HackingHealthcareHealthcareSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPHIIdentity (basic)LowContained

Silver Summit Medical Corporation

bd_3c00778f81bd059a · schema v1 · pii pii-v2

Severity

Low

Discovered

Jul 20, 2026

Filed

Aug 19, 2026

To disclose

4 weeks

Affected

Not disclosed

Confidence

65%

Full breach record for Silver Summit Medical Corporation →

Silver Summit Medical Corporation (SSMC) notified California residents of a data breach involving a third-party vendor. Unauthorized access to SSMC's data occurred between November 27 and November 30, 2025. SSMC became aware of the incident on July 20, 2026. Affected data includes names and protected health information. SSMC is offering 12 months of complimentary credit monitoring and identity restoration services.

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California clockDiscovered Jul 20, 2026 → Notified Aug 19, 202630d ✓ CA 30-day OK4 weeks discovery → filing

Incident timeline

undetected · 235 days

discovery → filing · 4 weeks / 30 days

Nov 27, 2025

Begins

Jul 20, 2026

Discovered

Aug 19, 2026

Filed

vs. sector median

7 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Silver Summit Medical Corporation
norm: silver summit medical

Name: Silver Summit Medical Corporation
norm: silver summit medical
Industry: Healthcarellm

Discovered: Jul 20, 2026
Breach occurred: Nov 27, 2025 – Nov 30, 2025
Undetected for: 235 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 19, 2026
Affected individuals: Not disclosed
Data types: PHIIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Third party: via third-party vendor
Initial access: supply_chain

During the incident: Investigated and responded to the event
Notified potentially affected individuals
Reviewing existing policies and procedures to reduce the likelihood of similar future events
Offering credit monitoring and identity restoration services through Cyberscout, a TransUnion company, for 12 months, at no cost
Changes made: Reviewing existing policies and procedures to reduce the likelihood of similar future events
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: CA 30-day OK · 30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jul 20, 2026
→ Notified: Aug 19, 2026
30d 30 calendar days CA 30-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jul 20, 2026 → Notified: Aug 19, 2026	30d	30 calendar days	CA 30-day OK

Status: No extraction artifact recorded for this disclosure.

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://oag.ca.gov/ecrime/databreach/reports/sb24-628483
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 19, 2026
Raw hash: 3a76af498dfcfbc3c969024eed4e06fd187527f7625ae4e41daa43cc6a365d79

Reporting entitySilver Summit Medical Corporation

Victim entitySilver Summit Medical Corporation

Incidentdiscovered Jul 20, 2026

Stated responseInvestigated and responded to the event

ComplianceCA 30-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov