HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Teachers' Retirement System of the City of New York

bd_b129a13df14ad5f0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 6, 2023

Filed

Jul 18, 2023

To disclose

6 weeks

Affected

Not disclosed

Linked

7 filings

Confidence

67%

Full breach record for Teachers' Retirement System of the City of New York →

Teachers' Retirement System of the City of New York notified Vermont AG that a third-party vendor, PBI Research Services, experienced a data breach via a MOVEit Transfer vulnerability. Attackers accessed data on May 29-30, 2023. Affected data included names, SSNs, DOBs, and addresses for TRS payees receiving benefits as of March 2023. PBI engaged law enforcement and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday6 weeks discovery → filing

Incident timeline

undetected · 8 days

discovery → filing · 6 weeks / 42 days

May 29, 2023

Begins

Jun 6, 2023

Discovered

Jul 18, 2023

Filed

vs. sector median

2 wks faster

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

Part of Pension Benefit Information, LLC supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_9de5c3d458ee4cdd2023-07-18Verified
Maine State AGbd_794f98c2009ad2ec2023-07-24 · +6dCandidate
New Hampshire State AGbd_96f1aacb96ef4caa2023-07-24 · +6dVerified
Montana State AGbd_e208ddf0477671682023-07-24 · +6dVerified

Show 2 more filings ↓up to 7d gap

California State AGbd_fe91f5d522ee54072023-07-24 · +6dVerified
Massachusetts State AGbd_89d23354c437ac512023-07-25 · +7dVerified

Name: Teachers' Retirement System of the City of New York
norm: teachers retirement system of the city of new york

Name: Teachers' Retirement System of the City of New York
norm: teachers retirement system of the city of new york
Industry: Financial Servicesllm

Discovered: Jun 6, 2023
Breach occurred: May 29, 2023 – May 30, 2023
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 18, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: PBI reported the matter to federal law enforcement
Third party: via PBI Research Services
Initial access: exploit_public_facing

During the incident: PBI resolved the vulnerability
PBI enhanced its information security measures
PBI reported the matter to federal law enforcement
TRS is reviewing additional safeguards for its website
TRS is monitoring for suspicious activity
PBI agreed to offer 24 months of free credit monitoring and identity restoration services through Kroll
Changes made: Offering 24 months of free credit monitoring and identity restoration services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: VT AG >14 bday
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Indiana State AGJul 18 · first

Vermont State AGJul 18 · first · this page

Maine State AG+6d

New Hampshire State AG+6d

Montana State AG+6d

California State AG+6d

Massachusetts State AG+7d

Pattern: first filing Jul 18 (IN), last Jul 25 (MA) — a 7-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://ago.vermont.gov/document/2023-07-18-teachers-retirement-system-city-new-york-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 18, 2023
Raw hash: e0d6e3b49f04bd460c8664e78091999d540466a0b4f3949d89dd59fbfe241188

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityTeachers' Retirement System of the City of New York

Victim entityTeachers' Retirement System of the City of New York

Incidentdiscovered Jun 6, 2023

Stated responsePBI resolved the vulnerability

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov