HackingFinancial ServicesFinanceVulnerability ExploitSupply Chain (3P Vendor)Customer Data InvolvedEmployee Data InvolvedIdentity (basic)PIILowContained

Amwins Group, Inc

bd_beecf0a6961d7044 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 30, 2023

Filed

Dec 29, 2023

To disclose

29 days

Affected

Not disclosed

Linked

9 filings

Confidence

64%

Full breach record for Amwins Group, Inc →

Amwins Group, Inc. notified employees of a data security event involving its HR vendor, Paycor, Inc., and its file transfer provider, Progress MOVEit. An unauthorized actor exploited previously unknown vulnerabilities in MOVEit Transfer to access servers used by Paycor. Amwins received notification on November 30, 2023. The incident affected employee personal information, including names and other data. Amwins conducted an internal review and is offering credit monitoring services. No unauthorized access to Amwins' own network occurred.

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California clockDiscovered Nov 30, 2023 → Notified Dec 29, 202329d ✓ CA 60-day OK29 days discovery → filing

Incident timeline

undetected · 183 days

discovery → filing · 29 days

May 31, 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
Vermont State AGbd_86839945290c0ec82023-12-29Candidate
Indiana State AGbd_95c48c0e1cca75332023-12-29Verified

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 Servicesllm

Discovered: Nov 30, 2023
Breach occurred: May 31, 2023 – Jun 30, 2023
Undetected for: 183 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 29, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)PII
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain Compromise
Threat actor: External
Third party: via Paycor, Inc.
Initial access: supply_chain

During the incident: Conducted an internal review of the provided list of affected Amwins individuals from Paycor
Notified potentially affected individuals through this correspondence
Providing access to credit monitoring and identity protection services provided by Experian
Changes made: Regularly 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: CA 60-day OK · 29d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Nov 30, 2023
→ Notified: Dec 29, 2023
29d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Nov 30, 2023 → Notified: Dec 29, 2023	29d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

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

Vermont State AGDec 29 · first

Indiana State AGDec 29 · first

Maine State AGDec 29 · first

Montana State AGDec 29 · first

California 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://oag.ca.gov/ecrime/databreach/reports/sb24-578587
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: 168aa68ff214a3e84af848140ff4c95849e8fa4a860813f6dd6a0f8ea1271e71

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityAmwins Group, Inc

Victim entityAmwins Group, Inc

Incidentdiscovered Nov 30, 2023

Stated responseConducted an internal review of the provided list of affected Amwins individuals from Paycor

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov