US-VT
Timeline
- September 28, 2026
What a Vermont notice means
Governed by 9 V.S.A. §2435. Notification to the Attorney General is required.
Note: the count is Vermont residents.
DentaQuest, LLC
healthcareHealthcareUnited States of America
DentaQuest, LLC is a healthcare organisation in Massachusetts. It appears on the HHS OCR breach portal, the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register, the Washington State Attorney General breach-notification register, the Texas Attorney General breach-notification register, the Vermont Attorney General breach-notification register, the Delaware Attorney General data security breach database and the Iowa Attorney General security breach notification list with 3 confirmed incidents (4 filings); the most recent notice was filed on September 28, 2026.
Data as of October 17, 2026.
Sources
- Security Breach Notices | Office of the Vermont Attorney General
- attorneygeneral.delaware.gov
- Delaware Data Security Breach Database (Socrata dir6-wx8v)
- Washington AG data breach notifications (Socrata sb4j-ca4h)
- oag.ca.gov
- Texas AG data security breach reports (remoting)
- HHS OCR breach report (current)
- Iowa AG security breach notifications 2026
- mass.gov
- mass.gov
Filed in WA, CA, DE, TX, MA and IA — Phishing Attack
The same incident was filed separately with 6 jurisdictions within a few days of each other (WA, CA, DE, TX, MA and IA) — shown here as one incident.
Timeline
- July 16, 2026Reported to regulator Regulator
IA AG breach notification: an unknown number of Iowa residents affected
source - July 16, 2026Reported to regulator Regulator
CA AG breach notification: an unknown number of California residents affected
source - July 16, 2026Reported to regulator Regulator
WA AG breach notification: 148,300 Washington residents affected
source - July 16, 2026Reported to regulator Regulator
MA AG breach notification: 522,000 Massachusetts residents affected
source - July 16, 2026Reported to regulator Regulator
HHS OCR breach portal listing: Hacking/IT Incident; Network Server
source - July 17, 2026
- July 17, 2026
- July 17, 2026
- July 17, 2026
Notices on file
What a Washington notice means
Governed by RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.
Note: the count is Washington residents only, not a total.
What a California notice means
Governed by Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.
Note: no affected-count is published on this register.
What a Delaware notice means
Governed by 6 Del. C. §12B-102. Notice to the Attorney General is required when a breach affects more than 500 Delaware residents.
Note: the count is Delaware residents only, not a total.
What a Texas notice means
Governed by Tex. Bus. & Com. Code §521.053. Notice to the Attorney General is required when a breach affects at least 250 Texas residents.
Note: the published count is a total, not limited to Texas residents.
What a Massachusetts notice means
Governed by M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.
Note: the count is Massachusetts residents only, not a total.
What a Iowa notice means
Governed by Iowa Code §715C.2. Notice to the Attorney General is required within five business days of notifying consumers, for a breach requiring notification to more than 500 Iowa residents.
Note: no affected-count is published on this register.
US-MA
Timeline
- May 19, 2021