HackingStolen CredentialsCustomer Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTMediumContained
Substitute Teacher Service
bd_86443b1040eb4e9e · schema v1 · pii pii-v1
Full breach record for Substitute Teacher Service →Substitute Teacher Service, Inc. (STS) notified individuals of a data security event where an unauthorized actor acquired database files from STS's systems starting December 22, 2024. STS discovered suspicious activity on January 9, 2025. Affected data included names, SSNs, driver's license numbers, and financial account details. STS engaged forensic teams, enhanced security measures, and offered credit monitoring.
This filing is one of 4 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- bd_05ca8d0db65cf27cDelaware State AGfiled 2025-03-03Candidate
- bd_5e41e7fee095d80bIndiana State AGfiled 2025-03-03Verified
- bd_126e3a2896b55268Delaware State AGfiled 2025-04-10(38d gap)Candidate
Source provenance
- Source URL
- https://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2025/03/REG_Rev2.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Mar 3, 2025
- Raw hash
- 2828e3d72f4b3df12ebe5b3f750c6ac1712fbe1098b6c09f4f14a830238620fa
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
- —
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing Application
- Threat actor
- External
- Initial access
- exploit_public_facing
Compliance
- Time to disclose
- 8 weeks(53 days from discovery to filing)
- Compliance flags
- — (clock not assessable for this source)
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.