DisclosureLens
HackingTechnologyHealthcareInformationVulnerability ExploitZero-DayData ExfiltratedSupply Chain (3P Vendor)Identity (basic)Health (basic)PIILowContained

Nuance Communications, Inc

bd_f82949cd77b8e1ac · schema v1 · pii pii-v1

Severity

Low

Discovered

May 31, 2023

Filed

Sep 15, 2023

To disclose

15 weeks

Affected

547state residents only

Linked

11 records

Confidence

65%
Full breach record for Nuance Communications, Inc →6 incidents on file

Nuance Communications, Inc. disclosed a third-party vendor breach involving Progress Software's MOVEit Transfer software. An unauthorized party exploited a previously unknown vulnerability to exfiltrate data between May 28-29, 2023. Nuance was notified by Progress on May 31, 2023. Affected data included names, radiology study details, dates of service, and potentially medical record numbers. No SSNs or financial data were involved. Nuance secured systems, engaged experts, and notified law enforcement.

Leak gap clock⏱ Leak >90d15 weeks discovery → filing

Incident timeline

undetected · 3 days
discovery → filing · 15 weeks / 107 days

May 28, 2023

Begins

May 31, 2023

Discovered

Sep 15, 2023

Filed

vs. sector median

+4 wks slower

This filing is one of 11 records 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 →
A leak claim by cl0p about this victim was first seen 91 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Show 5 more filings ↓up to 257d gap

Filing propagation · 10 filings · 9 states

View merged incident ↗

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.