EU Grocers Pay a Steep Price for Unpatched Fridge Firmware

European grocery stores suffered significant financial losses, totaling millions of dollars, due to their failure to update the firmware of their cooling systems. The stores had outsourced management of the outdated operational technology firmware to third-party vendors. This oversight led to substantial losses for hundreds of stores. The outdated firmware was associated with the stores' refrigeration systems. The financial impact was a direct result of the stores' decision to rely on third-party management of their outdated systems. The losses highlight the importance of maintaining up-to-date firmware in critical systems.