsTransportationRansomwareSarcomaRansom DemandedActor NamedMedium

Rio Marine

bd_cb8465939f148ecf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Sep 17, 2024

To disclose

Affected

Not disclosed

Linked

4 filings

Confidence

50%
Full breach record for Rio Marine2 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Sarcoma on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Transportation/LogisticsDiscovered: 2025-03-22

Source: Ransomware.live

Post text · scraped from the leak site

Our History and Growth Ronald Dansby, with his many years of experience in the marine industry, quickly sought to make Rio achieve its greatest potential. Expanding and improving the quality of the services provided was the first step to getting Rio where it is today. Rio now has experienced technicians to help in the fields of electrical devices and general problems, barge and engine maintenance, audio gauging of barge hulls, and controls and hydraulics. Our superior service and our many office locations have made Rio a very recognized and respected service company that has served faithfully since 1929. Company Timeline 1929 to 2023 1929 Founding of Glynn Electric Originally Glynn Electric, Rio Marine was founded back in 1929 by Leo Glynn. 2002 Business sold to Ronald Dansby With his many years of experience in the marine industry, Ronald Dansby quickly sought to make Rio achieve its greatest potential. Expanding and improving the quality of the services provided was the first step to getting Rio where it is today. 2000s Rio Expansion Rio Marine has not only expanded its services, but also the locations. Offices are now located along the Gulf Coast, ranging from Corpus Christi, TX to Mobile, AL. The scattered locations provide Rio with a distinct advantage in its timely services, allowing a swift response to almost anywhere along the Gulf Coast. 2023 Rio Marine adds new divisions to broaden our service capabilities: Rio Marine Rio Controls & Hydraulics Rio Electronics Rio Power Management New Houston Office Rio moves into new updated Houston office in Channelview to better serve our clients.Geo: USA - Leak size: 166 GB Archive - Contains: Files

Incident timeline — mostly unverified

? — ?

Breach window unknown

Sep 17, 2024

Claim posted

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 3 states

View merged incident ↗
Leak SiteSep 17 · first · this page

Pattern: first filing Sep 17, last Jun 6 (IN) — a 262-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2024-07-09

sarcoma

According to ransomware.live, Sarcoma is a ransomware group that debuted in October 2024, immediately ranking among the top three most active groups globally and surpassing 116 documented victims by mid-2025, targeting mid-market companies across manufacturing, retail, healthcare, legal, and business services with roughly 50% of victims in the United States.

141 victims claimed globally141 tracked hereFull profile →