MalwareHealthcareTechnologyHealthcareRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Health (basic)PHILowContained

Acadia Pharmaceuticals Inc.

bd_483175af70f1b590 · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 21, 2024

Filed

May 21, 2024

To disclose

13 weeks

Affected

851state residents only

Linked

3 filings

Confidence

69%

Full breach record for Acadia Pharmaceuticals Inc. →2 incidents on file

The Lash Group, a third-party service provider for Acadia Pharmaceuticals, disclosed a cyberattack in May 2024. Data exfiltrated from Lash Group's systems included patient PII (names, addresses, DOB) and PHI (health diagnoses, medications). The incident was discovered on Feb 21, 2024. 851 Washington residents were affected. Lash Group engaged forensic experts and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d13 weeks discovery → filing

Incident timeline

discovery → filing · 13 weeks / 90 days

Feb 21, 2024

Discovered

May 21, 2024

Filed

vs. sector median

+2 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_11cf72020b9cdf532024-05-21Verified
Montana State AGbd_dc41cb7f8e2a04fd2024-05-20 · +1dCandidate

Name: The Lash Group, LLC
norm: lash group

Name: Acadia Pharmaceuticals Inc.
norm: acadia pharmaceuticals
Industry: HealthcarellmTechnologyllm

Discovered: Feb 21, 2024
Materiality determined: —
Notification sent: May 21, 2024
Affected individuals: 851state-resident count only
Data types: Identity (basic)Health (basic)PHI
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: T1041 Exfiltration Over C2 ChannelT1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement

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

Time to disclose: 13 weeks(90 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 · 3 filings · 3 states

View merged incident ↗

Montana State AGMay 20 · first

Indiana State AG+1d

Washington State AG+1d · 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/BreachA29207.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 21, 2024
Raw hash: a96e9632eaa8981055b3393648638f97d8030113ff018f9059c1722d5ff95da0

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityThe Lash Group, LLC

Victim entityAcadia Pharmaceuticals 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