It is possible for an NFC tag to be placed on an individual's person or property without their knowledge, which is a privacy risk. For example, if a person places a tag in a wallet or purse, that item's location can be determined. The potential privacy risks of NFC technology have generated headlines about attackers using the technology - in particular, Apple AirTags - to track users without their knowledge.īy design, smart NFC tags enable devices to be tracked. However, there are several potential security risks. NFC provides both consumers and enterprises with easy-to-use technology that requires little, if any, manual intervention. These can be used to track the location of devices and users. NFC technology is increasingly used to enable tracking smart tags, such as Apple AirTags, Samsung Galaxy SmartTags and Tile tags. NFC is also used for identity authentication and is commonly embedded in government-issued passports. On merchant point-of-sale terminals, NFC has been supported to enable tap-to-pay - also sometimes referred to as contactless payment - from both smartphones and NFC-enabled credit cards.įor enterprise users, NFC is used in smart cards for access control to office buildings and secured doors. Among the initial use cases on consumer devices for NFC are tap-to-pay capabilities, such as Apple Pay and Google Pay. Google added support with its Android KitKat release, and Apple has been supporting NFC since at least its iOS 11 update. In consumer devices, NFC usage has grown in recent years. It can be complemented with RFID capabilities to extend the range of an NFC tag. NFC is used for close-proximity data exchange.
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