The definition of advanced persistent threat, or APT, is evolving. IBM says APT became part of the everyday IT security lexicon after the disclosure of Operation Aurora. IBM: APT generally described a series of campaigns designed to systematically compromise systems and networks. APTs will continue to attack and will spend months if not years trying to penetrate an organization that is of interest to them until they succeed, says McAfee Labs’ Dmitri Alperovitch. The term APT is proving to be much easier than defending against them.”]
Source: https://www.inforisktoday.com/blogs/advanced-persistent-threat-definition-evolves-p-918