What is a common weakness in physical security plans?

What is a common weakness in physical security plans?

جسمانی سلامتی کے منصوبوں میں ایک عام کمزوری کیا ہے؟
Explanation

Trained personnel are essential to identify, assess, and respond to threats; without them, even the best technology is ineffective.

Many breaches occur because guards or staff lack proper training or vigilance in enforcing protocols.