MalwareEducationEducationRansomwareData EncryptedData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountPIIMediumContained

Rockwood R-VI School District

bd_cbd4d23b20bd5835 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 17, 2021

Filed

Aug 23, 2021

To disclose

10 weeks

Affected

7state residents only

Linked

5 filings

Confidence

66%

Full breach record for Rockwood R-VI School District →

Rockwood School District (MO) notified the NH AG of a ransomware attack discovered June 17, 2021. Unauthorized access occurred April 20–June 24, 2021. Data exposed included names, SSNs, DOBs, financial accounts, and student/employee IDs. 7 NH residents affected. Notices sent Aug 19, 2021. Credit monitoring offered.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 58 days

discovery → filing · 10 weeks / 67 days

Apr 20, 2021

Begins

Jun 17, 2021

Discovered

Aug 23, 2021

Filed

vs. sector median

+3 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_4139014124f5df4e2021-08-19 · +4dCandidate
Maine State AGbd_b12b2872a77a2ce62021-08-19 · +4dVerified
Indiana State AGbd_cdda92b0491e60632021-08-19 · +4dVerified
Massachusetts State AGbd_f36dcca0025529d52021-08-19 · +4dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Rockwood R-VI School District
norm: rockwood r vi school district
Industry: Educationllm

Discovered: Jun 17, 2021
Breach occurred: Apr 20, 2021 – Jun 24, 2021
Undetected for: 58 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 19, 2021
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government IDFinancial accountPII
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection Bureau

During the incident: Notified law enforcement
Began an investigation with the assistance of third-party computer forensic specialists
Moved quickly to investigate and respond to the incident
Assessed the security of RSD systems
Notified potentially affected individuals
Posted notice of this incident on its website
Changes made: Implementing additional safeguards and training to its employees
Providing access to credit monitoring services for twelve (12) months
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Reviewed and enhancing existing policies and procedures to reduce the likelihood of a similar future event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(67 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGAug 19 · first

Maine State AGAug 19 · first

Indiana State AGAug 19 · first

Massachusetts State AGAug 19 · first

New Hampshire State AG+4d · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/rockwood-school-district-20210823.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 23, 2021
Raw hash: 8caae9c5cdc30ed99d2bd05409852614dad6d3b13840bb1d6fc24d196d941889

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityRockwood R-VI School District

Incidentdiscovered Jun 17, 2021

Stated responseNotified law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov