HackingFinancial ServicesProfessional ServicesFinanceVulnerability ExploitTargetedPIIIdentity (basic)Government IDMediumContained

CBIZ Benefits & Insurance Services, Inc.

bd_ce0aa1b8f498185e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 24, 2024

Filed

Aug 28, 2024

To disclose

9 weeks

Affected

1state residents only

Linked

9 filings

Confidence

65%

Full breach record for CBIZ Benefits & Insurance Services, Inc. →2 incidents on file

CBIZ Benefits & Insurance Services, Inc. notified Montana residents of a data incident where an unauthorized party exploited a web page vulnerability to access databases between June 2 and June 21, 2024. CBIZ discovered the incident on June 24, 2024, engaged forensic professionals, fixed the vulnerability, and is cooperating with the FBI. Affected individuals are offered two years of Kroll identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 22 days

discovery → filing · 9 weeks / 65 days

Jun 2, 2024

Begins

Jun 24, 2024

Discovered

Aug 28, 2024

Filed

vs. sector median

on median

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

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Massachusetts State AGbd_018e1a8162f4bc1e2024-08-28Verified
Maine State AGbd_283e90cfc9d786e82024-08-28Verified
HHS OCRbd_4390450bb6cd260d2024-08-28Verified
Indiana State AGbd_5a40f16ebc5d4f592024-08-28Verified

Show 4 more filings ↓up to 27d gap

New Hampshire State AGbd_61274703901e5b082024-08-28Verified
Vermont State AGbd_cd16c942d4634e0a2024-08-28Verified
Illinois State AGbd_a2160308b3893b392024-09-01 · +4dVerified
Illinois State AGbd_f4a16075c21cb7922024-08-01 · +27dVerified

Name: CBIZ Benefits & Insurance Services, Inc.
norm: cbiz benefits insurance

Name: CBIZ Benefits & Insurance Services, Inc.
norm: cbiz benefits insurance
Industry: Financial ServicesllmProfessional Servicesllm

Discovered: Jun 24, 2024
Breach occurred: Jun 2, 2024 – Jun 21, 2024
Undetected for: 22 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Working closely with the FBI
Initial access: exploit_public_facing

During the incident: Launched an investigation with the assistance of independent cybersecurity professionals
Fixed the vulnerability
Implemented measures to further enhance the security of our systems
Working closely with the FBI
Secured the services of Kroll to provide identity monitoring at no cost to you for two years
Changes made: Fixed the vulnerability
Implemented measures to further enhance the security of our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(65 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

Illinois State AGAug 1 · first

Massachusetts State AG+27d

Maine State AG+27d

HHS OCR+27d

Indiana State AG+27d

New Hampshire State AG+27d

Vermont State AG+27d

Montana State AG+27d · this page

Illinois State AG+31d

Pattern: first filing Aug 1 (IL), last Sep 1 (IL) — a 31-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1633.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 28, 2024
Raw hash: 9a428195fb4e9ee9f784eebee13e8ea806c431fc429e8422b64ef1b00e7d9630

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityCBIZ Benefits & Insurance Services, Inc.

Victim entityCBIZ Benefits & Insurance Services, Inc.

Incidentdiscovered Jun 24, 2024

Stated responseLaunched an investigation with the assistance of independent cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov