HackingEducationEducationDelayed DiscoveryCustomer Data InvolvedData ExfiltratedPIIIdentity (basic)Government IDMediumContained

Washington International School

bd_dec409ecae8e5270 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 29, 2020

Filed

Feb 28, 2021

To disclose

22 weeks

Affected · nationwide

1461 in this filing

Confidence

65%

Full breach record for Washington International School →3 incidents on file

Washington International School reported an external system breach affecting 146 individuals that occurred between February 20, 2020, and May 20, 2020. The breach was discovered on September 29, 2020. The compromised information included names and Social Security numbers. Affected individuals were notified on February 25, 2021, and offered 24 months of credit monitoring services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Sep 29, 2020 → Filed with AG Feb 28, 2021152d ⏱ ME AG >30d22 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 · 222 days

discovery → filing · 22 weeks / 152 days

Feb 20, 2020

Begins

Sep 29, 2020

Discovered

Feb 28, 2021

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed146 affectedView incident

Name: Washington International School
norm: washington international school

Name: Washington International School
norm: washington international school
Industry: Education
Industry: Educationllm

Discovered: Sep 29, 2020
Breach occurred: Feb 20, 2020 – May 20, 2020
Undetected for: 222 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 25, 2021
Affected individuals: 146state + nationwide
Data types: PIIIdentity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
Threat actor: External

During the incident: Sent written notifications to affected consumers
Changes made: Blackbaud provided credit monitoring for 24 months by Cyberscout including fraud monitoring and identity theft
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(152 days from discovery to filing)
Compliance flags: ME AG >30d · 152dME resident >60d · 149d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 29, 2020
→ Filed with AG: Feb 28, 2021
152d 30 days (soft) ME AG >30d
Maine
Discovered: Sep 29, 2020
→ Notified: Feb 25, 2021
149d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 29, 2020 → Filed with AG: Feb 28, 2021	152d	30 days (soft)	ME AG >30d
Maine	Discovered: Sep 29, 2020 → Notified: Feb 25, 2021	149d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

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.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/e28bf751-a07f-4271-93bc-78566edcec4b.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 28, 2021
Raw hash: 82924368415dfda21bbc5411c1c0b449cf87eec0dc5ddc729b3da673f69d60ac

Reporting entityWashington International School

Victim entityWashington International School

Incidentdiscovered Sep 29, 2020

Stated responseSent written notifications to affected consumers

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov