Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

McLeod Health

bd_17824e01a2919d61 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 8, 2020

Filed

Mar 8, 2021

To disclose

13 weeks

Affected

Not disclosed

Confidence

65%

Full breach record for McLeod Health →

McLeod Occupational Health Services notified South Carolina residents of an unauthorized access to an employee email account. The incident involved phishing leading to credential compromise. Data potentially accessible included names, driver's license numbers, and Social Security numbers. No evidence of misuse was found. The company offered one year of credit monitoring and implemented MFA requirements.

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Incident timeline

discovery → filing · 13 weeks / 90 days

Dec 8, 2020

Discovered

Mar 8, 2021

Filed

vs. sector median

+2 wks slower

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

Name: McLeod Health
norm: mcleod health
Domain: mcleodhealth.org

Name: McLeod Health
norm: mcleod health
Domain: mcleodhealth.org
Industry: Healthcarellm

Discovered: Dec 8, 2020
Materiality determined: —
Notification sent: Feb 26, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Initial access: phishing_link

During the incident: Secured the account
Worked with an outside security firm to determine how the incident occurred and what information in the accounts may have been accessible to the unauthorized person
Offering a complimentary one-year membership of Experian’s® IdentityWorks Credit 3B
Changes made: Updating our internal settings to require all devices to utilize multi-factor authentication
Continue to provide ongoing education to all employees regarding email security best practices
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(90 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://consumer.sc.gov/sites/consumer/files/Documents/Business%20Resources%20Laws/Related%20Laws/Breaches/2021/McLeodOccupational.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 8, 2021
Raw hash: 066df85f539ab75644690cb12734c208f4a1be8a8f3192e99754f821e7f7311b

Reporting entityMcLeod Health

Victim entityMcLeod Health

Incidentdiscovered Dec 8, 2020

Stated responseSecured the account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov