DisclosureLens
HackingEducationEducationCustomer Data InvolvedIdentity (basic)Government IDHigh

Chambersburg Area School District

bd_3eba95429b445058 · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 4, 2023

Filed

Oct 26, 2023

To disclose

22 days

Affected · nationwide

4,2652 in this filing

Linked

7 filings

Confidence

50%
Full breach record for Chambersburg Area School District →

Chambersburg Area School District, an educational institution, reported a data breach to the Maine Attorney General. The breach, which occurred from August 21 to August 26, 2023, and was discovered on October 4, 2023, was a result of an external system hack. The incident affected 2 Maine residents, and a total of 4,265 individuals. The compromised information included names and Social Security numbers. The district began notifying affected individuals in writing on October 26, 2023, and offered identity theft protection services.

Leak gap clock⏱ Leak >30d22 days discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 44 days
discovery → filing · 22 days

Aug 21, 2023

Begins

Oct 4, 2023

Discovered

Oct 26, 2023

Filed

vs. sector median

7 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)

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 60d gap

Filing propagation · 6 filings · 5 states

View merged incident ↗
PressAug 27 · first
Massachusetts State AG+60d
Vermont State AG+60d
New Hampshire State AG+60d
Indiana State AG+60d
Maine State AG+60d · this page

Pattern: first filing Aug 27, last Oct 26 (ME) — 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.