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Kantrowitz, Goldhamer & Graifman P.C. has a long tradition of success, growing in size and resources over four decades. Our attorneys provide support in a wide variety of litigations including personal injury, divorce and matrimonial law, business litigation, national class action lawsuits and more.

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Hertz / Dollar / Thrifty Data Breach Class Action Investigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

Kantrowitz, Goldhamer & Graifman, P.C. is actively investigating a data breach involving The Hertz Corporation, which also includes affiliated rental brands Dollar and Thrifty, concerning a cybersecurity incident that exposed highly sensitive customer information. The breach stems from a vulnerability in the systems of Cleo Communications, a third-party file transfer service used by Hertz. Between October and December 2024, unauthorized …

Nevro Corp. Data Breach Class Action Litigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

Kantrowitz, Goldhamer & Graifman, P.C., is currently investigating Nevro Corp., (“Nevro”), regarding a data breach affecting the personal information and protected health information of an undisclosed number of patients. Nevro is a medical device company based in Redwood City, CA. On December 1, 2024, Nevro became aware of suspicious activity on its network.  An investigation determined an unknown individual gained …

Mission Bell Mfg Inc Data Breach Class Action Litigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

Kantrowitz, Goldhamer & Graifman, P.C., is currently investigating Mission Bell Mfg, Inc. (“Mission Bell”), headquartered in Morgan Hill, CA, regarding a data breach affecting the personal information of its employees.   On February 1, 2025, Mission Bell discovered that a security breach that occurred on January 31, 2025. They determined unauthorized access to certain personal information. Mission Bell disclosed that the …

Wk Kellogg Data Breach Class Action Litigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

Kantrowitz, Goldhamer & Graifman, P.C., is currently investigating WK Kellogg Co. (“Kellogg”), headquartered in Battle Creek, MI, regarding a data breach affecting the personal information of its employees.   On February 27, 2025, Kellogg discovered that a security incident involving Cleo, Kellogg’s technology vendor, used for its secure file transfer application.  An unauthorized person gained access on December 7, 2024, to …

KGG Investigating General Motors LLC Defective New Engine

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

KGG Investigating General Motors LLC Defective New Engine-6.2L V9 L87 Incorporated in Model Years Ranging from 2019-2024 of the Chevrolet Silverado 1500, 2021-2024, Chevrolet Tahoe, 2021-2024, Chevrolet Suburban, 2019-2024, GMC Sierra 1500, 2021-2024, GMC Yukon, 2021-2024, GMC Yukon XL, 2021-2024, Cadillac Escalade and Cadillac Escalade ESV, 2021-2024.  KGG is currently investigating a putative class action against General Motors LLC (“GM”) …

Pennsylvania State Education Association Data Breach Class Action Litigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

Kantrowitz, Goldhamer & Graifman, P.C., is currently investigating Pennsylvania State Education Association (“PSEA”) regarding a data breach affecting the personal information and protected health information of approximately 517,487 individuals. PSEA is a labor union representing over 187,000 teachers, counselors, librarians, school nurses, and many other employees across Pennsylvania. PSEA represents the labor, policy, and professional interests of its members and …

Sunflower Medical Group, P.A. Data Breach Class Action Litigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

Kantrowitz, Goldhamer & Graifman, P.C., is currently investigating Sunflower Medical Group, P.A. (“Sunflower”), regarding a data breach affecting the personal information and protected health information of approximately 221,000 patients. Sunflower is a Kansas-based medical group with a focus in pediatrics, internal medicine, family practice, and obstetrics and gynecology. Sunflower has established four care centers across Kansas City, Lenexa, and Roeland …

DISA Global Solutions, Inc., Data Breach Class Action Litigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

DISA GLOBAL SOLUTIONS, INC., DATA BREACH CLASS ACTION LITIGATION Kantrowitz, Goldhamer & Graifman, P.C., is currently investigating DISA Global Solutions, Inc., (“DISA”), regarding a data breach affecting the personal information of more than 3.3 million individuals. DISA, located in Houston, Texas, is one of the largest employee screeners in the United States, providing a wide array of services for over …

Medusind, Inc. Data Breach Class Action Litigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

Kantrowitz, Goldhamer & Graifman, P.C., is currently investigating Medusind, Inc., (“Medusind”), regarding a data breach affecting the personal information and protected health information of approximately 360,934 individuals. Medusind is a Miami-based provider of comprehensive end-to-end revenue cycle management solutions including practice management, eligibility, coding, claims processing, and analytics. Medusind’s services are designed to optimize the healthcare revenue cycle process and …

American Addiction Centers, Inc. Data Breach Class Action Litigation

By Kantrowitz, Goldhamer & Graifman, P.C.Class Action

Kantrowitz, Goldhamer & Graifman, P.C., is currently investigating American Addiction Centers, Inc., (“AAC”), regarding a data breach affecting the personal information and protected health information of approximately 422,424 patients. AAC, a Tennessee-based health organization, is the largest network of rehabilitation facilities in the country, providing inpatient and outpatient substance abuse treatment through a large network of rehabilitation centers in California, …