HackingHealthcareTechnologyHealthcareVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedZero-DayPHIHealth (basic)Identity (basic)MediumContained

Nuance Communications, Inc

bd_119ca48980839f9b · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Sep 18, 2023

To disclose

16 weeks

Affected

Not disclosed

Linked

11 filings

Confidence

65%

Full breach record for Nuance Communications, Inc →3 incidents on file

Nuance Communications, Inc. disclosed a security incident involving its third-party vendor, Progress Software's MOVEit Transfer software. An unauthorized third party exploited a previously unknown vulnerability (zero-day) between May 28-29, 2023, to exfiltrate data. Nuance confirmed the breach on July 11, 2023, and notified affected individuals starting August 1, 2023. Affected data included names, dates of birth, medical record numbers, gender, and radiology study details. Nuance secured servers, engaged cybersecurity experts, and notified law enforcement.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d16 weeks discovery → filing

Incident timeline

undetected · 3 days

discovery → filing · 16 weeks / 110 days

May 28, 2023

Begins

May 31, 2023

Discovered

Sep 18, 2023

Filed

vs. sector median

+3 wks slower

This filing is one of 11 about the same incident.View merged incident

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_40ea5b2a63ba1e582023-06-16 · +94dVerified by operator

Regulatory filings (9) · sorted by filing gap

Oregon State AGbd_61e841c1c65090342023-09-19 · +1dVerified
Maine State AGbd_2d18f75acad25ac92023-09-15 · +3dVerified
New Hampshire State AGbd_42ba23005cabceb82023-09-15 · +3dVerified
California State AGbd_829cc01dc8d0b7322023-09-15 · +3dVerified

Show 5 more filings ↓up to 260d gap

Washington State AGbd_82faba2aed5d0b312023-09-15 · +3dVerified by operator
HHS OCRbd_cd3e342a18e72ccb2023-09-15 · +3dVerified
Montana State AGbd_f82949cd77b8e1ac2023-09-15 · +3dVerified
Illinois State AGbd_59fd556cb57cb64f2023-01-01 · +260dVerified by operator
Illinois State AGbd_6a436e30174844602023-01-01 · +260dVerified by operator

Name: Nuance Communications, Inc
norm: nuance communications
Domain: nuance.com

Name: Nuance Communications, Inc
norm: nuance communications
Domain: nuance.com
Industry: HealthcarellmTechnologyllm

Discovered: May 31, 2023
Breach occurred: May 28, 2023 – May 29, 2023
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 1, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Took steps to secure the servers running the MOVEit Transfer application
Worked with cybersecurity experts and legal counsel to conduct a comprehensive investigation
Notified law enforcement authorities
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(110 days from discovery to filing)
Compliance flags: Leak >180d
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 · 10 filings · 9 states

View merged incident ↗

Illinois State AGJan 1 · first

Maine State AG+257d

New Hampshire State AG+257d

California State AG+257d

Washington State AG+257d

HHS OCR+257d

Montana State AG+257d

Delaware State AG+260d · this page

Oregon State AG+261d

Pattern: first filing Jan 1 (IL), last Sep 19 (OR) — a 261-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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2023/10/Nuance-Notice-Template-gen.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 18, 2023
Raw hash: 3a79ddeca41f49cf7b151b3bd3027f3fc11c10c0ef5ebd56c3ff66e1c28f5a45

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityNuance Communications, Inc

Victim entityNuance Communications, Inc

Incidentdiscovered May 31, 2023

Stated responseTook steps to secure the servers running the MOVEit Transfer application

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceattorneygeneral.delaware.gov