MalwareHealthcareTechnologyHealthcareRansomwareData ExfiltratedCustomer Data InvolvedHealth (basic)Identity (basic)PHIPIIMediumContained

BRISTOL-MYERS SQUIBB COMPANY

bd_0adc553539a63fa5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 21, 2024

Filed

May 17, 2024

To disclose

12 weeks

Affected

34,644state residents only

Linked

2 filings

Confidence

69%

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

Cencora, Inc. and its affiliate Lash Group reported a cyberattack affecting Bristol Myers Squibb patient support programs. Data exfiltrated included names, addresses, DOB, and health diagnoses. 34,644 Washington residents affected. Incident discovered Feb 21, 2024; notices sent May 17, 2024. Credit monitoring offered.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d12 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 12 weeks / 86 days

Feb 21, 2024

Begins

Feb 21, 2024

Discovered

May 17, 2024

Filed

vs. sector median

on median

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Montana State AGbd_9b48ef7232105fe92024-05-17Verified

Name: CENCORA, INC.
norm: cencora
Domain: cencora.com

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

Discovered: Feb 21, 2024
Breach occurred: Feb 21, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 17, 2024
Affected individuals: 34,644state-resident count only
Data types: Identity (basic)Health (basic)PII
Data elements: NameDate of birthMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 0dexposure 0d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: assistance of law enforcement

During the incident: Launched an investigation with the assistance of cybersecurity experts, law enforcement, and outside lawyers
Took containment steps
Working with cybersecurity experts to reinforce our systems and information security protocols
Changes made: Providing you with access to Experian IdentityWorks credit monitoring and remediation services for 24 months at no charge
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(86 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGMay 17 · first

Washington State AGMay 17 · first · this page

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA29161.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 17, 2024
Raw hash: 76afc5e135f29a29c0fa640572e69e9645256095458c814216a7ffd1cce165e8

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityCENCORA, INC.

Victim entityBRISTOL-MYERS SQUIBB COMPANY

Incidentdiscovered Feb 21, 2024

Stated responseLaunched an investigation with the assistance of cybersecurity experts, law enforcement, and outside lawyers

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com