HackingFinancial ServicesProfessional ServicesFinanceVulnerability ExploitStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Amwins Group, Inc

bd_86839945290c0ec8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 30, 2023

Filed

Dec 29, 2023

To disclose

29 days

Affected

Not disclosed

Linked

9 filings

Confidence

66%

Full breach record for Amwins Group, Inc →

Amwins Group, Inc. notified consumers of a data breach involving its payroll vendor Paycor, which used Progress MOVEit Transfer. Attackers exploited vulnerabilities in MOVEit to access servers containing employee personal information, including names and government IDs. Amwins offered credit monitoring via Experian. The incident is part of the broader MOVEit supply chain compromise.

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Vermont clock⏱ VT AG >14 bday29 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 213 days

discovery → filing · 29 days

May 1, 2023

Begins

Nov 30, 2023

Discovered

Dec 29, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 9 about the same incident.View merged incident

Part of Paycor supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

New Hampshire State AGbd_1e5fed19d3e26a442023-12-29Verified
Massachusetts State AGbd_20177de47552e4242023-12-29Verified
Indiana State AGbd_95c48c0e1cca75332023-12-29Verified
California State AGbd_beecf0a6961d70442023-12-29Candidate

Show 4 more filings ↓up to 35d gap

Maine State AGbd_e6c0b9eb96a4ff022023-12-29Verified
Montana State AGbd_ee253a334c2463a52023-12-29Verified by operator
New Hampshire State AGbd_494dc4f2e1e88dbc2024-02-02 · +35dVerified
Vermont State AGbd_fa4ef9f24b61fdd72024-02-02 · +35dVerified

Name: Amwins Group, Inc
norm: amwins group

Name: Amwins Group, Inc
norm: amwins group
Industry: Financial ServicesllmProfessional Servicesllm

Discovered: Nov 30, 2023
Breach occurred: May 1, 2023 – Jun 30, 2023
Undetected for: 213 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 29, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Engaged with Paycor to provide payroll services
Conducted an internal review of the provided list of affected Amwins individuals from Paycor
Providing access to credit monitoring and identity protection services provided by Experian
Review and enhance existing policies and procedures related to data privacy
Changes made: Review and enhance existing policies and procedures related to data privacy, including those relevant to the use of third-party vendors
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: VT AG >14 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 7 states

View merged incident ↗

New Hampshire State AGDec 29 · first

Massachusetts State AGDec 29 · first

Indiana State AGDec 29 · first

California State AGDec 29 · first

Maine State AGDec 29 · first

Montana State AGDec 29 · first

Vermont State AGDec 29 · first · this page

New Hampshire State AG+35d

Vermont State AG+35d

Pattern: first filing Dec 29 (NH), last Feb 2 (VT) — a 35-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/2023-12-29-amwins-group-progress-software-moveit-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 29, 2023
Raw hash: a145fa388906be7628d0bab574e2f9ead0535e4c3d9e4003a06e2801f99c42b6

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityAmwins Group, Inc

Victim entityAmwins Group, Inc

Incidentdiscovered Nov 30, 2023

Stated responseEngaged with Paycor to provide payroll services

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov