Computer security software

[2] The primary purpose of these types of systems is to restrict and often to completely prevent access to computers or data except to a very limited set of users.

[4] Threat modeling covers a wide aspect of cyberspace, including devices, applications, systems, networks, or enterprises.

Cyber threat modeling can inform organizations with their efforts pertaining to cybersecurity in the following ways:[5] The purpose of these types of systems is usually to restrict access to computers or data while still allowing interaction.

Often this involves monitoring or checking credential, separating systems from access and view based on importance, and quarantining or isolating perceived dangers.

Several instant messaging programs such as ICQ (founded by "former" members of Unit 8200), or WeChat and QQ (rumored 3PLA/4PLA connections[6][7]) may represent extensions of these observation apparati.

A physical comparison to a doctor, scrubbing, or cleaning ideas is often made, usually with an "anti-" style naming scheme related to a particular threat type.