A system for protecting personal data contained on a radio frequency identification, RFID, enabled device, the system being for use with an RFID system including an RFID reader configured to extract information from an RFID chip associated with the RFID-enabled device, the system for protecting personal data comprising: a personal data protection device configured to be selectively switchable between a first mode of operation, in which the personal data protection device is configured to detect the emission of a carrier signal by the RFID reader, and a second mode of operation, in which the personal data protection device is configured to block the carrier signal from the RFID chip associated with the RFID-enabled personal device and/or prevent a modulated signal transmitted by the RFID chip associated with the RFID-enabled personal device to be received by the RFID reader; and an electronic tagging system configured to communicate with the personal data protection device, wherein the personal data protection device, activated in the first mode, is configured to activate the second mode of the personal data protection device in response to detection of the carrier signal of the RFID reader, wherein, upon activation of the second mode of the personal data protection device, the personal data protection device is further configured to emit one or more signals configured to prevent reading of the RFID chip associated with the RFID enabled personal item, and wherein, upon the activation of the second mode of the personal data protection device, the electronic tagging system is further configured to identify one or more potential sources of the carrier signal and to electronically tag the one or more potential sources of the carrier signal. a personal data protection device configured to be selectively switchable between a first mode of operation, in which the personal data protection device is configured to detect the emission of a carrier signal by the RFID reader, and a second mode of operation, in which the personal data protection device is configured to block the carrier signal from the RFID chip associated with the RFID-enabled personal device and/or prevent a modulated signal transmitted by the RFID chip associated with the RFID-enabled personal device to be received by the RFID reader; and an electronic tagging system configured to communicate with the personal data protection device, wherein the personal data protection device, activated in the first mode, is configured to activate the second mode of the personal data protection device in response to detection of the carrier signal of the RFID reader, wherein, upon activation of the second mode of the personal data protection device, the personal data protection device is further configured to emit one or more signals configured to prevent reading of the RFID chip associated with the RFID enabled personal item, and wherein, upon the activation of the second mode of the personal data protection device, the electronic tagging system is further configured to identify one or more potential sources of the carrier signal and to electronically tag the one or more potential sources of the carrier signal.