MITRE has broken out ATT&CK broken into a few different matrices: Enterprise, Mobile, Cloud, ICS and PRE-ATT&CK. Each of these matrices contains various tactics and techniques associated with that matrix’s subject matter. The Enterprise matrix is made of techniques and tactics that apply to Windows, Linux, and/or MacOS systems. Mobile contains tactics and techniques that apply to mobile devices. PRE-ATT&CK contains tactics and techniques related to what attackers do before they try to exploit a particular target network or system.