: Famous for stopping the devastating WannaCry ransomware attack, though he later faced legal issues for previous activities.

Not all hackers have the same intent. They are often categorized by "hats" to denote their ethics:

: These individuals break into systems with malicious intent, such as stealing data or committing financial fraud.

The history of hacking is shaped by notable individuals and collectives:

: A global "hacktivist" collective known for its leaderless structure and its members' use of Guy Fawkes masks.