Every public data breach

44 disclosed this week · 26,355 on record

Lennox International

Disclosed Apr 17, 20263,709 affectedConfirmed

Official notice

The covered entity (CE), Lennox International, Inc., reported that its business associate (BA) experienced a breach of its network that affected the protected health information (PHI) of 3,709 individuals. The PHI involved included demographic information. The CE notified HHS, the media, and the affected individuals. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals and implemented additional administrative, technical, and security safeguards to better protect PHI.

What is known

People affected3,709 (as reported to HHS)
DisclosedApr 17, 2026
AttackHacking
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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