How do I keep my house safe from burglars?

Could you elaborate on the steps one should take to ensure their home is adequately secured from potential burglars? Are there any specific security measures, such as alarm systems, that you recommend? Additionally, what are some preventative measures that can be taken to deter intruders, such as installing outdoor lighting or keeping shrubs trimmed? Moreover, how should homeowners handle situations where they suspect someone is attempting to break into their home, and what are some emergency response procedures that should be followed?