Substitute Teacher Service
bd_5c5d2147a4a876d8 · schema v1 · pii pii-v1
Full breach record for Substitute Teacher Service →Threat-actor claim — not a regulatory filing
This row is a claim by the ransomware group Cicada3301 on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.
Source: Ransomware.live
Post text · scraped from the leak site
Status: 6d 1h 50m 24s - Size Data: 210 GB
J jump to incidentP pin to compareR raw source
Incident timeline — mostly unverified
? — ?
Breach window unknown
Feb 8, 2025
Claim posted
—
Corroborated · see linked filings
This record's own dates cannot anchor compliance clocks; see the linked filings.
Claim → filing
—
Compliance clock
Not assessable
Linked disclosures
Why this link?Regulatory filings (7) · sorted by filing gap
- Delaware State AGbd_05ca8d0db65cf27c2025-03-03 · +23dVerified by operator
- Indiana State AGbd_5e41e7fee095d80b2025-03-03 · +23dVerified by operator
- Maryland State AGbd_111021992bf6f5562025-03-12 · +32dVerified
- Montana State AGbd_30de5097ad118e4d2025-03-12 · +32dCandidate
Show 3 more filings ↓Show fewer ↑up to 61d gap
- New Hampshire State AGbd_96fd64d242721c772025-03-12 · +32dVerified
- Massachusetts State AGbd_1e246deb0cae191f2025-03-14 · +34dVerified by operator
- Delaware State AGbd_126e3a2896b552682025-04-10 · +61dVerified by operator
Filing propagation · 7 filings · 6 states
View merged incident ↗Pattern: first filing Mar 3 (DE), last Apr 10 (DE) — a 38-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
Source ceiling
- actor name
- victim claim
- ransom/leak status
- discovery date
- materiality
- notification
- affected count
- confirmed data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
cicada3301
According to ransomware.live, Cicada3301 is a ransomware-as-a-service group (tracked as Repellent Scorpius by Palo Alto) that emerged in mid-2024 using Rust-based ransomware targeting Windows, Linux, and ESXi systems, suspected to be a successor of BlackCat/ALPHV and running an affiliate program with 20% commissions.