A significant security breach has exposed 2.7 billion sensitive user records, including Wi-Fi network credentials.The breach is linked to Mars Hydro, a China-based grow light manufacturer, and LG-LED SOLUTIONS LIMITED, a California-registered firm.The exposed database contained Wi-Fi SSIDs, passwords, IP addresses, device IDs, and other details from IoT devices sold globally.The breach raises concerns about network infiltration, botnet recruitment, and physical threats to crops.