HackingEducationEducationData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)MediumContained

Connecticut College

bd_a150417b7cab79bb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 3, 2023

Filed

Aug 20, 2024

To disclose

18 months

Affected

1,407state residents only

Linked

4 filings

Confidence

66%

Full breach record for Connecticut College →5 incidents on file

Connecticut College reported a supplemental data security incident to the New Hampshire Attorney General. An unauthorized party accessed files on or about March 3, 2023. The investigation concluded in July 2024, affecting 1,407 NH residents. Notification letters were mailed in August 2024. The college offered 12 months of credit monitoring via Experian.

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Incident timeline

discovery → filing · 18 months / 536 days

Mar 3, 2023

Begins

Mar 3, 2023

Discovered

Aug 20, 2024

Filed

vs. sector median

+68 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Washington State AGbd_9e41d6af1068fd2d2024-08-31 · +11dVerified
Illinois State AGbd_882315fc0b5708342024-08-01 · +19dVerified
Maine State AGbd_fdfa386d708526422024-09-12 · +23dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Connecticut College
norm: connecticut college
Industry: Educationllm

Discovered: Mar 3, 2023
Breach occurred: Mar 3, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 7, 2024
Affected individuals: 1,407state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External
Regulator citations: Filed update to Notification of Data Security Incident with New Hampshire Office of the Attorney General

During the incident: Engaged leading cybersecurity experts to identify what personal information, if any, was involved
Offered complimentary access to Experian Identity Works Credit 3B for 12 months
Set up a dedicated and confidential toll-free response line
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 months(536 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Illinois State AGAug 1 · first

New Hampshire State AG+19d · this page

Washington State AG+30d

Maine State AG+42d

Pattern: first filing Aug 1 (IL), last Sep 12 (ME) — a 42-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.

Source URL: https://mm.nh.gov/files/uploads/doj/remote-docs/connecticut-college-20240820.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 20, 2024
Raw hash: aba713dd8792000cde6990592238e60f06ed04e218d775ab7a2b4463f2a26236

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityConnecticut College

Incidentdiscovered Mar 3, 2023

Stated responseEngaged leading cybersecurity experts to identify what personal information, if any, was involved

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov