DisclosureLens
GLOBALMalwareTransportation & LogisticsTransportationRansomwareCicada3301Ransom DemandedActor NamedMedium

Narstco

bd_3b6f8c6ed70c927f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Jul 25, 2024

To disclose

Affected

Not disclosed

Linked

2 filings

Confidence

50%
Full breach record for Narstco

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Cicada3301 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: 2024-07-25

Source: Ransomware.live

Post text · scraped from the leak site

NARSTCO is North America's leading manufacturer and supplier of Steel Railroad Ties and Turnouts. NARSTCO Steel Ties are made in the USA from recycled steel. NARSTCO works with Class 1 railways, transit authorities, short line railways, regional railways, and numerous industrial facilities. If a company does not contact us, we will publish the data.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jul 25, 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 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
Leak SiteJul 25 · first · this page

Pattern: first filing Jul 25, last Oct 14 (MA) — a 81-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 2024-06-04

cicada3301

According to ransomware.live, Cicada3301 is a ransomware-as-a-service group (tracked as Repellent Scorpius by Palo Alto) that emerged in mid-2024 using Rust-based ransomware targeting Windows, Linux, and ESXi systems, suspected to be a successor of BlackCat/ALPHV and running an affiliate program with 20% commissions.

75 victims claimed globally75 tracked hereFull profile →