Keep in shape. Don't be promiscuous. Insure, even with legally privileged companies. Don't depend on political protection. It is an institution that has been contrived to serve the welfare of lawyers who, in exchange for the privilege, accept the duty to protect the state against you, not you against the criminals.
Nature provides abundant evidence as to how predation from feral humanity works.
Contrary to popular opinion, such predation is not mankind's main problem. It is only the ruse that fuels the political campaign for law'n'order, politicians not yours. And if feral predation fails to produce enough victims to sustain the system at a level sufficient to suit the ambitions of lawyers and law enforcement bureaucrats, then there is always legislation to create criminals without victims. The main problem facing humanity is the mob, organized crime or institutionalized coercion, whichever term fits. Notice how such rackets quickly pass from the scene when they have to face up to competition in a free and legally-uninhibited marketplace.