Social EngineeringTechnologyInformationPhishingData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

First Advantage Corporation

bd_15d448d2bfc77384 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 17, 2025

Filed

Jun 4, 2026

To disclose

28 weeks

Affected

4state residents only

Linked

15 filings

Confidence

66%

Full breach record for First Advantage Corporation →

First Advantage Corporation notified the New Hampshire Attorney General of a cybersecurity incident affecting approximately 4 New Hampshire residents. An unauthorized actor phished a single employee's credentials and MFA token on November 13, 2025, gaining access to an email inbox. The actor downloaded inbox contents, obtaining Social Security numbers, driver's licenses, and dates of birth. First Advantage disabled the account, engaged forensic experts, and provided 24 months of credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 4 days

discovery → filing · 28 weeks / 199 days

Nov 13, 2025

Begins

Nov 17, 2025

Discovered

Jun 4, 2026

Filed

vs. sector median

+10 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

Texas State AGbd_f38f341da505889b2026-06-09 · +5dVerified
Texas State AGbd_8e533f2a45bfae752026-05-29 · +6dVerified
California State AGbd_ad4377b91320f0382026-06-23 · +19dVerified
Vermont State AGbd_4082b19584e92d012026-06-24 · +20dVerified

Show 6 more filings ↓up to 91d gap

Texas State AGbd_70c9415659c8f8232026-06-25 · +21dCandidate
New Hampshire State AGbd_aeea61f037e62f332026-06-29 · +25dVerified
Texas State AGbd_a5c639bb7f3225112026-07-23 · +49dVerified
New Hampshire State AGbd_e4fb2169f33566b32026-07-27 · +53dVerified
Massachusetts State AGbd_b8dcfd083c0226262026-07-30 · +56dVerified
Texas State AGbd_efcc039ef6dc446c2026-09-03 · +91dVerified by operator

Showing first 10 of 14 linked disclosures.

Name: First Advantage Corporation
norm: first advantage

Name: First Advantage Corporation
norm: first advantage
Industry: Technologyllm

Discovered: Nov 17, 2025
Breach occurred: Nov 13, 2025
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 21, 2026
Affected individuals: 4state-resident count only
Data types: Government IDIdentity (basic)
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 affected account
Activated the company's incident response plan
Engaged outside cybersecurity experts
Launched an investigation
Established a dedicated call center
Changes made: Required number-matching multi-factor authentication (MFA) for all remote network access
Deployed additional automated response tooling that immediately locks employee accounts in the event of MFA token compromise
Updated its policies and procedures for handling disabled accounts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(199 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 · 5 states

View merged incident ↗

Texas State AGMay 29 · first

New Hampshire State AG+6d · this page

Texas State AG+11d

California State AG+25d

Vermont State AG+26d

Texas State AG+27d

New Hampshire State AG+31d

Texas State AG+55d

New Hampshire State AG+59d

Massachusetts State AG+62d

Texas State AG+97d

Pattern: first filing May 29 (TX), last Sep 3 (TX) — a 97-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://mm.nh.gov/files/uploads/doj/remote-docs/first-advantage-20260604.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 4, 2026
Raw hash: bba1e46897712b2db357c8a6b1b560ebe3616b800923be2aae4d5b56b48de9de

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityFirst Advantage Corporation

Victim entityFirst Advantage Corporation

Incidentdiscovered Nov 17, 2025

Stated responseDisabled the affected account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov