Backstory allows users to upload any data from their own network to the cloud. The service is designed to detect potential threats and is free of charge. It will not be available for purchase, but it will be free to download the data. Backstory is based on a combination of data from various sources to detect threats and identify potential threats in real-world data. The system is free and easy to download and upload data from the cloud, not just for downloading and uploading. Backstalk is a free service that can be used by anyone who wants to make it easier to download.
Source: https://www.bleepingcomputer.com/news/security/alphabets-backstory-helps-enterprises-hunt-down-security-threats/