USB condom

(名詞) USB 保險套 - 一種修改後的 USB 轉接頭,可在行動裝置的 USB 電源線插入公共充電站時防止資料被盜或被安裝惡意程式。

It will be a pivotal part of a display, called Ways to be Secret, of hi-tech devices that raise questions about our privacy. It will include a selfie stick, a USB condom, a Fitbit Surge and a Cyborg Unplug, described as an “anti-wireless surveillance system for the home and workplace”.
—Mark Brown, “Guardian’s destroyed Snowden laptop to feature in major V&A show,” The Guardian (London), February 27, 2015

USB ports are ubiquitous on our electronic devices as a way to charge them and transfer data. But they’re also an easy entry point for malware or other nasty viruses. Enter the USB condom. These prophylactics for your digital devices are plugged to the end of a USB cable, and allow electricity to flow through while preventing data from being transferred or accessed.
—Joon Ian Wong, “People are buying ‘USB condoms’ to prevent their devices from catching nasty viruses,” Quartz, November 7, 2016