HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumContained

Questo, Inc.

bd_0a81a18aa78e777d · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 9, 2025

Filed

Jul 15, 2026

To disclose

—

Affected

Not disclosed

Linked

6 filings

Confidence

65%

Full breach record for Questo, Inc. →

Questo, Inc. notified affected individuals of a security incident where an unauthorized actor accessed files containing personal information between October 1 and October 9, 2025. Questo detected the activity on October 9, 2025, and confirmed the unauthorized access on June 22, 2026. The company engaged outside cybersecurity professionals and Kroll for identity monitoring services.

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Incident timeline

undetected · 8 days

Oct 1, 2025

Begins

Oct 9, 2025

Discovered

Jul 15, 2026

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

California State AGbd_a5c6ff979e16a9d82026-07-16 · +1dCandidate
Massachusetts State AGbd_1b7a85c31a3fd63b2026-07-17 · +2dVerified
Texas State AGbd_6a303fe2629f33262026-07-17 · +2dVerified
Vermont State AGbd_748d4d39d0e167ff2026-07-22 · +7dVerified

Show 1 more filing ↓up to 8d gap

New Hampshire State AGbd_b7acf1d77c834d252026-07-23 · +8dVerified

Name: Questo, Inc.
norm: questo

Name: Questo, Inc.
norm: questo
Industry: Technologyllm

Discovered: Oct 9, 2025
Breach occurred: Oct 1, 2025 – Oct 9, 2025
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External

During the incident: Secured our network
Launched an investigation in consultation with outside cybersecurity professionals
Devoted considerable time and effort to determine what, if any, information was impacted
Secured the services of Kroll to provide identity monitoring
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your personal information
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Nebraska State AGJul 15 · first · this page

California State AG+1d

Massachusetts State AG+2d

Texas State AG+2d

Vermont State AG+7d

New Hampshire State AG+8d

Pattern: first filing Jul 15 (NE), last Jul 23 (NH) — a 8-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://nebraska.gov/ago/data-breach/documents/7f98d96a-f87f-4ce1-8b57-2df0c9f63ef8.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 15, 2026
Raw hash: c53c1f3453b408541ea7b4f4e38e283d20b5f8452c7e5a026f9c9639b440dba7

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityQuesto, Inc.

Victim entityQuesto, Inc.

Incidentdiscovered Oct 9, 2025

Stated responseSecured our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov