The set of techniques used by attackers to achieve their goal.
The target of unauthorized actions by cybercriminals. For instance, this could be web resources, computers, servers, network equipment, mobile devices, or the IoT. People can be an attack target too, if the attackers use social engineering.
A well-organized and well-planned multistage targeted attack. APT attacks are performed by criminal groups (APT groups) consisting of highly skilled people. Because of this, APT groups have significant financial resources and technical capabilities.