HackingStolen CredentialsCapture Stored DataCustomer Data InvolvedTargetedPIIIDENTITY_BASICLowContained
Substitute Teacher Service
bd_96fd64d242721c77 · schema v1 · pii pii-v1
Full breach record for Substitute Teacher Service →Substitute Teacher Service, Inc. reported a data security event where an unauthorized actor acquired database files on December 22, 2024. The breach was detected on January 9, 2025. One New Hampshire resident was affected. STS engaged forensic investigators, enhanced security measures, and offered credit monitoring services to affected individuals.
Leak gap clock⏱ Leak >30d9 weeks discovery → filing
This filing is one of 4 about the same incident.View merged incident
A leak claim by cicada3301 about this victim predates this filing by 32 days.View originating leak claim
Linked disclosures
Why this link?Ransomware claims (1)
- bd_5c5d2147a4a876d8Leak Sitecicada3301filed 2025-02-08(32d gap)Verified by operator
Regulatory filings (2) · sorted by filing gap
- bd_111021992bf6f556Maryland State AGfiled 2025-03-12Verified
- bd_30de5097ad118e4dMontana State AGfiled 2025-03-12Candidate
Source provenance
- Source URL
- https://mm.nh.gov/files/uploads/doj/remote-docs/substitute-teacher-service-20250312.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Mar 12, 2025
- Raw hash
- b3957f0cdf8c9a9ca58f057dbb4aaf24e64069d9669fce3983cde7eb29158c25
Reporting entity
- Name
- Substitute Teacher Servicenorm: substitute teacher service
- Domain
- thesubservice.com
Victim entity
- Name
- Substitute Teacher Servicenorm: substitute teacher service
- Domain
- thesubservice.com
Incident
- Discovered
- Jan 9, 2025
- Materiality determined
- —
- Notification sent
- Mar 3, 2025
- Affected individuals
- 1
- Data types
- PIIIDENTITY_BASIC
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1078 Valid AccountsT1119 Automated Collection
- Threat actor
- External
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 9 weeks(62 days from discovery to filing)
- Compliance flags
- Leak >30d
- Discovery-date grounding
- letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.