AccidentalHealthcareHealthcareMisdeliveryEmployee Data InvolvedIdentity (basic)Government IDEmploymentMediumResolved

QUEST DIAGNOSTICS INCORPORATED

bd_40b55f7149cee7eb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 29, 2021

Filed

Nov 16, 2021

To disclose

18 days

Affected

Not disclosed

Linked

6 filings

Confidence

64%

Full breach record for QUEST DIAGNOSTICS INCORPORATED →92 incidents on file

On October 29, 2021, Quest Diagnostics experienced an inadvertent email misdelivery where an employee sent a spreadsheet containing personal information of current and former employees to internal distribution lists. The data included names, Social Security Numbers, employee ID numbers, and for some, personal email addresses. The company recalled the email, removed it from systems, and offered 12 months of identity monitoring.

J jump to incidentP pin to compareR raw source

California clockDiscovered Oct 29, 2021 → Notified Nov 16, 202118d ✓ CA 60-day OK18 days discovery → filing

Incident timeline

discovery → filing · 18 days

Oct 29, 2021

Begins

Oct 29, 2021

Discovered

Nov 16, 2021

Filed

vs. sector median

8 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Montana State AGbd_1bb2823f1487fb2c2021-11-16Candidate
Maine State AGbd_64f81844de618f512021-11-16Verified
Indiana State AGbd_b8c2d7cdf7dbdae82021-11-16Verified
Massachusetts State AGbd_fb33ff71753f90952021-11-16Verified

Show 1 more filing ↓up to 6d gap

New Hampshire State AGbd_33d4a39961d317092021-11-22 · +6dVerified

Name: QUEST DIAGNOSTICS INCORPORATED
norm: quest diagnostics

Name: QUEST DIAGNOSTICS INCORPORATED
norm: quest diagnostics
Industry: Healthcarellm

Discovered: Oct 29, 2021
Breach occurred: Oct 29, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 16, 2021
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDEmployment
Data elements: Social Security number
Attack vector: Unknown

During the incident: Recalled the email
Administratively removed the email and spreadsheet from recipients’ email systems and computers
Tracked and confirmed permanent deletion of any emails that may have been forwarded by recipients
Changes made: Offering a complimentary 12-month membership of Experian’s IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 18 days(18 days from discovery to filing)
Compliance flags: CA 60-day OK · 18d
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: Oct 29, 2021
→ Notified: Nov 16, 2021
18d 60 days (analyst band, pre-2026 discoveries) CA 60-day OK

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Oct 29, 2021 → Notified: Nov 16, 2021	18d	60 days (analyst band, pre-2026 discoveries)	CA 60-day OK

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Montana State AGNov 16 · first

Maine State AGNov 16 · first

Indiana State AGNov 16 · first

Massachusetts State AGNov 16 · first

California State AGNov 16 · first · this page

New Hampshire State AG+6d

Pattern: first filing Nov 16 (MT), last Nov 22 (NH) — a 6-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://oag.ca.gov/ecrime/databreach/reports/sb24-547623
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 16, 2021
Raw hash: 2402a2f6500f0575a0264f107013f45e567b7c41244f89b0ff82269dd0d091f0

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityQUEST DIAGNOSTICS INCORPORATED

Victim entityQUEST DIAGNOSTICS INCORPORATED

Incidentdiscovered Oct 29, 2021

Stated responseRecalled the email

ComplianceCA 60-day OK

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov