HackingData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Ahtna Incorporated

bd_12ccee8c9159108c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 28, 2025

Filed

Nov 21, 2025

To disclose

17 weeks

Affected

Not disclosed

Linked

11 filings

Confidence

64%

Full breach record for Ahtna Incorporated →

Ahtna, Inc. reported unauthorized access to its systems by a third party between April 20, 2025, and June 1, 2025. The company became aware of the incident on July 28, 2025. The investigation confirmed that certain files containing personal information, including names and Social Security numbers, were acquired by the unauthorized party. Ahtna contained the network, engaged outside professionals for investigation, and is offering 12 months of credit monitoring and identity restoration services to affected individuals.

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Leak gap clock⏱ Leak >90d17 weeks discovery → filing

Incident timeline

undetected · 99 days

discovery → filing · 17 weeks / 116 days

Apr 20, 2025

Begins

Jul 28, 2025

Discovered

Nov 21, 2025

Filed

This filing is one of 11 about the same incident.View merged incident

A leak claim by qilin about this victim predates this filing by 116 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siteqilinbd_d569bf6c1b98ae752025-08-12 · +101dVerified by operator
Leak Siteqilinbd_fdd9e411b4d479412025-07-28 · +116dVerified by operator

Regulatory filings (8) · sorted by filing gap

Maine State AGbd_2ff3c11d1751fbb22025-11-21Candidate
Indiana State AGbd_31c06274ced5bd372025-11-21Verified by operator
Vermont State AGbd_90c6835deaec47512025-11-21Verified by operator
Nebraska State AGbd_bcad1e46b464e8b92025-11-21Verified by operator

Show 4 more filings ↓up to 91d gap

Massachusetts State AGbd_cb0c23b4c2cd68a02025-11-21Verified by operator
New Hampshire State AGbd_f23a1a2a204c96b52025-11-21Verified
California State AGbd_11bf1ab7ad30a6892026-02-19 · +90dVerified
Texas State AGbd_4e509ebc850ec1d92026-02-20 · +91dVerified by operator

Name: Ahtna Incorporated
norm: ahtna
Domain: ahtna.com

Name: Ahtna Incorporated
norm: ahtna
Domain: ahtna.com

Discovered: Jul 28, 2025
Breach occurred: Apr 20, 2025 – Jun 1, 2025
Undetected for: 99 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 21, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Contained the network
Conducted an investigation with the assistance of outside professionals
Notifying individuals whose personal information was identified in the files involved in the event
Reviewing our existing policies and procedures to help reduce the likelihood of a similar event occurring in the future
Offering 12 months of complimentary credit monitoring and identity restoration services through Experian
Changes made: Reviewing our existing policies and procedures to help reduce the likelihood of a similar event occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(116 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

Maine State AGNov 21 · first

Indiana State AGNov 21 · first

Vermont State AGNov 21 · first

Nebraska State AGNov 21 · first

Massachusetts State AGNov 21 · first

New Hampshire State AGNov 21 · first

California State AGNov 21 · first · this page

California State AG+90d

Texas State AG+91d

Pattern: first filing Nov 21 (ME), last Feb 20 (TX) — a 91-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

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

Press / market report

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

State AG / regulator filingThis record

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

SEC 8-K / victim statement

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

Source URL: https://oag.ca.gov/ecrime/databreach/reports/sb24-614613
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 21, 2025
Raw hash: fe8a524a2dbd18ae1371bc5b7ff3a2273e1654bd9eb0b56ae2dc2187b3004f82

Linked disclosures

Ransomware claims (2)

Regulatory filings (8) · sorted by filing gap

Reporting entityAhtna Incorporated

Victim entityAhtna Incorporated

Incidentdiscovered Jul 28, 2025

Stated responseContained the network

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov