AliExpress Uses WebAudio API and Zero-Gain Audio Graphs for Silent Device Fingerprinting

AliExpress’s homepage quietly builds hidden WebAudio processing graphs in the browser, a technique that appears to power an aggressive device-fingerprinting system while producing an unexpected real-world side effect: interfering with Bluetooth multipoint audio switching on connected headphones. Security researcher Laserphile, using multipoint Bluetooth headphones that stay simultaneously paired to a PC and a phone, noticed […] The post AliExpress Uses WebAudio API and Zero-Gain Audio Graphs for Silent Device Fingerprinting appeared first on Cyber Security News.