Explanation
An Advanced Persistent Threat (APT) is a prolonged, aimed attack on a specific target with the intention to
compromise their system and gain information from or about that target.
The target can be a person, an organization or a business.
Source:
https://blog.malwarebytes.com/cybercrime/malware/2016/07/explained-advanced-persistent-threat-apt/ One
new malware threat has emerged as a definite concern, namely, targeted malware. Instead of blanketing the
Internet with a worm, targeted attacks concentrate on a single high-value target.
Source:
http://crissp.poly.edu/wissp08/panel_malware.htm