DisclosureLens
AccidentalHealthcareTechnologyHealthcareMisconfigurationCustomer Data InvolvedHealth (basic)PIILowContained

DEXCOM, INC.

bd_e429fa4c72ba776f · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 25, 2025

Filed

Sep 19, 2025

To disclose

25 days

Affected

Not disclosed

Confidence

66%
Full breach record for DEXCOM, INC. →4 incidents on file

Dexcom, Inc. notified Vermont AG that a misconfiguration in its account management system inadvertently shared limited health data (glucose values, insulin doses, device type) with partners after users revoked consent. The error occurred between June 16 and August 14, 2025, and was discovered on August 25, 2025. No names were shared, only tokens. Dexcom applied a software update to revoke consent immediately.

Vermont clock⏱ VT AG >14 bday25 days 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

undetected · 70 days
discovery → filing · 25 days

Jun 16, 2025

Begins

Aug 25, 2025

Discovered

Sep 19, 2025

Filed

vs. sector median

9 wks faster

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

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.