two-factor authentication 雙重認證

two-factor authentication
繁：雙重認證
简：双重认证

儲值支付工具漏洞接二連三，早前有儲值支付工具被發現在直接付款授權（DDA）時出現重大漏洞，令用戶銀行戶口資金被提走，其後用戶使用該功能時須強制雙重認證後才可開通。

PayMe電郵失陷 滙豐20用戶損10萬 專家：疑國泰洩密後遺（2018年11月9日）。蘋果日報，取自 https://hk.news.appledaily.com/local/daily/article/20181109/20542173

Cybersecurity experts have called on the bank to introduce two-factor authentication, which requires users to provide an additional piece of information besides a password.

HSBC e-payment app PayMe under fire over ‘way too easy’ user ID verification after unauthorised transactions. (2018, November 9). South China Morning Post. Retrieved from https://www.scmp.com/news/hong-kong/law-and-crime/article/2172544/hsbc-e-payment-app-payme-under-fire-over-way-too-easy