DisclosureLens
HackingEducationEducationCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Financial accountFinancial credentialsLow

THE THACHER SCHOOL ENDOWMENT, LP

bd_3ad92faddde9a76b · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 3, 2020

Filed

Oct 9, 2020

To disclose

5 weeks

Affected · nationwide

3932 in this filing

Confidence

64%
Full breach record for THE THACHER SCHOOL ENDOWMENT, LP →

The Thacher School, an educational institution, reported an external system breach that occurred between February 7, 2020, and May 20, 2020. The breach was discovered on September 3, 2020, and affected 393 individuals. The compromised information included names in combination with financial account or credit/debit card numbers and their associated security codes or PINs. Written notifications were sent to the affected individuals on October 6, 2020. Identity theft protection services were not offered.

Maine clockDiscovered Sep 3, 2020 → Filed with AG Oct 9, 202036d ⏱ ME AG >30d5 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 · 209 days
discovery → filing · 5 weeks / 36 days

Feb 7, 2020

Begins

Sep 3, 2020

Discovered

Oct 9, 2020

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed393 affectedView incident

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.