Can AirDrop be detected?

Could you please elaborate on whether AirDrop, the wireless sharing feature on Apple devices, can indeed be detected by other individuals or systems? Is it possible to intercept the files or messages sent through AirDrop? What kind of security measures does Apple implement to ensure the privacy and security of AirDrop transmissions? Also, are there any known vulnerabilities or risks associated with using AirDrop? It would be helpful to understand the extent to which AirDrop usage can be traced or monitored, especially in scenarios where privacy is a primary concern. Thank you for addressing these inquiries.