Substitute Teacher Service
ent_12118f9ae0d1670a
Disclosures
8
State AG · Leak Site · 6 jurisdictions
Incidents
2
filings grouped by incident
Max affected reported
45,886
nationwide · State AG IN
Leak-site claims
1
unverified actor claims
Identity resolution
- Canonical name
- Substitute Teacher Service
- Normalized
- substitute teacher service— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- thesubservice.com
Disclosure history (8)newest first
- 💎Delaware State AGas victim2025-04-10
Substitute Teacher Service, Inc. notified employees of a data security event where an unauthorized actor accessed database files containing names, SSNs, driver's license numbers, and financial account details. The incident was discovered on January 9, 2025, following suspicious activity. STS engaged forensic teams and is offering 12 months of credit monitoring.
- 🦀Maryland State AGas victim2025-03-12
Substitute Teacher Service, Inc. notified the Maryland AG that an unauthorized actor acquired database files containing names, SSNs, driver's license numbers, and financial account info from 138 Maryland residents. The incident was discovered on Jan 9, 2025, with unauthorized access occurring on Dec 22, 2024. Notifications were sent on March 3, 2025, offering 12 months of credit monitoring.
- 🦬Montana State AGas victim2025-03-12
Substitute Teacher Service, Inc. reported a data breach to the Montana Attorney General. The breach was reported on 2025-03-12. The breach occurred from 12/22/2024 to 01/23/2025. 2 Montana residents were affected.
- ⛰️New Hampshire State AGas victim2025-03-12
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.
- 💎Delaware State AGas victim2025-03-03
Substitute Teacher Service, Inc. notified individuals of a data security event where an unauthorized actor accessed database files containing names, SSNs, driver's license numbers, and financial account information. The incident was discovered on January 9, 2025, involving activity starting December 22, 2024. The company engaged forensic teams and is offering credit monitoring services.
- 🏎️Indiana State AGas victim2025-03-03
Substitute Teacher Service Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2024-12-22 and was reported on 2025-03-03. 2 Indiana residents were affected. 45,886 individuals affected in total.
- 💎Delaware State AGas victim2025-03-03
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.
- GLOBALLeak Siteas victim2025-02-08
Status: 6d 1h 50m 24s - Size Data: 210 GB