HackingFinancial ServicesFinanceData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)CriticalContained

The Public School and Education Employee Retirement Systems of Missouri

bd_40786003f9cdbf60 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Sep 11, 2021

Filed

Oct 14, 2021

To disclose

5 weeks

Affected · nationwide

349,24671 in this filing

Linked

7 filings

Confidence

66%

Full breach record for The Public School and Education Employee Retirement Systems of Missouri →

The Public School and Education Employee Retirement Systems of Missouri experienced an external system breach (hacking) on September 11, 2021. The incident compromised the personal information of 349,246 individuals, including names and Social Security Numbers. The entity notified the Maine Attorney General and provided 24 months of complimentary credit monitoring and ID theft protection through Experian to affected individuals.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Sep 11, 2021 → Filed with AG Oct 14, 202133d ⏱ ME AG >30d5 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 5 weeks / 33 days

Sep 11, 2021

Begins

Sep 11, 2021

Discovered

Oct 14, 2021

Filed

vs. sector median

4 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

California State AGbd_075ad4272a174aa12021-10-14Verified
Montana State AGbd_3c8bf34c4c83d71d2021-10-14Candidate
Massachusetts State AGbd_51b8b108a52ece792021-10-14Verified
Indiana State AGbd_529be718cf23201a2021-10-14Verified

Show 2 more filings ↓up to 4d gap

Oregon State AGbd_c7444d3acaafc8bf2021-10-14Verified
New Hampshire State AGbd_d23646775b71d2752021-10-18 · +4dVerified

Name: The Public School and Education Employee Retirement Systems of Missouri
norm: the public school and education employee retirement systems of missouri
Domain: psrsmo.org

Name: The Public School and Education Employee Retirement Systems of Missouri
norm: the public school and education employee retirement systems of missouri
Domain: psrsmo.org
Industry: Financial Servicesllm

Discovered: Sep 11, 2021
Breach occurred: Sep 11, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 14, 2021
Affected individuals: 349,246state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with the Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 24 months of complimentary credit monitoring and ID theft protection through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(33 days from discovery to filing)
Compliance flags: ME AG >30d · 33d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 11, 2021
→ Filed with AG: Oct 14, 2021
33d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 11, 2021 → Filed with AG: Oct 14, 2021	33d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

California State AGOct 14 · first

Montana State AGOct 14 · first

Massachusetts State AGOct 14 · first

Indiana State AGOct 14 · first

Oregon State AGOct 14 · first

Maine State AGOct 14 · first · this page

New Hampshire 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/18497135-1ff7-4abd-b2ff-e838f33ba789.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 14, 2021
Raw hash: aba87ddd5ff54a3a2c32a9263b072174111bee062f5ad19a0d5cc2faf252f6f3

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityThe Public School and Education Employee Retirement Systems of Missouri

Victim entityThe Public School and Education Employee Retirement Systems of Missouri

Incidentdiscovered Sep 11, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov