HackingHealthcareTechnologyHealthcareStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)EmploymentHighActive

HENRY SCHEIN, INC.

bd_e6ff33d71b709e98 · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 14, 2023

Filed

Nov 28, 2023

To disclose

6 weeks

Affected

2,921state residents only

Linked

9 filings

Confidence

66%

Full breach record for HENRY SCHEIN, INC. →6 incidents on file

Henry Schein, Inc. notified South Carolina employees of a cybersecurity incident discovered on October 14, 2023. Unauthorized third-party access to employee personal information (including SSN, DOB, financial, and medical data) was confirmed. The company engaged forensic experts, notified law enforcement, and is offering 24 months of Experian identity monitoring. Investigation is ongoing.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due6 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 · 6 weeks / 45 days

Oct 14, 2023

Discovered

Nov 28, 2023

Filed

vs. sector median

6 wks faster

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

California State AGbd_4b1727b048fdc8552023-12-06 · +8dVerified
Maine State AGbd_817f39c882aae4e02023-12-06 · +8dVerified
Massachusetts State AGbd_9a93e1de11d7d9732023-12-06 · +8dVerified
Montana State AGbd_6c3ca5d013cd7be22023-11-17 · +11dVerified

Show 4 more filings ↓up to 59d gap

Vermont State AGbd_cc87b9a5cdf301c12023-11-17 · +11dVerified
SEC 8-Kbd_838851b9407ab0032023-11-16 · +12dVerified
New Hampshire State AGbd_ad54e6e188668b372023-11-16 · +12dVerified
Washington State AGbd_72816974130743b62024-01-26 · +59dVerified

Name: HENRY SCHEIN, INC.
norm: henry schein
Domain: henryschein.com

Name: HENRY SCHEIN, INC.
norm: henry schein
Domain: henryschein.com
Industry: HealthcarellmTechnologyllm

Discovered: Oct 14, 2023
Materiality determined: —
Notification sent: Nov 17, 2023
Affected individuals: 2,921state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)Employment
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified relevant law enforcement authorities
Initial access: valid_credentials

During the incident: Took certain systems offline
Notified relevant law enforcement authorities
Engaged outside cybersecurity and forensic information technology experts
Conducting an investigation to identify and remove any malicious files and determine company systems that were impacted
Changes made: Seeking to implement measures to fortify our defenses going forward
Providing you with identity theft detection and resolution tools through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(45 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 · 9 filings · 8 states

View merged incident ↗

SEC 8-KNov 16 · first

New Hampshire State AGNov 16 · first

Montana State AG+1d

Vermont State AG+1d

South Carolina State AG+12d · this page

California State AG+20d

Maine State AG+20d

Massachusetts State AG+20d

Washington State AG+71d

Pattern: first filing Nov 16, last Jan 26 (WA) — a 71-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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/HenryScheinInc.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 28, 2023
Raw hash: 59e4ab3451eb67dcedea058b5427b53a1fa1d698339c804231c0a7c23b2a49b4

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityHENRY SCHEIN, INC.

Victim entityHENRY SCHEIN, INC.

Incidentdiscovered Oct 14, 2023

Stated responseTook certain systems offline

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov