HackingTechnologyInformationStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountEmploymentMediumActive

Idaho National Laboratory's

bd_7db1f18bf2657d94 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 20, 2023

Filed

Dec 12, 2023

To disclose

22 days

Affected

253state residents only

Linked

4 filings

Confidence

65%

Full breach record for Idaho National Laboratory's →2 incidents on file

Idaho National Laboratory (INL) notified affected individuals of a cyber data breach occurring on November 19, 2023, at an off-site data center. Sensitive PII, including SSNs, salary, and banking details, was exposed. INL restricted access, alerted federal law enforcement (DOE, FBI, CISA), and offered 12 months of Experian IdentityWorks. The incident is under active investigation.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 22 days

Nov 19, 2023

Begins

Nov 20, 2023

Discovered

Dec 12, 2023

Filed

vs. sector median

16 wks faster

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

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitesiegedsecbd_caf4dab23190d0132023-11-26 · +16dVerified by operator

Regulatory filings (2) · sorted by filing gap

Washington State AGbd_fd4794b89555bbe32023-12-08 · +4dCandidate
New Hampshire State AGbd_e8a0d7229e6e0d0f2023-12-18 · +6dVerified

Name: Idaho National Laboratory's
norm: idaho national laboratory s
Domain: inl.gov

Name: Idaho National Laboratory's
norm: idaho national laboratory s
Domain: inl.gov
Industry: Technologyllm

Discovered: Nov 20, 2023
Breach occurred: Nov 19, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Dec 12, 2023
Affected individuals: 253state-resident count only
Data types: Identity (basic)Government IDFinancial accountEmployment
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Investigation by federal agencies including the Department of EnergyInvestigation by Federal Bureau of InvestigationInvestigation by the Department of Homeland Security’s Cybersecurity and Infrastructure Security Agency
Initial access: valid_credentials

During the incident: Worked to restrict access to the server that was involved in the breach
Alerted federal law enforcement agencies
Began the process of confirming the individuals and the types of information that were compromised
Notified impacted individuals and lab stakeholders through internal and external means
Offered complimentary access to Experian IdentityWorks for 12 months
Changes made: Offered complimentary access to Experian IdentityWorks for 12 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 days(22 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Washington State AGDec 8 · first

Montana State AG+4d · this page

New Hampshire State AG+10d

Pattern: first filing Dec 8 (WA), last Dec 18 (NH) — a 10-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-938.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 12, 2023
Raw hash: 4af01ef71e496b8a7c4efefeeac159ae0a36631ad620333096be3da7d3b65a29

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entityIdaho National Laboratory's

Victim entityIdaho National Laboratory's

Incidentdiscovered Nov 20, 2023

Stated responseWorked to restrict access to the server that was involved in the breach

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov