HackingEducationEducationStolen CredentialsBECWire FraudEmployee Data InvolvedMulti-Stage ChainIdentity (basic)CredentialsFinancial accountPIILowContained

Charter Public School

bd_cd767b5d17733c80 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 17, 2026

Filed

Apr 22, 2026

To disclose

5 days

Affected

1state residents only

Confidence

64%

Full breach record for Charter Public School →

Abby Kelley Foster Charter Public School notified employees of a security incident where an unauthorized actor accessed corporate email and payroll accounts between Feb 11 and Mar 25, 2026. The actor replaced banking information to divert payroll funds. The incident was discovered on Apr 17, 2026. Funds were recovered. The school is implementing MFA and enhanced monitoring.

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Massachusetts clock✓ MA AG ≤30d5 days discovery → filing

Incident timeline

undetected · 65 days

discovery → filing · 5 days

Feb 11, 2026

Begins

Apr 17, 2026

Discovered

Apr 22, 2026

Filed

vs. sector median

9 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Charter Public School
norm: charter public school
Domain: akfcs.org

Name: Charter Public School
norm: charter public school
Domain: akfcs.org
Industry: Educationllm

Discovered: Apr 17, 2026
Breach occurred: Feb 11, 2026 – Mar 25, 2026
Undetected for: 65 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 22, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)CredentialsFinancial accountPII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email CollectionT1565 Data Manipulation
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Conducted a forensic log review
Initiated credential resets to secure your accounts
Coordinated with our payroll vendor to successfully recover and transfer the diverted funds back to you
Changes made: Accelerating our rollout of Multi-Factor Authentication (MFA)
Implementing context-aware access policies
Increasing our internal security monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 days(5 days from discovery to filing)
Compliance flags: MA AG ≤30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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/2026-619-abby-kelley-charter-foster-public-school/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 22, 2026
Raw hash: a5db662e5f11c386232bbccb8164432b4190ffe767333b545d3bb90a4db63d92

Reporting entityCharter Public School

Victim entityCharter Public School

Incidentdiscovered Apr 17, 2026

Stated responseConducted a forensic log review

ComplianceMA AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov