How does the postal service maintain security in parcel delivery?

The postal service maintains security in parcel delivery primarily through the implementation of tracking systems, signature requirements, and comprehensive employee training.

Tracking systems are essential as they provide real-time updates on the location and status of parcels throughout the delivery process. This allows both the postal service and the customers to monitor the journey of a package, enhancing accountability and reducing the chances of loss or theft.

Signature requirements add an additional layer of security by ensuring that packages are only delivered to the intended recipient. This verification process helps to prevent unauthorized access to packages, safeguarding the contents from potential fraud or mishandling.

Employee training is also crucial in promoting security practices within the postal service. Properly trained employees are more vigilant and knowledgeable about security protocols, which helps in identifying potential issues before they escalate, ensuring that parcels are handled securely at all times.

The other choices, while they may contribute to security in various ways, do not encompass the comprehensive approach that the combination of tracking systems, signature requirements, and employee training offers. This multifaceted strategy is key to effectively maintaining parcel delivery security.