CALIFORNIAHackingHealthcareHealthcarePHIHealth (basic)Identity (basic)Government IDCriticalContained

TANDEM DIABETES CARE, INC.

bd_115a67d17b94defa · schema v1 · pii pii-v1

Severity

Critical

Discovered

—

Filed

Mar 17, 2020

To disclose

—

Affected

140,781

Linked

6 filings

Confidence

69%

Full breach record for TANDEM DIABETES CARE, INC. →

Tandem Diabetes Care, Inc. reported to HHS on 2020-03-17 a Hacking/IT Incident affecting 140,781 individuals. Breached information located on Email. The cyber-attack involved electronic protected health information (ePHI) including names, dates of birth, addresses, Social Security numbers, diagnoses, medications, and treatment information. The entity provided substitute notice on its website and complimentary identity and credit monitoring services. The CE revised HIPAA security procedures and implemented additional technical safeguards.

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HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Mar 17, 2020

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

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

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_06fe92128ee5892a2020-03-17Verified
Oregon State AGbd_4a5f61e0d367ccc72020-03-17Verified
Montana State AGbd_6c63dab2a1b5df4d2020-03-17Verified
California State AGbd_967313c2bc1de98b2020-03-17Verified

Show 1 more filing ↓up to 76d gap

Illinois State AGbd_d70147b6456449fa2020-01-01 · +76dCandidate

Name: TANDEM DIABETES CARE, INC.
norm: tandem diabetes care
Industry: Health Care Services

Name: TANDEM DIABETES CARE, INC.
norm: tandem diabetes care
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 140,781nationwide
Data types: PHIHealth (basic)Identity (basic)Government ID
HHS breach type: Hacking / IT incident
Where the data lived: Email
Covered-entity type: Healthcare provider
Attack vector: Unauthorized Access
MITRE ATT&CK: T1566 Phishing
Threat actor: External
Regulator citations: Notified HHSOCR provided technical assistance to the CE and obtained assurances that the CE implemented the corrective actions noted

During the incident: Notified HHS
Notified affected individuals
Notified the media
Provided substitute notice on its website
Provided complimentary identity and credit monitoring services to all affected individuals
Changes made: Revised its HIPAA security procedures
Implemented additional technical safeguards
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

Illinois State AGJan 1 · first

Massachusetts State AG+76d

Oregon State AG+76d

Montana State AG+76d

California State AG+76d

HHS OCR+76d · this page

Pattern: first filing Jan 1 (IL), last Mar 17 (CA) — a 76-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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Mar 17, 2020
Raw hash: e95c3c0c6f055bebe45c1769bc3e1b8cfb9243d1b567f65218ada46c0b905526

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Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityTANDEM DIABETES CARE, INC.

Victim entityTANDEM DIABETES CARE, INC.

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing