HackingHealthcareHealthcareStolen CredentialsTargetedCustomer Data InvolvedAuthenticationCredentialsHealth (basic)Identity (basic)Government IDPHICriticalActive

Rebound Orthopedics & Neurosurgery

bd_2ba87263f82072f7 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Feb 3, 2024

Filed

Mar 7, 2024

To disclose

5 weeks

Affected

313,093state residents only

Linked

3 filings

Confidence

71%

Full breach record for Rebound Orthopedics & Neurosurgery →4 incidents on file

Rebound Orthopedics & Neurosurgery notified WA AG of unauthorized access on Feb 2, 2024, discovered Feb 3, 2024. Washington's register lists 313,093 Washington residents affected; the preliminary notice named at least 98. Data included names, SSNs, DOBs, signatures, health info, and credentials. Investigation ongoing; forensic specialists engaged; law enforcement notified; credit monitoring offered.

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Washington clock⏱ WA AG >30d5 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 1 days

discovery → filing · 5 weeks / 33 days

Feb 2, 2024

Begins

Feb 3, 2024

Discovered

Mar 7, 2024

Filed

vs. sector median

4 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_e67bc52f7af06c5e2024-03-07Verified
Oregon State AGbd_accddb91cea749e72024-03-21 · +14dVerified

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Rebound Orthopedics & Neurosurgery
norm: rebound orthopedics neurosurgery
Industry: Healthcarellm

Discovered: Feb 3, 2024
Breach occurred: Feb 2, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Mar 7, 2024
Affected individuals: 313,093state-resident count only
Data types: Identity (basic)Government IDCredentialsHealth (basic)
Data elements: NameSocial Security numberDate of birthMedical informationUsername + password
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle Unknowndexposure Unknownd
WA-stated discovery: Found after the fact
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Provided preliminary notice to Washington State Office of the Attorney General
Initial access: valid_credentials

During the incident: Commenced an investigation with the assistance of computer forensic specialists
Notified federal law enforcement
Providing access to credit monitoring services for twenty-four (24) months through Experian
Providing impacted individuals with guidance on how to monitor for and protect against identity theft and fraud
Changes made: Implemented additional safeguards to increase our security posture
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(33 days from discovery to filing)
Compliance flags: WA AG >30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGMar 7 · first

Washington State AGMar 7 · first · this page

Oregon State AG+14d

Pattern: first filing Mar 7 (MT), last Mar 21 (OR) — a 14-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/BreachM17552.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 7, 2024
Raw hash: 102cb7d11b2092685405e8a9223898ff0223be6659784226c54c41730492ef7a

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityRebound Orthopedics & Neurosurgery

Incidentdiscovered Feb 3, 2024

Stated responseCommenced an investigation with the assistance of computer forensic specialists

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com