HackingEducationEducationData ExfiltratedDelayed DiscoveryCustomer Data InvolvedIdentity (basic)Government IDPIICriticalContained

YALE UNIVERSITY

bd_271fe1a178228c5f · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 16, 2018

Filed

Jul 27, 2018

To disclose

6 weeks

Affected · nationwide

119,0001,742 in this filing

Linked

5 filings

Confidence

69%

Full breach record for YALE UNIVERSITY →6 incidents on file

Yale University notified the Washington AG of a breach where intruders accessed a database between April 2008 and January 2009, extracting names, SSNs, and DOBs of ~119,000 individuals. Yale discovered the intrusion on June 16, 2018, during a security review. Notices were mailed starting July 26, 2018, offering 12 months of Kroll identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 3728 days

discovery → filing · 6 weeks / 41 days

Apr 1, 2008

Begins

Jun 16, 2018

Discovered

Jul 27, 2018

Filed

vs. sector median

1 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Oregon State AGbd_c2299d7877c416a42018-07-27Verified
New Hampshire State AGbd_6cc199f94ba75c412018-07-26 · +1dVerified
Massachusetts State AGbd_9f6527b59dd81c982018-07-30 · +3dVerified
Massachusetts State AGbd_bbebab32ec4d53e62018-07-30 · +3dVerified

Name: YALE UNIVERSITY
norm: yale university
Domain: yale.edu

Name: YALE UNIVERSITY
norm: yale university
Domain: yale.edu
Industry: Educationllm

Discovered: Jun 16, 2018
Breach occurred: Apr 1, 2008 – Jan 1, 2009
Undetected for: 3,728 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 26, 2018
Affected individuals: 119,000state + nationwide
Data types: Identity (basic)Government IDPII
Data elements: NameSocial Security numberDate of birth
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 500+dexposure 200-299d
WA-stated discovery: Found after the fact
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 ChannelT1119 Automated Collection
Threat actor: External
Regulator citations: Notified the Washington Attorney General
Initial access: exploit_public_facing

During the incident: Notifying affected residents of Washington, by first class mail
Including in the above notice letter an offer of identity monitoring services from Kroll, at no cost, for 12 months
Publicizing the discovery of this breach on pages of Yale's cybersecurity website
Notifying the three major consumer reporting agencies about the security breach and the number of affected individuals in U.S. jurisdictions
Continuing Yale's ongoing implementation of an enhanced data loss prevention program that automates the identification and removal of personal information that is maintained unnecessarily, and systematically testing our data center servers to identify possible vulnerabilities
Changes made: In 2005, Yale stopped using Social Security numbers as routine identifiers and began regularly to search for and delete unnecessary files with personal information
Continuing Yale's ongoing implementation of an enhanced data loss prevention program that automates the identification and removal of personal information that is maintained unnecessarily, and systematically testing our data center servers to identify possible vulnerabilities
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(41 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

New Hampshire State AGJul 26 · first

Oregon State AG+1d

Washington State AG+1d · this page

Massachusetts State AG+4d

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM10575.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 27, 2018
Raw hash: db82ad6a2f9b1bce6918532bf1f0895846235b60efa87b889180514889f4c1c9

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityYALE UNIVERSITY

Victim entityYALE UNIVERSITY

Incidentdiscovered Jun 16, 2018

Stated responseNotifying affected residents of Washington, by first class mail

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com