A group of cybercriminals
APT509 is a group of cybercriminals specializing in phishing, operating from cyber-bunkers where they orchestrate their malicious activities. They are led by a figure known by the codename "ALPHA", who is willing to do anything, including humiliating their victims.
Alongside Alpha, Lima, Yankee, Zulu, and Foxtrot (...), they form a determined team, ready to do whatever it takes to satisfy their thirst for success and fame.