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Prosper Marketplace, Inc vs iRhythm Technologies Inc.: BreachNoticePulse comparison

Prosper Marketplace, Inc's State residents affected (WA, DE) of 249,848 is 1.1x iRhythm Technologies Inc.'s 220,745 (97th percentile). Prosper Marketplace, Inc is dated 2025-12-09; iRhythm Technologies Inc. 2026-10-06.

Data as of · Compiled by Zalwin from Washington State Attorney General data breach notifications (data.wa.gov) and California Attorney General data security breach list (oag.ca.gov)

Both records plus every comparable WA record, with all columns and source links · Card, Apple Pay, Google Pay or Link via Stripe

How does Prosper Marketplace, Inc compare to iRhythm Technologies Inc.?

FieldProsper Marketplace, InciRhythm Technologies Inc.
OrganizationProsper Marketplace, InciRhythm Technologies Inc.
Attorney General notifiedWAWA
Notice date2025-12-092026-10-06
Breach dates2025-04-29 to 2025-09-022026-06-03 to 2026-06-08
CauseCyberattackCyberattack
Attack typeOtherPhishing
IndustryFinanceHealth
State residents affected249,848220,745
Days from discovery to notice99120
Organization stateCACA
State residents affected (WA, DE) percentile97th97th
Score60/10070/100
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Official records: Prosper Marketplace, Inc · iRhythm Technologies Inc.

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From the Washington, California and Delaware Attorney General breach notification lists, as posted. A notice is the organization's own report under state breach-notification law; it is not a finding of wrongdoing or of harm. California does not publish cause or counts in its list; Delaware lists data types and counts but not cause. Read the notice on the AG site before relying on it.

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