Hacker groupG0020

Equation

Equation is a sophisticated threat group that employs multiple remote access tools. The group is known to use zero-day exploits and has developed the capability to overwrite the firmware of hard disk drives.

Known attack methods
4
Source
MITRE ATT&CK

How they break in

Techniques MITRE has documented this group using, mapped onto the ATT&CK matrix. Each one is a behaviour you can look for in your own logs, and a control you can test.