HackingStolen CredentialsCustomer Data InvolvedPIIIDENTITY_BASICIDENTITY_GOVERNMENTMediumContained
Questo, Inc.
bd_1b7a85c31a3fd63b · schema v1 · pii pii-v1
Full breach record for Questo, Inc. →Questo, Inc. disclosed a security incident occurring between October 1 and October 9, 2025, where an unauthorized actor accessed files containing personal information. The breach was detected and reported on June 22, 2026. Questo engaged outside cybersecurity professionals, secured its network, and is offering 24 months of identity monitoring via Kroll to affected individuals. No evidence of identity theft was found.
Massachusetts clock✓ MA AG ≤30d9 days discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
This filing is one of 3 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- bd_6a303fe2629f3326Texas State AGfiled 2026-07-17(16d gap)Candidate
- bd_748d4d39d0e167ffVermont State AGfiled 2026-07-22(21d gap)Verified
Source provenance
- Source URL
- https://www.mass.gov/doc/2026-1180-questo-inc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Jul 1, 2026
- Raw hash
- 5450f948bf991f8373aa70b1ab765a076ddf37ba5b22c9ace7625534755d8146
Reporting entity
- Name
- Questo, Inc.norm: questo
Victim entity
- Name
- Questo, Inc.norm: questo
Incident
- Discovered
- Jun 22, 2026
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- Not disclosed
- Data types
- PIIIDENTITY_BASICIDENTITY_GOVERNMENT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid Accounts
- Threat actor
- External
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 9 days(9 days from discovery to filing)
- Compliance flags
- MA AG ≤30d
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.