HackingEducationEducationTargetedIdentity (basic)Government IDFinancial accountMediumContained

Chambersburg Area School District

bd_3ec3d490a6b1a128 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 27, 2023

Filed

Oct 26, 2023

To disclose

9 weeks

Affected

Not disclosed

Linked

7 filings

Confidence

66%

Full breach record for Chambersburg Area School District →

Chambersburg Area School District notified consumers of a security incident where an unknown actor accessed systems between August 21-26, 2023. The breach impacted school bus driver subcontractors, employees, dependents, and students. Data involved likely included names, SSNs, and financial account numbers. CASD engaged forensic specialists, notified federal law enforcement, and offered Equifax credit monitoring.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday9 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 6 days

discovery → filing · 9 weeks / 60 days

Aug 21, 2023

Begins

Aug 27, 2023

Discovered

Oct 26, 2023

Filed

vs. sector median

2 wks faster

This filing is one of 7 about the same incident.View merged incident

A leak claim by blackbyte about this victim predates this filing by 49 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteblackbytebd_0c4f976668651ce32023-09-07 · +49dVerified by operator

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_37706ed181d3c5dd2023-10-26Verified by operator
Maine State AGbd_3eba95429b4450582023-10-26Verified by operator
New Hampshire State AGbd_5087cfbb8933479f2023-10-26Verified
Indiana State AGbd_ac84984901808e032023-10-26Verified

Show 1 more filing ↓up to 60d gap

Pressblackbytebd_6da3dd924407961e2023-08-27 · +60dCandidate

Name: Chambersburg Area School District
norm: chambersburg area school district

Name: Chambersburg Area School District
norm: chambersburg area school district
Industry: Educationllm

Discovered: Aug 27, 2023
Breach occurred: Aug 21, 2023 – Aug 26, 2023
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 26, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Reported this incident to federal law enforcement and are cooperating with their investigation
Initial access: exploit_public_facing

During the incident: Immediately took steps to secure our systems
Launched an investigation into the nature and scope of the event with the assistance of third-party forensic specialists
Reviewed the affected files in order to identify what information is contained therein
Reported this incident to federal law enforcement and are cooperating with their investigation
Offering credit monitoring and identity protection services for <Term> months through Equifax, at no cost to you
Changes made: Implemented additional security measures to further protect against similar incidents occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(60 days from discovery to filing)
Compliance flags: VT AG >14 bdayLeak >30d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

PressAug 27 · first

Massachusetts State AG+60d

Maine State AG+60d

New Hampshire State AG+60d

Indiana State AG+60d

Vermont State AG+60d · this page

Pattern: first filing Aug 27, last Oct 26 (VT) — a 60-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://ago.vermont.gov/document/2023-10-26-chambersburg-area-school-district-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 26, 2023
Raw hash: ba0c86357f3786b37f0e8d956a19af20dfacbfbe7a53611b000f2688d3326cba

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityChambersburg Area School District

Victim entityChambersburg Area School District

Incidentdiscovered Aug 27, 2023

Stated responseImmediately took steps to secure our systems

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov