It’s true that security signs can deter intrusions in New York City
Many studies confirm that security signs work when attempting to deter an intrusion. The reasoning is that the burglar will notice the sign and quickly determine that your home is way too risky. Ultimately, why worry about security cameras and motion detectors when a thief can pivot to a more vulnerable mark somewhere else?
With that being said, the same research indicates that signage ranks fairly low as a burglary deterrent. A smartly positioned sign mainly discourages novices, but seasoned criminals may want to see the extent of security that is truly shielding your house prior to looking the other way. Other components, like cameras, have greater success at thwarting prospective invaders.