MalwareHealthcareTechnologyHealthcareRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedMulti-Stage ChainIdentity (basic)Health (basic)PHIMediumContained

PFIZER INC.

bd_7424839f3f1feb5e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 21, 2024

Filed

Jun 7, 2024

To disclose

15 weeks

Affected

2,650state residents only

Linked

2 filings

Confidence

70%

Full breach record for PFIZER INC. →8 incidents on file

The Lash Group, a third-party service provider for Pfizer Inc., disclosed a cybersecurity incident on February 21, 2024, involving the exfiltration of personal information including names, addresses, dates of birth, health diagnoses, and medications. The incident was reported to the Washington Attorney General on June 7, 2024, affecting 2,650 Washington residents. The Lash Group engaged forensic experts and offered credit monitoring to affected individuals.

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Washington clock⏱ WA AG >30d15 weeks discovery → filing

Incident timeline

discovery → filing · 15 weeks / 107 days

Feb 21, 2024

Begins

Feb 21, 2024

Discovered

Jun 7, 2024

Filed

vs. sector median

+4 wks slower

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_40fb7527813d8f2c2024-06-07Candidate

Name: The Lash Group, LLC
norm: the lash

Name: PFIZER INC.
norm: pfizer
Domain: pfizer.com
Industry: HealthcarellmTechnologyllm

Discovered: Feb 21, 2024
Breach occurred: Feb 21, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2,650state-resident count only
Data types: Identity (basic)Health (basic)PHI
Data elements: NameDate of birthMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 0d
WA-stated discovery: Found after the fact
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Attorney General

During the incident: Engaged third-party cyber experts to conduct an investigation
Taken steps to strengthen the security of its systems
Commenced an investigation with the assistance of law enforcement, cybersecurity experts and outside lawyers
Sent notifications by mail to the affected individuals
Offered two years of credit monitoring to affected individuals
Changes made: Strengthen the security of its systems
Working with cybersecurity experts to enhance our systems and information security protocols
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(107 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGJun 7 · first

Washington State AGJun 7 · 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/BreachA29443.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 7, 2024
Raw hash: 33a09578d669b3048e5dbd2119de99eb47fc7e90ac1337cc690938d0287121e5

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityThe Lash Group, LLC

Victim entityPFIZER INC.

Incidentdiscovered Feb 21, 2024

Stated responseEngaged third-party cyber experts to conduct an investigation

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com