5 Quick & Easy Crime Deterrents Neighborhood Watch These meetings can be a valuable method for sharing information and spreading the word of recurring incidents. Members are also likely to be much more aware of warnings signs that can help prevent crimes. It's also a good way to meet your neighbors. Security Systems Home monitoring devices can help alert authorities of break-ins and allow response teams to be dispatched quickly. If you cannot afford a security system, placing a security company's sign in your yard is an effective and ecomonical approach. Dogs Canines remain one of the most effective ways to prevent crime. Even smaller dogs can be great ways to scare off criminals by barking and alerting you of trouble. If you don't have a dog, simply posting a warning sign or leaving a dog bowl at your doorstep can work. Exterior Lighting Bright lighting outside the entrances will prevent most criminals from attempting to enter your home. Motion sensors along your side yards will startle any trespassers and will also alert you by grabbing your attention. Panic Button If your car has a car alarm, keep your keys handy. Triggering your car's panic button is a great way to frighten off someone who is lurking on your property or attempting a break-in.