Encryption can be used to protect data at rest, such as files on computers and storage devices. In 2007, 71% of companies surveyed utilized encryption for some of their data in transit, and 53% for data in storage. In recent years there have been numerous reports of confidential data such as customers personal records being exposed through loss or theft of laptops or backup drives. If we never got our hands on the Enigma machine that the Germans created, who knows, World War II might have lasted longer.”]
Source: https://informationsecuritybuzz.com/articles/encryption-existed-long-computers/