HackingEducationEducationCustomer Data InvolvedData ExfiltratedDelayed DiscoveryIdentity (basic)Government IDMediumResolved

The Bryn Mawr School for Girls of Baltimore City, Inc.

bd_da53640fb3c80e27 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 24, 2021

Filed

Jun 2, 2021

To disclose

9 days

Affected · nationwide

2303 in this filing

Linked

2 filings

Confidence

65%

Full breach record for The Bryn Mawr School for Girls of Baltimore City, Inc. →

Bryn Mawr School for Girls, an educational institution, reported a data breach affecting 230 individuals. The incident occurred between February 7, 2020, and May 20, 2020, and was discovered on May 24, 2021. The breach was an external system breach (hacking) that exposed names and Social Security numbers. Affected individuals were notified on June 2, 2021, and offered 12 months of complimentary credit monitoring services.

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Maine clockDiscovered May 24, 2021 → Filed with AG Jun 2, 20219d ✓ ME AG ≤30d9 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 · 472 days

discovery → filing · 9 days

Feb 7, 2020

Begins

May 24, 2021

Discovered

Jun 2, 2021

Filed

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_aec65b08ac43f6192021-06-02Verified

Name: The Bryn Mawr School for Girls of Baltimore City, Inc.
norm: the bryn mawr school for girls of baltimore city

Name: The Bryn Mawr School for Girls of Baltimore City, Inc.
norm: the bryn mawr school for girls of baltimore city
Industry: Educationllm

Discovered: May 24, 2021
Breach occurred: Feb 7, 2020 – May 20, 2020
Undetected for: 472 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 2, 2021
Affected individuals: 230state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access

During the incident: Notified affected individuals via written communication
Offered complimentary 12-month credit monitoring through Cyberscout
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 days(9 days from discovery to filing)
Compliance flags: ME AG ≤30d · 9d
Discovery-date grounding: 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 24, 2021
→ Filed with AG: Jun 2, 2021
9d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 24, 2021 → Filed with AG: Jun 2, 2021	9d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGJun 2 · first

Maine State AGJun 2 · first · this page

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-a1252b4f8318/2fff378d-784c-4e68-8162-f0614e93c425.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 2, 2021
Raw hash: e3191be9d8b2ff4e1116be462b6e60363c8d71d0d1f82cbe2b36d0378b7e898f

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityThe Bryn Mawr School for Girls of Baltimore City, Inc.

Victim entityThe Bryn Mawr School for Girls of Baltimore City, Inc.

Incidentdiscovered May 24, 2021

Stated responseNotified affected individuals via written communication

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov