Social EngineeringTechnologyProfessional ServicesInformationPhishingStolen CredentialsTargetedCustomer Data InvolvedPIIIdentity (basic)CredentialsLowContained

First Advantage Corporation

bd_fbc21554fe3508b8 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 17, 2025

Filed

Apr 21, 2026

To disclose

22 weeks

Affected

1state residents only

Linked

15 filings

Confidence

66%

Full breach record for First Advantage Corporation →

First Advantage Corporation notified Montana residents of a security incident where an unauthorized third party gained access to an employee's account via phishing on November 13, 2025. The attacker downloaded the employee's email inbox. First Advantage disabled the account and is offering two years of credit monitoring. The incident was discovered on November 17, 2025.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 4 days

discovery → filing · 22 weeks / 155 days

Nov 13, 2025

Begins

Nov 17, 2025

Discovered

Apr 21, 2026

Filed

vs. sector median

+4 wks slower

This filing is one of 15 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

New Hampshire State AGbd_15d448d2bfc773842026-06-04 · +44dVerified
Texas State AGbd_f38f341da505889b2026-06-09 · +49dVerified
California State AGbd_ad4377b91320f0382026-06-23 · +63dVerified
Vermont State AGbd_4082b19584e92d012026-06-24 · +64dVerified

Show 6 more filings ↓up to 135d gap

Texas State AGbd_70c9415659c8f8232026-06-25 · +65dCandidate
New Hampshire State AGbd_aeea61f037e62f332026-06-29 · +69dVerified
Texas State AGbd_a5c639bb7f3225112026-07-23 · +93dVerified
New Hampshire State AGbd_e4fb2169f33566b32026-07-27 · +97dVerified
Massachusetts State AGbd_b8dcfd083c0226262026-07-30 · +100dVerified
Texas State AGbd_efcc039ef6dc446c2026-09-03 · +135dVerified by operator

Showing first 10 of 14 linked disclosures.

Name: First Advantage Corporation
norm: first advantage

Name: First Advantage Corporation
norm: first advantage
Industry: TechnologyllmProfessional Servicesllm

Discovered: Nov 17, 2025
Breach occurred: Nov 13, 2025
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 21, 2026
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)Credentials
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Disabled the employee’s account
Implemented a number of safeguards across our systems to enhance our security
Offering you two years of complimentary credit monitoring and identity restoration services through Cyberscout
Changes made: Implemented a number of safeguards across our systems to enhance our security
Continuing to evaluate additional steps we can take and additional safeguards we can implement to prevent something like this from happening again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(155 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

Montana State AGApr 21 · first · this page

New Hampshire State AG+44d

Texas State AG+49d

California State AG+63d

Vermont State AG+64d

Texas State AG+65d

New Hampshire State AG+69d

Texas State AG+93d

New Hampshire State AG+97d

Massachusetts State AG+100d

Texas State AG+135d

Pattern: first filing Apr 21 (MT), last Sep 3 (TX) — a 135-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 14 — the full spread may be wider.

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/2026/05/Consumer-notification-letter-1.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 21, 2026
Raw hash: a59f769c7cfbc8cecceb20c98505fd535bdf53d17bc409877038a1bb628b1df7

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityFirst Advantage Corporation

Victim entityFirst Advantage Corporation

Incidentdiscovered Nov 17, 2025

Stated responseDisabled the employee’s account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov