Social EngineeringEducationEducationPhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedDelayed DiscoveryIdentity (basic)Government IDMediumContained

Missouri Southern State University

bd_a1464e60e76634c6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 9, 2019

Filed

Jun 13, 2019

To disclose

22 weeks

Affected

7state residents only

Linked

3 filings

Confidence

64%

Full breach record for Missouri Southern State University →

Missouri Southern State University notified Montana AG of a Jan 9, 2019 phishing attack compromising employee Office 365 accounts. Data included names, DOBs, addresses, emails, phones, and SSNs. The University delayed notification pending law enforcement investigation, engaged forensic investigators, reset passwords, and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 22 weeks / 155 days

Jan 9, 2019

Begins

Jan 9, 2019

Discovered

Jun 13, 2019

Filed

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

New Hampshire State AGbd_0c2292bb673370b12019-06-13Verified
Massachusetts State AGbd_bc1e12ea54c0300b2019-06-13Verified

Name: Missouri Southern State University
norm: missouri southern state university

Name: Missouri Southern State University
norm: missouri southern state university
Industry: Educationllm

Discovered: Jan 9, 2019
Breach occurred: Jan 9, 2019
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 6, 2019
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: contacted law enforcementengaged the attorney general’s office
Initial access: phishing_link

During the incident: Contacted law enforcement
Engaged a leading forensic investigation firm
Undertook enhancements to its already robust IT systems to block potential email exploitation
Mass password reset of all employee Office 365 accounts
Engaged a forensics team, other cybersecurity experts, law enforcement officers, and the attorney general’s office
Changes made: Offering 24 months of complimentary credit monitoring
Offering $1 million in identity theft insurance
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(155 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

New Hampshire State AGJun 13 · first

Massachusetts State AGJun 13 · first

Montana State AGJun 13 · 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://dojmt.gov/wp-content/uploads/OCP/Data-Breach-Notification-3.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 13, 2019
Raw hash: 5ae636f3129a0375e2a12cc0a685f9cade39107d1fab015f1a6e90db7a03bda8

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMissouri Southern State University

Victim entityMissouri Southern State University

Incidentdiscovered Jan 9, 2019

Stated responseContacted law enforcement

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov