An adversary may compress or encrypt data that is collected prior to exfiltration using 3rd party utilities. Many utilities exist that can archive data, including 7-Zip(Citation: 7zip Homepage), WinRAR(Citation: WinRAR Homepage), and WinZip(Citation: WinZip Homepage). Most utilities include functionality to encrypt and/or compress data. Some 3rd party utilities may be preinstalled, such as `tar` on Linux and macOS or `zip` on Windows systems.