New York Data Breaches

Party Rental, a U.S. event rental company, reportedly experienced a data breach discovered on August 26, 2026.

Senvest Capital was listed in a reports-only 2026 data breach entry posted by the ransomware group The Gentlemen and recorded by RansomLook. The affected individual count and compromised data types have not been publicly confirmed.

Plaza Auto Mall data breach reports surfaced in 2026 on RansomLook, but the incident has not been publicly confirmed by the company or a regulator. The available source does not state what data, if any, was exposed.

Columbia University data breach in 2026 was listed by a ransomware tracker on 2026-08-14, but the incident has not been publicly confirmed in the materials provided. The available record names Columbia University Information (Dental) and does not confirm the affected count or data types.

Zion Contracting data breach in 2026 was listed on RansomLook as a The Gentlemen victim post, but the incident has not been publicly confirmed by the company or regulators.

United Group of Companies data breach in 2026 was reported by RansomLook on 2026-08-07, but no official confirmation has been identified. The available material does not disclose what data, if any, was exposed.

YY Business Solutions data breach in 2026 was reported on a ransomware tracker, but no official company or regulator confirmation was found. The available record does not confirm the data types exposed or the number of affected individuals.

City of Beacon data breach 2026 was reported on ransomware.live, but the incident has not been publicly confirmed by the city in the material reviewed.

Pioneer Bank data breach reports appeared in 2026 on RansomLook, but no official confirmation or notice was provided in the source.

Nephrology Associates, M.D., P.A. experienced a data breach in 2026 involving unauthorized access to its network.

Acosta Sons data breach in 2026 was listed by ransomware.live after thegentlemen ransomware group named the company as a victim. The incident has not been publicly confirmed by the company or a regulator.

Precision Concrete Pumping data breach in 2026 was listed on a ransomware tracker, but the incident has not been publicly confirmed by the company or a regulator. The source names Precision Concrete Pumping, Inc. and gives an attack date of 2026-07-31.

Navient Corp experienced a third-party data breach in June 2026, where unauthorized access to a law firm's systems exposed the personal data of approximately 2.5 million student loan borrowers.

IH Engineers experienced a data breach in June 2026, with an estimated 65 GB of data compromised by the Akira ransomware group.

Leo International, a U.S. manufacturing company, reportedly experienced a data breach in June 2026, according to cybersecurity news outlets.

Horizon Family Medical Group experienced a reported data breach in 2026, though the company has not formally confirmed the incident.

Radiology Associates of Richmond experienced a data security incident in 2025 where protected health information was accessed.

Legal Services of Long Island experienced a data breach in 2026, which reportedly involved various types of personal information.