Group 1 - A major distributor, United Natural Foods (UNFI), experienced a cyber attack that severely disrupted its logistics system, leading to empty shelves in supermarkets across the U.S. [2] - The attack prompted UNFI to shut down parts of its system to prevent further damage, which directly affected order processing and delivery, resulting in stock shortages at various grocery stores, including Whole Foods [2] - Whole Foods' parent company, Amazon, is working to replenish stock and has apologized to customers for the shortages [2] Group 2 - The incident highlights the vulnerability of the U.S. food supply chain, with UNFI's CEO stating that the company is using "alternative solutions" to maintain some customer services while working to restore its systems [3] - The cyber attack not only impacted retail stores but also affected numerous brand suppliers reliant on UNFI's distribution channels, with suppliers unable to communicate through internal systems [3] Group 3 - Following the attack, UNFI's stock price plummeted over 18% within five days, with an annual decline exceeding 15%, and the company lowered its profit expectations for the year due to the incident [5] - UNFI announced the termination of its partnership with Key Food and the closure of a distribution center in Pennsylvania as part of its response to the attack [5] - The CEO of UNFI emphasized that the company is still assessing the financial impact of the attack but believes it can manage the situation [5]