The Security+ physical security podcast emphasizes a layered defense strategy to deter, detect, delay, and respond to threats. Key components include perimeter controls like fencing to deter intruders and bollards to prevent vehicle ramming. Lighting and signage act as deterrents while enhancing video surveillance coverage.

For access control, vestibules (mantraps) hold individuals for authentication, defeating unauthorized entry methods like tailgating (slipping in behind someone) and piggybacking (knowingly letting someone tag along). Cipher locks require regularly rotated codes, while RFID badges must be protected from cloning skimmers.

Finally, the podcast covers brute-for ...