Locking devices are mechanisms designed to secure objects, spaces, or information from unauthorized access. They come in various forms, including padlocks, deadbolts, and electronic locks. These devices work by using keys, combinations, or electronic codes to restrict entry, ensuring safety and protection. In addition to physical security, locking devices can also be found in digital formats, such as encryption software and password managers. These tools help safeguard sensitive information by requiring specific credentials to access data, thereby preventing unauthorized use or theft.