In 2020, experts discovered 650 new hack groups, and also removed about 500 groups from their threat tracker due to duplication and overlap with previously known clusters.
Among FireEye’s 1,900 known hacker groups, there are both “government” hackers (APT) and financially motivated groups (FIN), as well as unclassified groups (UNC, when it is not enough information to place them in one of the first two categories.
Analysts [...]