The WK Kellogg Co. Data Breach: Reported Filing Facts
WK Kellogg Co. is a prominent food manufacturing and consumer goods company that manages extensive supply chains and human resources operations. As a large-scale employer and manufacturer, the company typically collects and stores sensitive personal information, including employee payroll data, tax documentation, and government-issued identification numbers. In 2025, the company officially reported a data security incident to the New Hampshire Attorney General, confirming that unauthorized access to their systems occurred. If you have received a formal data breach notification letter from the company, it indicates that your personal information was likely stored within their network at the time of the incident. This notice is intended to inform you of the nature of the breach and the specific steps the company is taking to address the exposure of your private data.
- State
- New Hampshire
- Reported
- April 4, 2025
What to do if you were affected
These general steps can help limit the risk of identity theft and fraud after any data breach.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Related data breach cases
- Janome America, Inc.
- Sullivan Environmental Services
- City of New Britain, Inc.
- New Hampshire Housing Yardi’s RentCafe
- Pocket FM
- Werth Wealth Management, LLC
- Wei Wei & Company
- Ameriprise Financial
- Joyal Financial Management Group
- Quantum Health
- HCA Healthcare, Inc.
- Alabama Symphonic Association Inc.
- Tombigbee Healthcare Authority dba Whitfield Regional Hospital
- Foster & Eldridge LLP