DisclosureLens
GLOBALMalwareConstructionConstructionRansomwareQilinRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Ahtna Incorporated

bd_fdd9e411b4d47941 · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Jul 28, 2025

To disclose

Affected

Not disclosed

Linked

11 filings

Confidence

50%
Full breach record for Ahtna Incorporated

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Qilin 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: ConstructionDiscovered: 2025-08-13

Source: Ransomware.live

Post text · scraped from the leak site

Ahtna Inc., provides construction and integrated services. The company is headquartered in Glennallen, Alaska. Ahtna, Incorporated is Alaska Native Regional Corporations established by Congress under terms of the Alaska Native Claims Settleme ...

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jul 28, 2025

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 11 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Show 5 more filingsup to 207d gap

Filing propagation · 10 filings · 8 states

View merged incident ↗

Pattern: first filing Jul 28, last Feb 20 (TX) — a 207-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 2022-10-08

qilin

According to ransomware.live, Qilin ransomware was first observed in July of 2022. Qilin Ransomware is written in Golang and supports multiple encryption modes; all of which are controlled by the operator. Qilin actors practice double extortion – demanding payment for a decryptor, as well as for the non-release of stolen data.

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