HackingEducationEducationStolen CredentialsTargetedIdentity (basic)Government IDMediumContained

Grinnell College

bd_120bdc85651e3981 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 9, 2019

Filed

Mar 29, 2019

To disclose

20 days

Affected

13state residents only

Linked

2 filings

Confidence

66%

Full breach record for Grinnell College →4 incidents on file

Grinnell College notified the NH AG of an incident where an unauthorized individual accessed admission-related systems on March 7, 2019. Discovered March 9, 2019, the breach affected 13 NH residents, exposing names, addresses, DOBs, and SSNs. Grinnell engaged forensic experts and law enforcement, offering 2 years of credit monitoring to victims.

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Incident timeline

undetected · 2 days

discovery → filing · 20 days

Mar 7, 2019

Begins

Mar 9, 2019

Discovered

Mar 29, 2019

Filed

vs. sector median

6 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Montana State AGbd_6d6d3115d0c4c1812019-03-25 · +4dCandidate

Name: Grinnell College
norm: grinnell college

Name: Grinnell College
norm: grinnell college
Industry: Educationllm

Discovered: Mar 9, 2019
Breach occurred: Mar 7, 2019
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 25, 2019
Affected individuals: 13state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Commenced a prompt and thorough investigation
Worked closely with cybersecurity professionals and law enforcement
Providing the affected residents with written notification
Offering the affected residents a complimentary two-year membership with a credit monitoring service
Advising the affected residents about the process for placing a fraud alert and/or security freeze on their credit files
Providing contact information for consumer reporting agencies and the Federal Trade Commission
Changes made: Continue to evaluate and modify its 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: 20 days(20 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGMar 25 · first

New Hampshire State AG+4d · 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://mm.nh.gov/files/uploads/doj/remote-docs/grinnell-college-20190329.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 29, 2019
Raw hash: 7366eac8a1e1a0846183f4733524e9492e85e3848f56c8951b34a4d5fa8b9296

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityGrinnell College

Victim entityGrinnell College

Incidentdiscovered Mar 9, 2019

Stated responseCommenced a prompt and thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov