Subversive use of computer systems to promote a political/social agenda.

Government-level hacker seeking to devastate another country's national security or economy.

Emailing to acquire sensitive information (passwords) by pretending to be a trustworthy entity.

Tricking people into breaking normal security rules and procedures and/or divulging personal information.

Taking advantage of a software vulnerability on the day it is discovered, before the developers can patch it.

An undocumented portal that allows an administrator to enter the system.

A malicious file that can attach to other files and replicate when the user shares the file.

A malicious attempt to make an internet/network server unavailable to legitimate users.

A malicious program that pretends to be benign/normal.

An expert hacker who uses abilities for good, ethical, legal purposes.

A hacker who violates computer security for personal gain.

A hacker who uses their access to harm their employer.

Malware used to take over and link a large number of computers in order to execute a DDOS attack.