MalwareHealthcareHealthcareRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedDelayed DiscoveryPHIHealth (basic)Government IDIdentity (basic)Financial accountHighActive

Medical Review Institute of America

bd_5e57efec079d3411 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 9, 2021

Filed

Jan 7, 2022

To disclose

8 weeks

Affected

3,225state residents only

Linked

28 filings

Confidence

70%

Full breach record for Medical Review Institute of America →

Medical Review Institute of America (MRIoA) filed a supplemental breach notification with the Washington Attorney General regarding a cyberattack occurring between November 2 and 9, 2021. The incident involved ransomware and unauthorized data acquisition, affecting 3,225 Washington residents. Exposed data included PHI, SSNs, and financial info. MRIoA engaged forensic experts, notified the FBI, and provided one year of Kroll identity monitoring. This supplemental notice corrects prior counts due to clerical errors.

J jump to incidentP pin to compareR raw source

Washington clock⏱ WA AG >30d8 weeks discovery → filing

Incident timeline

undetected · 7 days

discovery → filing · 8 weeks / 59 days

Nov 2, 2021

Begins

Nov 9, 2021

Discovered

Jan 7, 2022

Filed

vs. sector median

4 wks faster

This filing is one of 28 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

New Hampshire State AGbd_1684aaa6efb0e0ed2022-01-21 · +14dVerified
Maine State AGbd_3d174f7229de2ff32022-02-03 · +27dVerified
California State AGbd_ae43d458dae1f29d2022-02-03 · +27dVerified
New Hampshire State AGbd_838ab18b44e7e3882022-03-14 · +66dVerified by operator

Show 6 more filings ↓up to 269d gap

California State AGbd_0d6158d9c6700f782022-05-10 · +123dVerified by operator
California State AGbd_99bd469703a810be2022-07-13 · +187dVerified by operator
Maine State AGbd_b7d4763ef84ebad12022-07-13 · +187dVerified by operator
New Hampshire State AGbd_0419f8046cf11a832022-07-16 · +190dVerified by operator
New Hampshire State AGbd_f9c8e0a19de550ed2022-07-16 · +190dVerified by operator
California State AGbd_9e29b8e3584b22802022-10-03 · +269dVerified by operator

Showing first 10 of 27 linked disclosures.

Name: Medical Review Institute of America
norm: medical review institute of america
Domain: mrioa.com

Name: Medical Review Institute of America
norm: medical review institute of america
Domain: mrioa.com
Industry: Healthcarellm

Discovered: Nov 9, 2021
Breach occurred: Nov 2, 2021 – Nov 9, 2021
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 10, 2022
Affected individuals: 3,225state-resident count only
Data types: PHIHealth (basic)Government IDIdentity (basic)Financial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Washington Attorney General's Office

During the incident: Engaged third-party forensic and incident response experts
Contacted the FBI
Secured and safely restored systems and operations
Retrieved and confirmed deletion of obtained information
Changes made: Constant monitoring of systems with advanced threat hunting and detection software
Adding additional authentication protections
Built new servers from the ground up
Deployed a hardened and new backup environment
Enhanced employee cybersecurity training
Reviewed, revised, and amended cybersecurity policies
Secured services of Kroll to provide identity monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 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 · 11 filings · 4 states

View merged incident ↗

Washington State AGJan 7 · first · this page

New Hampshire State AG+14d

Maine State AG+27d

California State AG+27d

New Hampshire State AG+66d

California State AG+123d

California State AG+187d

Maine State AG+187d

New Hampshire State AG+190d

California State AG+269d

Pattern: first filing Jan 7 (WA), last Oct 3 (CA) — a 269-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 27 — the full spread may be wider.

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/BreachA5248.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 7, 2022
Raw hash: 3cc2fb3467b844ba34c0d65fbafcdc531c0aa1d79a3f2ec300b1f3a79390ce0c

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMedical Review Institute of America

Victim entityMedical Review Institute of America

Incidentdiscovered Nov 9, 2021

Stated responseEngaged third-party forensic and incident response experts

ComplianceWA AG >30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com