Social EngineeringHealthcareFinancial ServicesHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)PHIHighResolved

MEDNAX Services, Inc.

bd_ef1f98abb4d60c8e · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 19, 2020

Filed

Dec 16, 2020

To disclose

26 weeks

Affected

29,861state residents only

Linked

8 filings

Confidence

71%

Full breach record for MEDNAX Services, Inc. →2 incidents on file

MEDNAX Services, Inc. notified Washington AG of a phishing incident where unauthorized parties accessed business email accounts between June 17-22, 2020. Discovered June 19, 2020. Notifications sent Dec 16, 2020. Affected ~29,861 WA residents. Data potentially included PII, SSNs, health insurance, and medical info.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d26 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 2 days

discovery → filing · 26 weeks / 180 days

Jun 17, 2020

Begins

Jun 19, 2020

Discovered

Dec 16, 2020

Filed

vs. sector median

+13 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

California State AGbd_1253ca6eeacfa8792020-12-16Candidate
HHS OCRbd_2317d15fb2fdc5372020-12-16Candidate
Montana State AGbd_3c1d1683a865d9562020-12-16Verified
Oregon State AGbd_cc27b0970ea647262020-12-16Verified

Show 3 more filings ↓up to 27d gap

Massachusetts State AGbd_0556c2fd8b6abc362020-12-23 · +7dVerified
California State AGbd_11476f6352fa26262020-12-23 · +7dCandidate
New Hampshire State AGbd_c82e812b30165e942021-01-12 · +27dVerified

Name: MEDNAX Services, Inc.
norm: mednax services

Name: MEDNAX Services, Inc.
norm: mednax services
Industry: HealthcarellmFinancial Servicesllm

Discovered: Jun 19, 2020
Breach occurred: Jun 17, 2020 – Jun 22, 2020
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 16, 2020
Affected individuals: 29,861state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PHI
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoing
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: External
Initial access: phishing_link

During the incident: Engaged a national forensic firm
Resetting user passwords for business email accounts where unauthorized activity was detected
Enhanced security controls
Changes made: Enhanced security controls as appropriate to minimize the risk of any similar event in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(180 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 8 filings · 7 states

View merged incident ↗

California State AGDec 16 · first

HHS OCRDec 16 · first

Montana State AGDec 16 · first

Oregon State AGDec 16 · first

Washington State AGDec 16 · first · this page

Massachusetts State AG+7d

California State AG+7d

New Hampshire State AG+27d

Pattern: first filing Dec 16 (CA), last Jan 12 (NH) — a 27-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM10370.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 16, 2020
Raw hash: 5103fc3eee6d579f92217b52ea94589f922c65d66f139c718e38e3a4694956d5

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityMEDNAX Services, Inc.

Victim entityMEDNAX Services, Inc.

Incidentdiscovered Jun 19, 2020

Stated responseEngaged a national forensic firm

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com