NFC security tags are compact and secure near-field communication devices designed to enhance authentication and protect against unauthorized access or tampering. They use NFC technology to store and transmit data wirelessly over short distances, enabling quick verification with compatible smartphones or readers without direct contact. These tags are ideal for applications such as anti-counterfeiting, access control, and secure product authentication in sensitive environments. Due to their strong security features, ease of integration, and reliable performance, NFC security tags are widely used in retail protection, brand verification, and asset security systems.