This specific encrypted file was the for the first batch of documents, titled "Year Zero." It was released as a password-protected insurance file weeks before the actual decryption key was made public. The Full Story: The Vault 7 Leak
: On March 7, 2017, WikiLeaks officially launched "Year Zero" and provided the password to unlock the archive. It contained 8,761 documents and files stolen from an isolated, high-security network within the CIA's Center for Cyber Intelligence. 2017-02-10.7z
: Tools like "Brutal Kangaroo" designed to infect closed networks via USB thumb drives. Key Details of the Archive This specific encrypted file was the for the
: Starting in early February 2017, WikiLeaks began posting cryptic tweets and clues about a forthcoming series titled "Vault 7." As part of their standard procedure, they released the encrypted 7z archive 2017-02-10.7z to the public as a "dead man's switch" or insurance policy. : Tools like "Brutal Kangaroo" designed to infect
These documents demonstrate that the CIA makes use of publicly disclosed vulnerabilities in their exploits; instead of 'zero days' - Center for Democracy and Technology
: The .7z extension indicates it was compressed using the 7-Zip utility, which supports high-level AES encryption.