HackingEducationEducationStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)PIIMediumContained

Pittsfield Public Schools

bd_b98d1fdd793fd52f · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

May 11, 2026

To disclose

—

Affected

15,000state residents only

Confidence

67%

Full breach record for Pittsfield Public Schools →2 incidents on file

Pittsfield Public Schools notified the Massachusetts AG of a cybersecurity incident involving the Canvas learning management system (Instructure). The breach potentially exposed student names, email addresses, student ID numbers, and messages. No passwords, SSNs, or financial data were accessed. Instructure revoked compromised credentials, rotated keys, and restricted account creation. Services are back online.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

May 11, 2026

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Part of Instructure, Inc. supply-chain incident (2026) — a supply-chain cascade affecting multiple organizations.View cascade →

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed15,000 affectedView incident

Name: Pittsfield Public Schools
norm: pittsfield public schools
Domain: pittsfield.net

Name: Pittsfield Public Schools
norm: pittsfield public schools
Domain: pittsfield.net
Industry: Educationllm

Discovered: —
Materiality determined: —
Notification sent: May 10, 2026
Affected individuals: 15,000state-resident count only
Data types: Identity (basic)PII
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Third party: via Instructure (Canvas)
Initial access: supply_chain

During the incident: Contacted the district immediately
Canvas services are currently back online and operational
Revoked compromised credentials and access tokens
Added enhanced monitoring and security protections
Rotated internal security keys
Restricted certain account creation pathways
Temporarily disabled Free-For-Teacher accounts associated with the vulnerability
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://www.mass.gov/doc/2026-746-pittsfield-public-schools/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 11, 2026
Raw hash: 8f9dc71352bd2d6e98c579423dd1523001fecbd7ba89e5b01e4ba2f849ea6915

Reporting entityPittsfield Public Schools

Victim entityPittsfield Public Schools

IncidentThird-Party / Supply Chain

Stated responseContacted the district immediately

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov