HackingHealthcareManufacturingHealthcareVulnerability ExploitCapture Stored DataData ExfiltratedTargetedGovernment IDIdentity (basic)EmploymentMediumContained

BRISTOL-MYERS SQUIBB COMPANY

bd_27d9a6315eb19d82 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 1, 2023

Filed

Jun 29, 2023

To disclose

28 days

Affected

1state residents only

Linked

4 filings

Confidence

66%

Full breach record for BRISTOL-MYERS SQUIBB COMPANY →7 incidents on file

Bristol Myers Squibb notified Montana residents of a data breach involving the MOVEit transfer tool by Progress Software. Unauthorized access occurred as early as May 27, 2023, discovered on June 1, 2023. Data accessed included SSNs and HR info. BMS engaged law enforcement, third-party experts, and offered 24 months of credit monitoring.

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Incident timeline

undetected · 5 days

discovery → filing · 28 days

May 27, 2023

Begins

Jun 1, 2023

Discovered

Jun 29, 2023

Filed

vs. sector median

8 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Washington State AGbd_c7f73efea8f4322f2023-06-30 · +1dCandidate
New Hampshire State AGbd_333dbf505a7fad0d2023-07-03 · +4dVerified
Massachusetts State AGbd_fd0e0b317e579e4b2023-07-05 · +6dVerified

Name: BRISTOL-MYERS SQUIBB COMPANY
norm: bristol myers squibb
Domain: bms.com

Name: BRISTOL-MYERS SQUIBB COMPANY
norm: bristol myers squibb
Domain: bms.com
Industry: HealthcarellmManufacturingllm

Discovered: Jun 1, 2023
Breach occurred: May 27, 2023
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 29, 2023
Affected individuals: 1state-resident count only
Data types: Government IDIdentity (basic)Employment
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: engaged law enforcement in the United Statesnotified data protection authorities, where applicable
Initial access: exploit_public_facing

During the incident: Took the application offline
Implemented the vendor-recommended actions
Initiated an investigation with the assistance of third-party cybersecurity experts
Engaged law enforcement in the United States
Notified data protection authorities, where applicable
Patched the vulnerability
Arranged for you to obtain, at no cost to you, 24 months of Experian IdentityWorks
Changes made: Working to further enhance its security controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGJun 29 · first · this page

Washington State AG+1d

New Hampshire State AG+4d

Massachusetts State AG+6d

Pattern: first filing Jun 29 (MT), last Jul 5 (MA) — a 6-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-382.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 29, 2023
Raw hash: a523cf7bd5541236a21e5d09a943d971266468e735614b834d0b6e42ae6e1567

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBRISTOL-MYERS SQUIBB COMPANY

Victim entityBRISTOL-MYERS SQUIBB COMPANY

Incidentdiscovered Jun 1, 2023

Stated responseTook the application offline

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov