TriZetto, Catholic Health, and PHREE SIA: A Cascade of Major US Healthcare Data Exposes Millions

Post date: March 7, 2026 · Discovered: April 23, 2026 · 7 posts, 0 comments

Community Health Center (CHC) in Connecticut is notifying over 1 million patients of a data breach. Separately, TriZetto Provider Solutions faces reports of a breach exposing sensitive data belonging to over 3.4 million people. Other exposed entities include Phreesia’s subsidiary ConnectOnCall, affecting 910,000 people, and Serviceaide detailing 483,000 Catholic Health records in Buffalo, NY.

Commenters treated these as unrelated, factual reports of security failures. BrikoX repeatedly emphasized the massive scale of the TriZetto and CHC breaches. Another key point centered on the legal dimension, specifically the breach involving Catholic Health, which is linked to potential class-action lawsuits reported by the California Applicants’ Attorneys Association. A separate, but notable, failure involved Geisinger stemming from Nuance.

The consensus is not a single story; it is a collection of massive, uncoordinated data spills across the US healthcare IT backbone. The fault line is the sheer breadth of compromised institutions—from national vendors like TriZetto to specific regional systems like Catholic Health—indicating systemic vulnerabilities across multiple, unconnected points in the care chain.

Key Points

#1CHC Connecticut breach affects over one million patients.

Reported by BrikoX, suggesting a high-impact, specific local incident.

#2TriZetto Provider Solutions breach size: 3.4 million+ exposed.

Mentioned by BrikoX (score 12) and lemmydev2 (score 7), establishing it as a primary concern.

#3Catholic Health/Serviceaide breach flagged for legal action.

The 483,000 patient breach was noted for its association with potential class-action lawsuits.

#4Phreesia/ConnectOnCall breach impacts 910,000 people.

Reported by both lemmydev2 and BrikoX, detailing the acquisition context.

#5Geisinger breach linked to former Nuance employee.

A specific failure point noted by BrikoX, focusing on IT provider personnel risk.

Source Discussions (7)

This report was synthesized from the following Lemmy discussions, ranked by community score.

68
points
US healthcare provider data breach impacts 1 million patients
[email protected]·0 comments·1/31/2025·by BrikoX·bleepingcomputer.com
30
points
Former IT employee accessed data of over 1 million US patients
[email protected]·0 comments·6/29/2024·by BrikoX·bleepingcomputer.com
12
points
Cognizant TriZetto breach exposes health data of 3.4 million patients
[email protected]·0 comments·3/6/2026·by BrikoX·bleepingcomputer.com
7
points
ConnectOnCall breach exposes health data of over 910,000 patients
[email protected]·0 comments·12/18/2024·by BrikoX·bleepingcomputer.com
7
points
Cognizant TriZetto breach exposes health data of 3.4 million patients
[email protected]·0 comments·3/7/2026·by lemmydev2·bleepingcomputer.com
3
points
ConnectOnCall breach exposes health data of over 910,000 patients
[email protected]·0 comments·12/16/2024·by lemmydev2·bleepingcomputer.com
3
points
AI “digital helper” Lena Health breach exposed some Houston Methodist patients’ medical info
[email protected]·0 comments·1/29/2026·by BrikoX·databreaches.net