In a passport scams, criminals attempt to exploit vulnerabilities in RFID technology to clone or tamper with passports for fraudulent purposes. This could involve intercepting the RFID signal to steal personal information or creating counterfeit passports with falsified RFID data. Such scams pose risks to national security and personal privacy, and governments often implement security measures to mitigate these threats, such as encryption and authentication protocols for RFID-enabled passports.