HackingHealthcareTechnologyHealthcareVulnerability ExploitCapture Stored DataZero-DayData ExfiltratedCustomer Data InvolvedTargetedPHIHealth (basic)Identity (basic)Government IDFinancial accountHighContained

OCUCO LIMITED

bd_95457d0ff244ea48 · schema v1 · pii pii-v1

Severity

High

Discovered

Apr 1, 2025

Filed

Jul 11, 2025

To disclose

14 weeks

Affected

24,833state residents only

Linked

9 records

Confidence

71%

Full breach record for OCUCO LIMITED →

Ocuco, an eye care technology company, disclosed a cybersecurity incident where an unauthorized actor accessed non-production servers between March 28 and April 1, 2025, exploiting a newly discovered vulnerability in third-party software. The incident exposed PHI and PII of 24,833 Washington residents. Ocuco notified the Washington AG on July 11, 2025, and offered 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d14 weeks discovery → filing

Incident timeline

undetected · 4 days

discovery → filing · 14 weeks / 101 days

Mar 28, 2025

Begins

Apr 1, 2025

Discovered

Jul 11, 2025

Filed

vs. sector median

+5 wks slower

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

A leak claim by killsec about this victim was first seen 101 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitekillsecbd_561b78b8d2cc0a8d2025-04-01 · +101dVerified by operator

Regulatory filings (7) · sorted by filing gap

Montana State AGbd_834af0e66c3c8c792025-07-11Verified by operator
California State AGbd_d064c92f5f9d40172025-07-11Verified by operator
Texas State AGbd_1a8b007fe58ca0e42025-07-15 · +4dVerified
Oregon State AGbd_9ce21f0d45a154ff2025-07-28 · +17dVerified by operator

Show 3 more filings ↓up to 42d gap

Nebraska State AGbd_46d92b3f3a46dc1b2025-06-20 · +21dVerified by operator
Massachusetts State AGbd_bfe62dfb5ba2a8d32025-06-20 · +21dVerified by operator
HHS OCRbd_0805202b63ed69fb2025-05-30 · +42dVerified by operator

Name: Norton Rose Fulbright US LLP
norm: norton rose fulbright us

Name: OCUCO LIMITED
norm: ocuco
Domain: ocuco.com
Industry: HealthcarellmTechnologyllm

Discovered: Apr 1, 2025
Breach occurred: Mar 28, 2025 – Apr 1, 2025
Undetected for: 4 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 11, 2025
Affected individuals: 24,833state-resident count only
Data types: PHIHealth (basic)Identity (basic)Government IDFinancial account
Data elements: NameDriver's licence numberDate of birthHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Filed Legal Notice of Data Security Incident with Washington State Office of the Attorney General
Initial access: exploit_public_facing

During the incident: Secured its virtual environment
Launched an investigation by engaging external cybersecurity experts
Conducted a review of the files to identify individuals whose information may have been involved
Began mailing notification letters to the twenty-four thousand eight hundred thirty-three (24,833) Washington residents
Offering them twenty-four months of complimentary credit monitoring and fraud protection services
Changes made: Fully patched the vulnerability
Undertaken a general review of our cybersecurity controls and procedures
Continues to evaluate additional steps that may be taken to further enhance the security of our environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(101 days from discovery to filing)
Compliance flags: WA AG >90dLeak >90d
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 · 8 filings · 8 states

View merged incident ↗

HHS OCRMay 30 · first

Nebraska State AG+21d

Massachusetts State AG+21d

Montana State AG+42d

California State AG+42d

Washington State AG+42d · this page

Texas State AG+46d

Oregon State AG+59d

Pattern: first filing May 30 (FL), last Jul 28 (OR) — a 59-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA33974.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 11, 2025
Raw hash: 58fa4005498b3a57c73ad6a1250db405045d507f2ef9c54e80a5da2ed9c765d6

Linked disclosures

Ransomware claims (1)

Regulatory filings (7) · sorted by filing gap

Reporting entityNorton Rose Fulbright US LLP

Victim entityOCUCO LIMITED

Incidentdiscovered Apr 1, 2025

Stated responseSecured its virtual environment

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com