HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)EmploymentLowContained

Radiological Society of North America

bd_b2a55ba0b222d602 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 25, 2024

Filed

Aug 28, 2024

To disclose

9 weeks

Affected

1state residents only

Linked

5 filings

Confidence

65%

Full breach record for Radiological Society of North America →

Radiological Society of North America (RSNA) notified Montana and Rhode Island residents of a cybersecurity incident detected on June 25, 2024. Unauthorized access occurred between June 20-26, 2024, potentially exposing 1099 forms containing PII. RSNA engaged forensic investigators and is offering credit monitoring services.

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Incident timeline

undetected · 5 days

discovery → filing · 9 weeks / 64 days

Jun 20, 2024

Begins

Jun 25, 2024

Discovered

Aug 28, 2024

Filed

vs. sector median

9 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Vermont State AGbd_24f7837a2da8e3262024-08-28Verified
Indiana State AGbd_dba19e8dec9f2c882024-08-28Verified
Massachusetts State AGbd_e2d31479519ebe682024-08-28Verified
New Hampshire State AGbd_54b6a2178d9d3c0a2024-09-03 · +6dVerified

Name: Radiological Society of North America
norm: radiological society of north america

Name: Radiological Society of North America
norm: radiological society of north america
Industry: Professional Servicesllm

Discovered: Jun 25, 2024
Breach occurred: Jun 20, 2024 – Jun 26, 2024
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 28, 2024
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)Employment
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Secured the environment
Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals
Offering identity theft protection services through IDX
Set up a dedicated and confidential toll-free response line
Changes made: Continually evaluates and modifies its practices and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(64 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Vermont State AGAug 28 · first

Indiana State AGAug 28 · first

Massachusetts State AGAug 28 · first

Montana State AGAug 28 · first · this page

New Hampshire State AG+6d

Pattern: first filing Aug 28 (VT), last Sep 3 (NH) — a 6-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-1632.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 28, 2024
Raw hash: 00cb31a4dbfcf86f8b2ce0eb98cea18946dc6832c8ea1ff40e33a50285bc7eee

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityRadiological Society of North America

Victim entityRadiological Society of North America

Incidentdiscovered Jun 25, 2024

Stated responseSecured the environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov