Social EngineeringHealthcareHealthcarePhishingTargetedPIIPHIIdentity (basic)MediumContained

Onsite Mammography

bd_e2d742e7000ab836 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 1, 2024

Filed

Apr 22, 2025

To disclose

29 weeks

Affected

6,925state residents only

Linked

8 filings

Confidence

65%

Full breach record for Onsite Mammography →2 incidents on file

Onsite Mammography, LLC notified South Carolina consumers of a security incident discovered in October 2024 involving unauthorized access to an employee's email account. The incident exposed patient names and protected health information (PHI). The company engaged forensic experts and offered credit monitoring services.

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South Carolina clock✓ SC CRA notice due29 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 29 weeks / 203 days

Oct 1, 2024

Discovered

Apr 22, 2025

Filed

vs. sector median

+16 wks slower

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Massachusetts State AGbd_3d572dffa9d09a382025-04-21 · +1dVerified
Vermont State AGbd_a9465367175950882025-04-21 · +1dVerified
HHS OCRbd_a96b83cee14ef51f2025-04-21 · +1dVerified
Indiana State AGbd_b49795f765e873bc2025-04-21 · +1dVerified

Show 3 more filings ↓up to 1d gap

Nebraska State AGbd_b920c3058b4d0c0e2025-04-21 · +1dVerified
New Hampshire State AGbd_c686ace3fe4924d62025-04-21 · +1dVerified
Maine State AGbd_c85f887b9fa8986b2025-04-21 · +1dVerified

Name: Onsite Mammography
norm: onsite mammography

Name: Onsite Mammography
norm: onsite mammography
Industry: Healthcarellm

Discovered: Oct 1, 2024
Materiality determined: —
Notification sent: —
Affected individuals: 6,925state-resident count only
Data types: PIIPHIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Enlisted independent cybersecurity experts to conduct an investigation
Engaged the services of an outside data analytics vendor
Implemented additional security features to reduce the risk of a similar incident occurring in the future
Offering 12/24 months of complimentary Equifax Credit Watch Gold credit monitoring and identity protection services
Changes made: Implemented additional security features to reduce the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(203 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 7 states

View merged incident ↗

Massachusetts State AGApr 21 · first

Vermont State AGApr 21 · first

HHS OCRApr 21 · first

Indiana State AGApr 21 · first

Nebraska State AGApr 21 · first

New Hampshire State AGApr 21 · first

Maine State AGApr 21 · first

South Carolina State AG+1d · this page

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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2025/OnsiteMammography.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 22, 2025
Raw hash: 11b675a9f4f9f8b415f49efb7d2109de26b23e3d4e53565b194385f27e3accbc

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityOnsite Mammography

Victim entityOnsite Mammography

Incidentdiscovered Oct 1, 2024

Stated responseEnlisted independent cybersecurity experts to conduct an investigation

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov